remove extraneous svn:executable properties

git-svn-id: https://origsvn.digium.com/svn/libpri/tags/0.3.0@266 2fbb986a-6c06-0410-b554-c9c1f0a7f128
automatic tag renames
2005-11-29 18:39:18 +00:00 · 2005-11-27 04:17:23 +00:00 · 2002-03-22 17:17:47 +00:00 · 2002-03-22 17:17:47 +00:00 · 2002-03-18 14:04:47 +00:00 · 2002-03-18 13:59:09 +00:00
12 changed files with 1060 additions and 150 deletions
--- a/9
+++ b/9
@@ -1,3 +1,12 @@
+libpri 0.3.0
+-- Fix talking to switch
+-- Add pri dump
+-- Add test application
+-- Fix strncpy stuff
+libpri 0.1.2
+-- Added PRI_EVENT_HANGUP_ACK so you can know when the disconnect was
+acknowledged
+
 libpri 0.1.1
 -- Added PRI_DEBUG_Q931_ANOMALY flag so that certain non-error-related
 messages would not be output unless specifically desired.
--- a/7
+++ b/7
@@ -38,6 +38,12 @@ install: $(STATIC_LIBRARY) $(DYNAMIC_LIBRARY)
 	install -m 644 $(STATIC_LIBRARY) /usr/lib
 	/sbin/ldconfig

+pritest: pritest.o
+	$(CC) -o pritest pritest.o -L. -lpri -lzap
+
+pridump: pridump.o
+	$(CC) -o pridump pridump.o -L. -lpri -lzap
+
 %.lo : %.c
 	$(CC) -fPIC $(CFLAGS) -o $@ -c $<

@@ -53,3 +59,4 @@ $(DYNAMIC_LIBRARY): $(DYNAMIC_OBJS)
 clean:
 	rm -f *.o *.so *.lo 
 	rm -f testpri $(STATIC_LIBRARY) $(DYNAMIC_LIBRARY)
+	rm -f pritest pridump
--- a/libpri.h
+++ b/libpri.h
@@ -22,8 +22,8 @@
 *
 */
 
-#ifndef _PRI_H
-#define _PRI_H
+#ifndef _LIBPRI_H
+#define _LIBPRI_H

 /* Node types */
 #define PRI_NETWORK		1
@@ -50,19 +50,47 @@
 #define PRI_SWITCH_EUROISDN_T1	6	/* T1 EuroISDN variant (ETSI 300-102) */

 /* PRI D-Channel Events */
-#define PRI_EVENT_DCHAN_UP	 1	/* D-channel is up */
-#define PRI_EVENT_DCHAN_DOWN 2	/* D-channel is down */
-#define PRI_EVENT_RESTART	 3	/* B-channel is restarted */
-#define PRI_EVENT_CONFIG_ERR 4  /* Configuration Error Detected */
-#define PRI_EVENT_RING		 5  /* Incoming call */
-#define PRI_EVENT_HANGUP	 6	/* Call got hung up */
-#define PRI_EVENT_RINGING	 7	/* Call is ringing (alerting) */
-#define PRI_EVENT_ANSWER	 8  /* Call has been answered */
+#define PRI_EVENT_DCHAN_UP	 	1	/* D-channel is up */
+#define PRI_EVENT_DCHAN_DOWN 	2	/* D-channel is down */
+#define PRI_EVENT_RESTART	 	3	/* B-channel is restarted */
+#define PRI_EVENT_CONFIG_ERR 	4	/* Configuration Error Detected */
+#define PRI_EVENT_RING		 	5	/* Incoming call */
+#define PRI_EVENT_HANGUP	 	6	/* Call got hung up */
+#define PRI_EVENT_RINGING	 	7	/* Call is ringing (alerting) */
+#define PRI_EVENT_ANSWER	 	8	/* Call has been answered */
+#define PRI_EVENT_HANGUP_ACK	9	/* Call hangup has been acknowledged */

 /* Simple states */
 #define PRI_STATE_DOWN		0
 #define PRI_STATE_UP		1

+/* Numbering plan identifier */
+#define PRI_NPI_UNKNOWN					0x0
+#define PRI_NPI_E163_E164				0x1
+#define PRI_NPI_X121					0x3
+#define PRI_NPI_F69						0x4
+#define PRI_NPI_NATIONAL				0x8
+#define PRI_NPI_PRIVATE					0x9
+#define PRI_NPI_RESERVED				0xF
+
+/* Type of number */
+#define PRI_TON_UNKNOWN					0x0
+#define PRI_TON_INTERNATIONAL			0x1
+#define PRI_TON_NATIONAL				0x2
+#define PRI_TON_NET_SPECIFIC			0x3
+#define PRI_TON_SUBSCRIBER				0x4
+#define PRI_TON_ABBREVIATED				0x6
+#define PRI_TON_RESERVED				0x7
+
+/* Redirection reasons */
+#define PRI_REDIR_UNKNOWN				0x0
+#define PRI_REDIR_FORWARD_ON_BUSY		0x1
+#define PRI_REDIR_FORWARD_ON_NO_REPLY	0x2
+#define PRI_REDIR_DEFLECTION			0x3
+#define PRI_REDIR_DTE_OUT_OF_ORDER		0x9
+#define PRI_REDIR_FORWARDED_BY_DTE		0xA
+#define PRI_REDIR_UNCONDITIONAL			0xF
+
 /* Dialing plan */
 #define PRI_INTERNATIONAL_ISDN		0x11
 #define PRI_NATIONAL_ISDN			0x21
@@ -118,12 +146,12 @@
 #define PRI_CAUSE_INVALID_MSG_UNSPECIFIED  		95
 #define PRI_CAUSE_MANDATORY_IE_MISSING			96
 #define PRI_CAUSE_MESSAGE_TYPE_NONEXIST			97
-#define PRI_CAUSE_WRONG_MESSAGE            		98
+#define PRI_CAUSE_WRONG_MESSAGE					98
 #define PRI_CAUSE_IE_NONEXIST					99
 #define PRI_CAUSE_INVALID_IE_CONTENTS			100
 #define PRI_CAUSE_WRONG_CALL_STATE				101
 #define PRI_CAUSE_RECOVERY_ON_TIMER_EXPIRE		102
-#define PRI_CAUSE_MANDATORY_IE_LENGTH_ERROR   	103
+#define PRI_CAUSE_MANDATORY_IE_LENGTH_ERROR		103
 #define PRI_CAUSE_PROTOCOL_ERROR				111
 #define PRI_CAUSE_INTERWORKING					127

@@ -135,6 +163,16 @@
 #define PRI_TRANS_CAP_7K_AUDIO					0x11
 #define PRI_TRANS_CAP_VIDEO						0x18

+#define PRI_LAYER_1_ITU_RATE_ADAPT	0x21
+#define PRI_LAYER_1_ULAW			0x22
+#define PRI_LAYER_1_ALAW			0x23
+#define PRI_LAYER_1_G721			0x24
+#define PRI_LAYER_1_G722_G725		0x25
+#define PRI_LAYER_1_G7XX_384K		0x26
+#define PRI_LAYER_1_NON_ITU_ADAPT	0x27
+#define PRI_LAYER_1_V120_RATE_ADAPT	0x28
+#define PRI_LAYER_1_X31_RATE_ADAPT	0x29
+
 typedef struct q931_call q931_call;

 typedef struct pri_event_generic {
@@ -177,6 +215,7 @@ typedef struct pri_event_ring {
 	int flexible;				/* Are we flexible with our channel selection? */
 	int cref;					/* Call Reference Number */
 	int ctype;					/* Call type (see PRI_TRANS_CAP_* */
+	int layer1;				/* User layer 1 */
 	q931_call *call;			/* Opaque call pointer */
 } pri_event_ring;

@@ -264,9 +303,9 @@ extern q931_call *pri_new_call(struct pri *pri);
 extern struct timeval *pri_schedule_next(struct pri *pri);

 /* Run any pending schedule events */
-extern int pri_schedule_run(struct pri *pri);
+extern pri_event *pri_schedule_run(struct pri *pri);

 extern int pri_call(struct pri *pri, q931_call *c, int transmode, int channel,
   int exclusive, int nonisdn, char *caller, int callerplan, int callerpres,
-	 char *called,int calledplan);
+	 char *called,int calledplan, int ulayer1);
 #endif
--- a/pri.c
+++ b/pri.c
@@ -105,13 +105,26 @@ pri_event *pri_check_event(struct pri *pri)

 static int wait_pri(struct pri *pri)
 {	
-	struct timeval *tv;
+	struct timeval *tv, real;
 	fd_set fds;
 	int res;
 	FD_ZERO(&fds);
 	FD_SET(pri->fd, &fds);
 	tv = pri_schedule_next(pri);
-	res = select(pri->fd + 1, &fds, NULL, NULL, tv);
+	if (tv) {
+		gettimeofday(&real, NULL);
+		real.tv_sec = tv->tv_sec - real.tv_sec;
+		real.tv_usec = tv->tv_usec - real.tv_usec;
+		if (real.tv_usec < 0) {
+			real.tv_usec += 1000000;
+			real.tv_sec -= 1;
+		}
+		if (real.tv_sec < 0) {
+			real.tv_sec = 0;
+			real.tv_usec = 0;
+		}
+	}
+	res = select(pri->fd + 1, &fds, NULL, NULL, tv ? &real : tv);
 	if (res < 0) 
 		return -1;
 	return res;
@@ -121,7 +134,7 @@ pri_event *pri_mkerror(struct pri *pri, char *errstr)
 {
 	/* Return a configuration error */
 	pri->ev.err.e = PRI_EVENT_CONFIG_ERR;
-	strncpy(pri->ev.err.err, errstr, sizeof(pri->ev.err.err));
+	strncpy(pri->ev.err.err, errstr, sizeof(pri->ev.err.err) - 1);
 	return &pri->ev;
 }

@@ -140,7 +153,7 @@ pri_event *pri_dchannel_run(struct pri *pri, int block)
 			if (res < 0)
 				return NULL;
 			if (!res)
-				pri_schedule_run(pri);
+				e = pri_schedule_run(pri);
 			else
 				e = pri_check_event(pri);
 		} while(!e);
@@ -222,9 +235,9 @@ void pri_dump_event(struct pri *pri, pri_event *e)

 int pri_call(struct pri *pri, q931_call *c, int transmode, int channel, int exclusive, 
 					int nonisdn, char *caller, int callerplan, int callerpres, char *called,
-					int calledplan)
+					int calledplan,int ulayer1)
 {
 	if (!pri || !c)
 		return -1;
-	return q931_setup(pri, c, transmode, channel, exclusive, nonisdn, caller, callerplan, callerpres, called, calledplan);					
+	return q931_setup(pri, c, transmode, channel, exclusive, nonisdn, caller, callerplan, callerpres, called, calledplan, ulayer1);					
 }	
--- a/pri_internal.h
+++ b/pri_internal.h
@@ -70,6 +70,7 @@ struct pri {
 	
 	/* Used by scheduler */
 	struct timeval tv;
+	int schedev;
 	pri_event ev;		/* Static event thingy */
 	
 	/* Q.921 Re-transmission queue */
@@ -81,7 +82,7 @@ struct pri {

 extern int pri_schedule_event(struct pri *pri, int ms, void (*function)(void *data), void *data);

-extern int pri_schedule_run(struct pri *pri);
+extern pri_event *pri_schedule_run(struct pri *pri);

 extern void pri_schedule_del(struct pri *pri, int ev);

--- a/pri_q921.h
+++ b/pri_q921.h
@@ -34,6 +34,7 @@
 #define T_WAIT_MAX	10000
 #define T_200		1000		/* 1 second between SABME's */
 #define T_203		10000		/* 10 seconds with no packets max */
+#define N_200		3		/* 3 retries */

 #define Q921_FRAMETYPE_MASK	0x3

--- a/pri_q931.h
+++ b/pri_q931.h
@@ -214,6 +214,9 @@ typedef struct q931_ie {
 #define Q931_IE_USER_USER				0x7E
 #define Q931_IE_ESCAPE_FOR_EXT			0x7F

+/* EuroISDN  */
+#define Q931_SENDING_COMPLETE		0x21
+
 extern int q931_receive(struct pri *pri, q931_h *h, int len);

 extern int q931_alerting(struct pri *pri, q931_call *call, int channel, int info);
@@ -230,6 +233,6 @@ extern q931_call *q931_new_call(struct pri *pri);

 extern int q931_setup(struct pri *pri, q931_call *c, int transmode, int channel, int exclusive, 
 					int nonisdn, char *caller, int callerplan, int callerpres, char *called,
-					int calledplan);
-
+					int calledplan, int ulay1);
+extern void q931_dump(q931_h *h, int len, int txrx);
 #endif
--- a/pridump.c
+++ b/pridump.c
@@ -0,0 +1,130 @@
+/*
+ * libpri: An implementation of Primary Rate ISDN
+ *
+ * Written by Mark Spencer <markster@linux-support.net>
+ *
+ * Copyright (C) 2001, Linux Support Services, Inc.
+ * All Rights Reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 
+ *
+ */
+
+/*
+ * This program tests libpri call reception using a zaptel interface.
+ * Its state machines are setup for RECEIVING CALLS ONLY, so if you
+ * are trying to both place and receive calls you have to a bit more.
+ */
+
+#include <stdio.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <string.h>
+#include <sys/ioctl.h>
+#include <sys/select.h>
+#include <linux/zaptel.h>
+#include "libpri.h"
+#include "pri_q921.h"
+#include "pri_q931.h"
+
+static int pri_open(char *dev)
+{
+	int dfd;
+	struct zt_params p;
+	
+	dfd = open(dev, O_RDWR);
+	if (dfd < 0) {
+		fprintf(stderr, "Failed to open dchannel '%s': %s\n", dev, strerror(errno));
+		return -1;
+	}
+	if (ioctl(dfd, ZT_GET_PARAMS, &p)) {
+		fprintf(stderr, "Unable to get parameters on '%s': %s\n", dev, strerror(errno));
+		return -1;
+	}
+	if ((p.sigtype != ZT_SIG_HDLCRAW) && (p.sigtype != ZT_SIG_HDLCFCS)) {
+		fprintf(stderr, "%s is in %d signalling, not FCS HDLC or RAW HDLC mode\n", dev, p.sigtype);
+		return -1;
+	}
+	return dfd;
+}
+
+static void dump_packet(char *buf, int len, int txrx)
+{
+	q921_h *h = (q921_h *)buf;
+	q921_dump(h, len, 1, txrx);
+	if (!((h->h.data[0] & Q921_FRAMETYPE_MASK) & 0x3)) {
+		q931_dump((q931_h *)(h->i.data), len - 4, txrx);
+	}
+	fflush(stdout);
+	fflush(stderr);
+}
+
+
+static int pri_bridge(int d1, int d2)
+{
+	char buf[1024];
+	fd_set fds;
+	int max;
+	int e;
+	int res;
+	for(;;) {
+		FD_ZERO(&fds);
+		FD_SET(d1, &fds);
+		FD_SET(d2, &fds);
+		max = d1;
+		if (max < d2)
+			max = d2;
+		ioctl(d1, ZT_GETEVENT, &e);
+		ioctl(d2, ZT_GETEVENT, &e);
+		res = select(max + 1, &fds, NULL, NULL, NULL);
+		if (res < 0) {
+			fprintf(stderr, "Select returned %d: %s\n", res, strerror(errno));
+			continue;
+		};
+		if (FD_ISSET(d1, &fds)) {
+			/* Copy from d1 to d2 */
+			res = read(d1, buf, sizeof(buf));
+			dump_packet(buf, res, 1);
+			res = write(d2, buf, res);
+		}
+		if (FD_ISSET(d2, &fds)) {
+			/* Copy from d2 to d1 */
+			res = read(d2, buf, sizeof(buf));
+			dump_packet(buf, res, 0);
+			res = write(d1, buf, res);
+		}
+	}
+}
+
+int main(int argc, char *argv[])
+{
+	int d1, d2;
+	
+	if (argc < 3) {
+		fprintf(stderr, "Usage: pridump <dev1> <dev2>\n");
+		exit(1);
+	}
+	
+	d1 = pri_open(argv[1]);
+	if (d1 < 0)
+		exit(1);
+	d2 = pri_open(argv[2]);
+	if (d2 < 0)
+		exit(1);
+	pri_bridge(d1, d2);
+	return 0;
+}
--- a/prisched.c
+++ b/prisched.c
@@ -46,8 +46,10 @@ int pri_schedule_event(struct pri *pri, int ms, void (*function)(void *data), vo
 	gettimeofday(&tv, NULL);
 	tv.tv_sec += ms / 1000;
 	tv.tv_usec += (ms % 1000) * 1000;
-	if (tv.tv_usec > 1000000)
+	if (tv.tv_usec > 1000000) {
 		tv.tv_usec -= 1000000;
+		tv.tv_sec += 1;
+	}
 	pri->pri_sched[x].when = tv;
 	pri->pri_sched[x].callback = function;
 	pri->pri_sched[x].data = data;
@@ -68,11 +70,10 @@ struct timeval *pri_schedule_next(struct pri *pri)
 	return closest;
 }

-int pri_schedule_run(struct pri *pri)
+pri_event *pri_schedule_run(struct pri *pri)
 {
 	struct timeval tv;
 	int x;
-	int p = 0;
 	void (*callback)(void *);
 	void *data;
 	gettimeofday(&tv, NULL);
@@ -81,15 +82,17 @@ int pri_schedule_run(struct pri *pri)
 			((pri->pri_sched[x].when.tv_sec < tv.tv_sec) ||
 			 ((pri->pri_sched[x].when.tv_sec == tv.tv_sec) &&
 			  (pri->pri_sched[x].when.tv_usec <= tv.tv_usec)))) {
-			  	p++;
+            pri->schedev = 0;
 			  	callback = pri->pri_sched[x].callback;
 				data = pri->pri_sched[x].data;
 				pri->pri_sched[x].callback = NULL;
 				pri->pri_sched[x].data = NULL;
 				callback(data);
+            if (pri->schedev)
+                  return &pri->ev;
 		}
 	}
-	return p;
+	return NULL;
 }

 void pri_schedule_del(struct pri *pri,int id)
--- a/pritest.c
+++ b/pritest.c
@@ -0,0 +1,346 @@
+/*
+ * libpri: An implementation of Primary Rate ISDN
+ *
+ * Written by Mark Spencer <markster@linux-support.net>
+ *
+ * Copyright (C) 2001, Linux Support Services, Inc.
+ * All Rights Reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 
+ *
+ */
+
+/*
+ * This program tests libpri call reception using a zaptel interface.
+ * Its state machines are setup for RECEIVING CALLS ONLY, so if you
+ * are trying to both place and receive calls you have to a bit more.
+ */
+
+#include <fcntl.h>
+#include <stdio.h>
+#include <string.h>
+#include <errno.h>
+#include <sys/ioctl.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <sys/signal.h>
+#include <sys/select.h>
+#include <sys/wait.h>
+#include <sys/resource.h>
+#include <sys/time.h>
+#include <linux/zaptel.h>
+#include <zap.h>
+#include "libpri.h"
+
+#define PRI_DEF_NODETYPE	PRI_CPE
+#define PRI_DEF_SWITCHTYPE	PRI_SWITCH_NI2
+
+#define MAX_CHAN		32
+
+static int offset = 0;
+
+static void do_channel(ZAP *z)
+{
+	/* This is the part that runs on a given channel */
+	zap_playf(z, "raw.ulaw", 0);
+}
+
+struct pri_chan {
+	pid_t pid;
+	int needhangup;
+	int alreadyhungup;
+	q931_call *call;
+} chans[MAX_CHAN];
+
+static int str2node(char *node)
+{
+	if (!strcasecmp(node, "cpe"))
+		return PRI_CPE;
+	if (!strcasecmp(node, "network"))
+		return PRI_NETWORK;
+	return -1;
+}
+
+static void chan_ended(int sig)
+{
+	int status;
+	int x;
+	struct rusage rusage;
+	pid_t pid;
+	pid = wait4(-1, &status, WNOHANG, &rusage);
+
+	for (x=0;x<MAX_CHAN;x++) {
+		if (pid == chans[x].pid) {
+			printf("-- PID %d ended, channel %d\n", pid, x);
+			chans[x].pid = 0;
+			if (!chans[x].alreadyhungup) {
+				/* It died, we need to hangup now */
+				chans[x].needhangup = 1;
+			} else {
+				/* We've already been hungup, just clear it */
+				chans[x].alreadyhungup = 0;
+				chans[x].call = NULL;
+			}
+			return;
+		}
+	}
+
+	if (pid > -1) {
+		fprintf(stderr, "--!! Unknown PID %d exited\n", pid);
+		return;
+	}
+}
+static int str2switch(char *swtype)
+{
+	if (!strcasecmp(swtype, "ni2"))
+		return PRI_SWITCH_NI2;
+	if (!strcasecmp(swtype, "dms100"))
+		return PRI_SWITCH_DMS100;
+	if (!strcasecmp(swtype, "lucent5e"))
+		return PRI_SWITCH_LUCENT5E;
+	if (!strcasecmp(swtype, "att4ess"))
+		return PRI_SWITCH_ATT4ESS;
+	if (!strcasecmp(swtype, "euroisdn"))
+		return PRI_SWITCH_EUROISDN_E1;
+	return -1;
+}
+
+static void hangup_channel(int channo)
+{
+	if (chans[channo].pid) {
+
+#if 0
+		printf("Killing channel %d (pid = %d)\n", channo, chans[channo].pid);
+#endif
+		chans[channo].alreadyhungup = 1;
+		kill(chans[channo].pid, SIGTERM);
+	} else if (chans[channo].needhangup)
+		chans[channo].needhangup = 0;
+}
+
+static void launch_channel(int channo)
+{
+	pid_t pid;
+	ZAP *z;
+	char ch[80];
+
+	/* Make sure hangup state is reset */
+	chans[channo].needhangup = 0;
+	chans[channo].alreadyhungup = 0;
+
+	pid = fork();
+	if (pid < 0) {
+		fprintf(stderr, "--!! Unable to fork\n");
+		chans[channo].needhangup = 1;
+	}
+	if (pid) {
+		printf("-- Launching process %d to handle channel %d\n", pid, channo);
+		chans[channo].pid = pid;
+	} else {
+		sprintf(ch, "%d", channo + offset);
+		z = zap_open(ch, 0);
+		if (z) {
+			do_channel(z);
+			exit(0);
+		} else {
+			fprintf(stderr, "--!! Unable to open channel %d\n", channo);
+			exit(1);
+		}
+	}
+	
+}
+
+static void start_channel(struct pri *pri, pri_event *e)
+{
+	int channo = e->ring.channel;
+
+	/* Make sure it's a valid number */
+	if ((channo >= MAX_CHAN) || (channo < 0)) { 
+		fprintf(stderr, "--!! Channel %d is out of range\n", channo);
+		return;
+	}
+
+	/* Make sure nothing is there */
+	if (chans[channo].pid) {
+		fprintf(stderr, "--!! Channel %d still has a call on it, ending it...\n", channo);
+		hangup_channel(channo);
+		/* Wait for it to die */
+		while(chans[channo].pid)
+			usleep(100);
+	}
+
+	/* Record call number */
+	chans[channo].call = e->ring.call;
+
+	/* Answer the line */
+	pri_answer(pri, chans[channo].call, channo, 1);
+
+	/* Launch a process to handle it */
+	launch_channel(channo);
+
+}
+
+static void handle_pri_event(struct pri *pri, pri_event *e)
+{
+	switch(e->e) {
+	case PRI_EVENT_DCHAN_UP:
+		printf("-- D-Channel is now up!  :-)\n");
+		break;
+	case PRI_EVENT_DCHAN_DOWN:
+		printf("-- D-Channel is now down! :-(\n");
+		break;
+	case PRI_EVENT_RESTART:
+		printf("-- Restarting channel %d\n", e->restart.channel);
+		hangup_channel(e->restart.channel);
+		break;
+	case PRI_EVENT_CONFIG_ERR:
+		printf("-- Configuration error detected: %s\n", e->err.err);
+		break;
+	case PRI_EVENT_RING:
+		printf("-- Ring on channel %d (from %s to %s), answering...\n", e->ring.channel, e->ring.callingnum, e->ring.callednum);
+		start_channel(pri, e);
+		break;
+	case PRI_EVENT_HANGUP:
+		printf("-- Hanging up channel %d\n", e->hangup.channel);
+		hangup_channel(e->hangup.channel);
+		break;
+	case PRI_EVENT_RINGING:
+	case PRI_EVENT_ANSWER:
+		fprintf(stderr, "--!! What?  We shouldn't be making any calls...\n");
+		break;
+	case PRI_EVENT_HANGUP_ACK:
+		/* Ignore */
+		break;
+	default:
+		fprintf(stderr, "--!! Unknown PRI event %d\n", e->e);
+	}
+}
+
+static int run_pri(int dfd, int swtype, int node)
+{
+	struct pri *pri;
+	pri_event *e;
+	struct timeval tv = {0,0}, *next;
+	fd_set rfds, efds;
+	int res,x;
+
+	pri = pri_new(dfd, node, swtype);
+	if (!pri) {
+		fprintf(stderr, "Unable to create PRI\n");
+		return -1;
+	}
+	for (;;) {
+		
+		/* Run the D-Channel */
+		FD_ZERO(&rfds);
+		FD_ZERO(&efds);
+		FD_SET(dfd, &rfds);
+		FD_SET(dfd, &efds);
+
+		if ((next = pri_schedule_next(pri))) {
+			gettimeofday(&tv, NULL);
+			tv.tv_sec = next->tv_sec - tv.tv_sec;
+			tv.tv_usec = next->tv_usec - tv.tv_usec;
+			if (tv.tv_usec < 0) {
+				tv.tv_usec += 1000000;
+				tv.tv_sec -= 1;
+			}
+			if (tv.tv_sec < 0) {
+				tv.tv_sec = 0;
+				tv.tv_usec = 0;
+			}
+		}
+		res = select(dfd + 1, &rfds, NULL, &efds, next ? &tv : NULL);
+		e = NULL;
+
+		if (!res) {
+			e = pri_schedule_run(pri);
+		} else if (res > 0) {
+			e = pri_check_event(pri);
+		} else if (errno == ELAST) {
+			res = ioctl(dfd, ZT_GETEVENT, &x);
+			printf("Got Zaptel event: %d\n", x);
+		} else if (errno != EINTR) 
+			fprintf(stderr, "Error (%d) on select: %s\n", ELAST, strerror(errno));
+
+		if (e) {
+			handle_pri_event(pri, e);
+		}
+
+		res = ioctl(dfd, ZT_GETEVENT, &x);
+
+		if (!res && x) {
+			fprintf(stderr, "Got event on PRI interface: %d\n", x);
+		}
+
+		/* Check for lines that need hangups */
+		for (x=0;x<MAX_CHAN;x++)
+			if (chans[x].needhangup) {
+				chans[x].needhangup = 0;
+				pri_release(pri, chans[x].call, PRI_CAUSE_NORMAL_CLEARING);
+			}
+
+	}
+	return 0;
+}
+
+int main(int argc, char *argv[]) 
+{
+	int dfd;
+	int swtype = PRI_DEF_SWITCHTYPE;
+	int node = PRI_DEF_NODETYPE;
+	struct zt_params p;
+	if (argc < 2) {
+		fprintf(stderr, "Usage: pritest <dchannel> [swtypetype] [nodetype]\n");
+		exit(1);
+	}
+	dfd = open(argv[1], O_RDWR);
+	if (dfd < 0) {
+		fprintf(stderr, "Failed to open dchannel '%s': %s\n", argv[1], strerror(errno));
+		exit(1);
+	}
+	if (ioctl(dfd, ZT_GET_PARAMS, &p)) {
+		fprintf(stderr, "Unable to get parameters on '%s': %s\n", argv[1], strerror(errno));
+		exit(1);
+	}
+	if ((p.sigtype != ZT_SIG_HDLCRAW) && (p.sigtype != ZT_SIG_HDLCFCS)) {
+		fprintf(stderr, "%s is in %d signalling, not FCS HDLC or RAW HDLC mode\n", argv[1], p.sigtype);
+		exit(1);
+	}
+
+	if (argc > 2) {
+		swtype = str2switch(argv[2]);
+		if (swtype < 0) {
+			fprintf(stderr, "Valid switchtypes are: ni2, dms100, lucent5e, att4ess, and euroisdn\n");	
+			exit(1);
+		}
+	}
+
+	if (argc > 3) {
+		node = str2node(argv[3]);
+		if (node < 0) {
+			fprintf(stderr, "Valid node types are: network and cpe\n");	
+			exit(1);
+		}
+	}
+
+	signal(SIGCHLD, chan_ended);
+
+	if (run_pri(dfd, swtype, node))
+		exit(1);
+	exit(0);
+
+	return 0;
+}
--- a/q921.c
+++ b/q921.c
@@ -32,6 +32,15 @@
 #include "pri_q921.h" 
 #include "pri_q931.h"

+/*
+ * Define RANDOM_DROPS To randomly drop packets in order to simulate loss for testing
+ * retransmission functionality
+ */
+
+/*
+#define RANDOM_DROPS
+*/
+
 #define Q921_INIT(hf) do { \
 	(hf).h.sapi = 0; \
 	(hf).h.ea1 = 0; \
@@ -54,6 +63,13 @@ static void q921_discard_retransmissions(struct pri *pri)

 static int q921_transmit(struct pri *pri, q921_h *h, int len) {
 	int res;
+#ifdef RANDOM_DROPS
+   if (!(random() % 3)) {
+         printf(" === Dropping Packet ===\n");
+         return 0;
+   }
+#endif   
+      
 	/* Just send it raw */
 	if (pri->debug & PRI_DEBUG_Q921_DUMP)
 		q921_dump(h, len, pri->debug & PRI_DEBUG_Q921_RAW, 1);
@@ -66,7 +82,6 @@ static int q921_transmit(struct pri *pri, q921_h *h, int len) {
 	return 0;
 }

-
 static void q921_send_ua(struct pri *pri, int pfbit)
 {
 	q921_h h;
@@ -99,8 +114,8 @@ static void q921_send_sabme(void *vpri)
 	pri->sabme_timer = 0;
 	pri->sabme_timer = pri_schedule_event(pri, T_200, q921_send_sabme, pri);
 	Q921_INIT(h);
-	h.u.m3 = 3;		/* M3 = 3 */
-	h.u.m2 = 3;		/* M2 = 3 */
+	h.u.m3 = 3;	/* M3 = 3 */
+	h.u.m2 = 3;	/* M2 = 3 */
 	h.u.p_f = 1;	/* Poll bit set */
 	h.u.ft = Q921_FRAMETYPE_U;
 	switch(pri->localtype) {
@@ -118,7 +133,6 @@ static void q921_send_sabme(void *vpri)
 		printf("Sending Set Asynchronous Balanced Mode Extended\n");
 	q921_transmit(pri, &h, 3);
 	pri->q921_state = Q921_AWAITING_ESTABLISH;
-		
 }

 static int q921_ack_packet(struct pri *pri, int num)
@@ -159,9 +173,9 @@ static void q921_ack_rx(struct pri *pri, int ack)
 	/* Cancel each packet as necessary */
 	for (x=pri->v_a; x != ack; Q921_INC(x)) 
 		cnt += q921_ack_packet(pri, x);	
-	if (cnt) {
+	if (!pri->txqueue) {
 		if (pri->debug &  PRI_DEBUG_Q921_STATE)
-			printf("-- Since there was something acked, stopping T200 counter\n");
+			printf("-- Since there was nothing left, stopping T200 counter\n");
 		/* Something was ACK'd.  Stop T200 counter */
 		pri_schedule_del(pri, pri->t200_timer);
 		pri->t200_timer = 0;
@@ -186,6 +200,31 @@ static void q921_ack_rx(struct pri *pri, int ack)
 	}
 }

+static void q921_reject(struct pri *pri)
+{
+	q921_h h;
+	Q921_INIT(h);
+	h.s.x0 = 0;	/* Always 0 */
+	h.s.ss = 2;	/* Reject */
+	h.s.ft = 1;	/* Frametype (01) */
+	h.s.n_r = pri->v_r;	/* Where to start retransmission */
+	h.s.p_f = 1;	/* XXX Should it always be set to 1? XXX */
+	switch(pri->localtype) {
+	case PRI_NETWORK:
+		h.h.c_r = 0;
+		break;
+	case PRI_CPE:
+		h.h.c_r = 1;
+		break;
+	default:
+		fprintf(stderr, "Don't know how to U/A on a type %d node\n", pri->localtype);
+		return;
+	}
+	if (pri->debug & PRI_DEBUG_Q921_STATE)
+		printf("Sending Reject (%d)\n", pri->v_r);
+	q921_transmit(pri, &h, 4);
+}
+
 static void q921_rr(struct pri *pri, int pbit) {
 	q921_h h;
 	Q921_INIT(h);
@@ -211,13 +250,15 @@ static void q921_rr(struct pri *pri, int pbit) {
 	q921_transmit(pri, &h, 4);
 }

+static pri_event *q921_dchannel_down(struct pri *pri);
+
 static void t200_expire(void *vpri)
 {
 	struct pri *pri = vpri;
 	if (pri->txqueue) {
 		/* Retransmit first packet in the queue, setting the poll bit */
 		if (pri->debug & PRI_DEBUG_Q921_STATE)
-			printf("T200 counter expired, resending last frame and scheduling t200 again (retrans so far = %d)\n", pri->retrans);
+			printf("-- T200 counter expired, What to do...\n");
 		/* Force Poll bit */
 		pri->txqueue->h.p_f = 1;	
 		/* Update nr */
@@ -225,11 +266,28 @@ static void t200_expire(void *vpri)
 		pri->v_na = pri->v_r;
 		pri->solicitfbit = 1;
 		pri->retrans++;
-		q921_transmit(pri, (q921_h *)&pri->txqueue->h, pri->txqueue->len);
+      /* Up to three retransmissions */
+      if (pri->retrans < N_200) {
+         /* Reschedule t200_timer */
+         if (pri->debug & PRI_DEBUG_Q921_STATE)
+            printf("-- Retransmitting %d bytes\n", pri->txqueue->len);
+   		q921_transmit(pri, (q921_h *)&pri->txqueue->h, pri->txqueue->len);
+         if (pri->debug & PRI_DEBUG_Q921_STATE) 
+               printf("-- Rescheduling retransmission (%d)\n", pri->retrans);
+         pri->t200_timer = pri_schedule_event(pri, T_200, t200_expire, pri);
+      } else {
+         if (pri->debug & PRI_DEBUG_Q921_STATE) 
+               printf("-- Timeout occured, restarting PRI\n");
+         pri->state = Q921_LINK_CONNECTION_RELEASED;
+      	pri->t200_timer = 0;
+         q921_dchannel_down(pri);
+         q921_start(pri);
+         pri->schedev = 1;
+      }
 	} else {
 		fprintf(stderr, "T200 counter expired, nothing to send...\n");
+   	pri->t200_timer = 0;
 	}
-	pri->t200_timer = 0;
 }

 int q921_transmit_iframe(struct pri *pri, void *buf, int len, int cr)
@@ -294,7 +352,7 @@ static void t203_expire(void *vpri)
 {
 	struct pri *pri = vpri;
 	if (pri->debug &  PRI_DEBUG_Q921_STATE)
-		printf("T203 counter expired, sending RR and scheduling t203 again\n");
+		printf("T203 counter expired, sending RR and scheduling T203 again\n");
 	/* Solicit an F-bit in the other's RR */
 	pri->solicitfbit = 1;
 	q921_rr(pri, 1);
@@ -330,7 +388,7 @@ static pri_event *q921_handle_iframe(struct pri *pri, q921_i *i, int len)
 			/* It's within our window -- send back an RR */
 			q921_rr(pri, 0);
 		} else
-			fprintf(stderr, "XXX I need to reject (expected %d, got %d) XXX\n", pri->v_r, i->n_s);
+			q921_reject(pri);
 #if 0
 		q931_reject(pri);
 #endif		
@@ -341,37 +399,41 @@ static pri_event *q921_handle_iframe(struct pri *pri, q921_i *i, int len)
 void q921_dump(q921_h *h, int len, int showraw, int txrx)
 {
 	int x;
+        char *type;
+	char direction_tag;
+	
+	direction_tag = txrx ? '>' : '<';
 	if (showraw) {
-		printf("%c   [", (txrx ? '>' : '<'));
+		printf("\n%c [", direction_tag);
 		for (x=0;x<len;x++) 
 			printf("%02x ",h->raw[x]);
-		printf("]\n");
+		printf("]");
 	}

-	switch(h->h.data[0] & Q921_FRAMETYPE_MASK) {
+	switch (h->h.data[0] & Q921_FRAMETYPE_MASK) {
 	case 0:
 	case 2:
-		printf("\n  Informational Frame:\n");
+		printf("\n%c Informational frame:\n", direction_tag);
 		break;
 	case 1:
-		printf("\n  Supervisory frame:\n");
+		printf("\n%c Supervisory frame:\n", direction_tag);
 		break;
 	case 3:
-		printf("\n  Unnumbered frame:\n");
+		printf("\n%c Unnumbered frame:\n", direction_tag);
 		break;
 	}
 	
 	printf(
 "%c SAPI: %02d  C/R: %d EA: %d\n"
 "%c  TEI: %03d        EA: %d\n", 
-    (txrx ? '>' : '<'),
+    	direction_tag,
 	h->h.sapi, 
 	h->h.c_r,
 	h->h.ea1,
-    (txrx ? '>' : '<'),
+    	direction_tag,
 	h->h.tei,
 	h->h.ea2);
-	switch(h->h.data[0] & Q921_FRAMETYPE_MASK) {
+	switch (h->h.data[0] & Q921_FRAMETYPE_MASK) {
 	case 0:
 	case 2:
 		/* Informational frame */
@@ -379,42 +441,85 @@ void q921_dump(q921_h *h, int len, int showraw, int txrx)
 "%c N(S): %03d   0: %d\n"
 "%c N(R): %03d   P: %d\n"
 "%c %d bytes of data\n",
-    (txrx ? '>' : '<'),
+    	direction_tag,
 	h->i.n_s,
 	h->i.ft,
-    (txrx ? '>' : '<'),
+    	direction_tag,
 	h->i.n_r,
 	h->i.p_f, 
-    (txrx ? '>' : '<'),
+    	direction_tag,
 	len - 4);
 		break;
 	case 1:
 		/* Supervisory frame */
+		type = "???";
+		switch (h->s.ss) {
+		case 0:
+			type = "RR (receive ready)";
+			break;
+		case 1:
+			type = "RNR (receive not ready)";
+			break;
+		case 2:
+			type = "REJ (reject)";
+			break;
+		}
 		printf(
-"%c Zeros: %d S: %d    01: %d\n"
-"%c N(R): %03d  P/F: %d\n"
+"%c Zero: %d     S: %d 01: %d  [ %s ]\n"
+"%c N(R): %03d P/F: %d\n"
 "%c %d bytes of data\n",
-    (txrx ? '>' : '<'),
+    	direction_tag,
 	h->s.x0,
 	h->s.ss,
 	h->s.ft,
-    (txrx ? '>' : '<'),
+	type,
+	direction_tag,
 	h->s.n_r,
 	h->s.p_f, 
-    (txrx ? '>' : '<'),
+	direction_tag,
 	len - 4);
 		break;
-	case 3:
+	case 3:		
 		/* Unnumbered frame */
+		type = "???";
+		if (h->u.ft == 3) {
+			switch (h->u.m3) {
+			case 0:
+				if (h->u.m2 == 3)
+					type = "DM (disconnect mode)";
+				else if (h->u.m2 == 0)
+					type = "UI (unnumbered information)";
+				break;
+			case 2:
+				if (h->u.m2 == 0)
+					type = "DISC (disconnect)";
+				break;
+			case 3:
+			       	if (h->u.m2 == 3)
+					type = "SABME (set asynchronous balanced mode extended)";
+				else if (h->u.m2 == 0)
+					type = "UA (unnumbered acknowledgement)";
+				break;
+			case 4:
+				if (h->u.m2 == 1)
+					type = "FRMR (frame reject)";
+				break;
+			case 5:
+				if (h->u.m2 == 3)
+					type = "XID (exchange identification note)";
+				break;
+			}
+		}
 		printf(
-"%c M3: %d P/F: %d M2: %d 11: %d\n"
+"%c   M3: %d   P/F: %d M2: %d 11: %d  [ %s ]\n"
 "%c %d bytes of data\n",
-    (txrx ? '>' : '<'),
+	direction_tag,
 	h->u.m3,
 	h->u.p_f,
 	h->u.m2,
 	h->u.ft,
-    (txrx ? '>' : '<'),
+	type,
+	direction_tag,
 	len - 3);
 		break;
 	};
@@ -474,6 +579,7 @@ void q921_reset(struct pri *pri)

 pri_event *q921_receive(struct pri *pri, q921_h *h, int len)
 {
+	q921_frame *f;
 	/* Discard FCS */
 	len -= 2;
 	
@@ -534,8 +640,57 @@ pri_event *q921_receive(struct pri *pri, q921_h *h, int len)
 				pri->solicitfbit = 0;
 			}
 			break;
+#if 0
+      case 1:
+         /* Receiver not ready */
+         if (pri->debug & PRI_DEBUG_Q921_STATE)
+            printf("-- Got receiver not ready\n");
+         pri->busy = 1;
+         break;   
+#endif         
+      case 2:
+         /* Just retransmit */
+         if (pri->debug & PRI_DEBUG_Q921_STATE)
+            printf("-- Got reject requesting packet %d...  Retransmitting.\n", h->s.n_r);
+         if (h->s.p_f) {
+            /* If it has the poll bit set, send an appropriate supervisory response */
+            q921_rr(pri, 1);
+         }
+         /* Resend the proper I-frame */
+         for(f=pri->txqueue;f;f=f->next) {
+               if (f->h.n_s == h->s.n_r) {
+                     /* Matches the request */
+                     break;
+               }
+         }
+         if (f) {
+               /* Retransmit the requested frame */
+               q921_transmit(pri, (q921_h *)(&f->h), f->len);
+         } else {
+               if (pri->txqueue) {
+                     /* This should never happen */
+		     if (!h->s.p_f || h->s.n_r) {
+			fprintf(stderr, "!! Got reject for frame %d, but we only have others!\n", h->s.n_r);
+		     }
+               } else {
+                     /* Hrm, we have nothing to send, but have been REJ'd.  Reset v_a, v_s, etc */
+                     pri->v_a = h->s.n_r;
+                     pri->v_s = h->s.n_r;
+                     /* Reset t200 timer if it was somehow going */
+                     if (pri->t200_timer) {
+                           pri_schedule_del(pri, pri->t200_timer);
+                           pri->t200_timer = 0;
+                     }
+                     /* Reset and restart t203 timer */
+                     if (pri->t203_timer)
+                           pri_schedule_del(pri, pri->t203_timer);
+                     pri->t203_timer = pri_schedule_event(pri, T_203, t203_expire, pri);
+               }
+         }
+         break;
 		default:
-			fprintf(stderr, "!! XXX Unknown Supervisory frame XXX\n");
+			fprintf(stderr, "!! XXX Unknown Supervisory frame ss=0x%02x,pf=%02xnr=%02x vs=%02x, va=%02x XXX\n", h->s.ss, h->s.p_f, h->s.n_r,
+					pri->v_s, pri->v_a);
 		}
 		break;
 	case 3:
--- a/q931.c
+++ b/q931.c
@@ -45,6 +45,7 @@ struct msgtype msgs[] = {
 	{ Q931_CONNECT_ACKNOWLEDGE, "CONNECT ACKNOWLEDGE" },
 	{ Q931_PROGRESS, "PROGRESS" },
 	{ Q931_SETUP, "SETUP" },
+	{ Q931_SETUP_ACKNOWLEDGE, "SETUP ACKNOWLEDGE" },
 	
 	/* Call disestablishment messages */
 	{ Q931_DISCONNECT, "DISCONNECT" },
@@ -93,25 +94,38 @@ struct msgtype causes[] = {
 	{ PRI_CAUSE_NO_USER_RESPONSE, "No user responding" },
 	{ PRI_CAUSE_NO_ANSWER, "User alerting, no answer" },
 	{ PRI_CAUSE_CALL_REJECTED, "Call Rejected" },
+	{ PRI_CAUSE_NUMBER_CHANGED, "Number changed" },
 	{ PRI_CAUSE_DESTINATION_OUT_OF_ORDER, "Destination out of order" },
 	{ PRI_CAUSE_INVALID_NUMBER_FORMAT, "Invalid number format" },
+	{ PRI_CAUSE_FACILITY_REJECTED, "Facility rejected" },
 	{ PRI_CAUSE_RESPONSE_TO_STATUS_ENQUIRY, "Response to STATus ENQuiry" },
 	{ PRI_CAUSE_NORMAL_UNSPECIFIED, "Normal, unspecified" },
 	{ PRI_CAUSE_NORMAL_CIRCUIT_CONGESTION, "Circuit/channel congestion" },
+	{ PRI_CAUSE_NETWORK_OUT_OF_ORDER, "Network out of order" },
 	{ PRI_CAUSE_NORMAL_TEMPORARY_FAILURE, "Temporary failure" },
 	{ PRI_CAUSE_SWITCH_CONGESTION, "Switching equipment congestion" },
 	{ PRI_CAUSE_ACCESS_INFO_DISCARDED, "Access information discarded" },
 	{ PRI_CAUSE_REQUESTED_CHAN_UNAVAIL, "Requested channel not available" },
+	{ PRI_CAUSE_PRE_EMPTED, "Pre-empted" },
+	{ PRI_CAUSE_FACILITY_NOT_SUBSCRIBED, "Facility not subscribed" },
+	{ PRI_CAUSE_OUTGOING_CALL_BARRED, "Outgoing call barred" },
+	{ PRI_CAUSE_INCOMING_CALL_BARRED, "Incoming call barred" },
 	{ PRI_CAUSE_BEARERCAPABILITY_NOTAUTH, "Bearer capability not authorized" },
+	{ PRI_CAUSE_BEARERCAPABILITY_NOTAVAIL, "Bearer capability not available" },
 	{ PRI_CAUSE_BEARERCAPABILITY_NOTIMPL, "Bearer capability not implemented" },
+	{ PRI_CAUSE_CHAN_NOT_IMPLEMENTED, "Channel not implemented" },
+	{ PRI_CAUSE_FACILITY_NOT_IMPLEMENTED, "Facility not implemented" },
 	{ PRI_CAUSE_INVALID_CALL_REFERENCE, "Invalid call reference value" },
 	{ PRI_CAUSE_INCOMPATIBLE_DESTINATION, "Incompatible destination" },
+	{ PRI_CAUSE_INVALID_MSG_UNSPECIFIED, "Invalid message unspecified" },
 	{ PRI_CAUSE_MANDATORY_IE_MISSING, "Mandatory information element is missing" },
 	{ PRI_CAUSE_MESSAGE_TYPE_NONEXIST, "Message type nonexist." },
+	{ PRI_CAUSE_WRONG_MESSAGE, "Wrong message" },
 	{ PRI_CAUSE_IE_NONEXIST, "Info. element nonexist or not implemented" },
 	{ PRI_CAUSE_INVALID_IE_CONTENTS, "Invalid information element contents" },
 	{ PRI_CAUSE_WRONG_CALL_STATE, "Message not compatible with call state" },
 	{ PRI_CAUSE_RECOVERY_ON_TIMER_EXPIRE, "Recover on timer expiry" },
+	{ PRI_CAUSE_MANDATORY_IE_LENGTH_ERROR, "Mandatory IE length error" },
 	{ PRI_CAUSE_PROTOCOL_ERROR, "Protocol error, unspecified" },
 	{ PRI_CAUSE_INTERWORKING, "Interworking, unspecified" },
 };
@@ -131,16 +145,6 @@ struct msgtype causes[] = {
 #define TRANS_MODE_MULTIRATE	0x18
 #define TRANS_MODE_PACKET		0X40

-#define LAYER_1_ITU_RATE_ADAPT	0x21
-#define LAYER_1_ULAW			0x22
-#define LAYER_1_ALAW			0x23
-#define LAYER_1_G721			0x24
-#define LAYER_1_G722_G725		0x25
-#define LAYER_1_G7XX_384K		0x26
-#define LAYER_1_NON_ITU_ADAPT	0x27
-#define LAYER_1_V120_RATE_ADAPT	0x28
-#define LAYER_1_X31_RATE_ADAPT	0x29
-
 #define RATE_ADAPT_56K			0x0f

 #define LAYER_2_LAPB			0x46
@@ -151,11 +155,15 @@ struct msgtype causes[] = {
 #define PRI_TRANS_CAP_AUDIO_4ESS	0x08


-#define Q931_CALL_NOT_E2E_ISDN		0x1
-#define Q931_CALLED_NOT_ISDN		0x2
-#define Q931_CALLER_NOT_ISDN		0x3
-#define Q931_INBAND_AVAILABLE		0x8
-#define Q931_DELAY_AT_INTERF		0xa
+#define Q931_PROG_CALL_NOT_E2E_ISDN						0x011
+#define Q931_PROG_CALLED_NOT_ISDN						0x02
+#define Q931_PROG_CALLER_NOT_ISDN						0x03
+#define Q931_PROG_INBAND_AVAILABLE						0x08
+#define Q931_PROG_DELAY_AT_INTERF						0x0a
+#define Q931_PROG_INTERWORKING_WITH_PUBLIC				0x10
+#define Q931_PROG_INTERWORKING_NO_RELEASE				0x11
+#define Q931_PROG_INTERWORKING_NO_RELEASE_PRE_ANSWER	0x12
+#define Q931_PROG_INTERWORKING_NO_RELEASE_POST_ANSWER	0x13

 #define CODE_CCITT					0x0
 #define CODE_INTERNATIONAL 			0x1
@@ -173,6 +181,7 @@ struct msgtype causes[] = {

 struct q931_call {
 	int cr;		/* Call Reference */
+	int forceinvert;	/* Force inversion of call number even if 0 */
 	q931_call *next;
 	/* Slotmap specified (bitmap of channels 31/24-1) (Channel Identifier IE) (-1 means not specified) */
 	int slotmap;
@@ -184,6 +193,7 @@ struct q931_call {
 	int chanflags;
 	
 	int alive;				/* Whether or not the call is alive */
+	int sendhangupack;		/* Whether or not to send a hangup ack */
 	int proc;				/* Whether we've sent a call proceeding / alerting */
 	
 	int ri;			/* Restart Indicator (Restart Indicator IE) */
@@ -242,6 +252,8 @@ static void call_init(struct q931_call *c)
 {
 	memset(c, 0, sizeof(*c));
 	c->alive = 0;
+	c->sendhangupack = 0;
+	c->forceinvert = -1;	
 	c->cr = -1;
 	c->slotmap = -1;
 	c->channelno = -1;
@@ -329,11 +341,9 @@ static int transmit_channel_id(struct pri *pri, q931_call *call, int msgtype, q9

 	if (call->ds1no > -1) {
 		/* Note that we are specifying the identifier */
-		ie->data[pos] |= 0x40;
-		pos++;
+		ie->data[pos++] |= 0x40;
 		/* We need to use the Channel Identifier Present thingy.  Just specify it and we're done */
-		ie->data[pos] = 0x80 | call->ds1no;
-		pos++;
+		ie->data[pos++] = 0x80 | call->ds1no;
 	} else
 		pos++;
 	if ((call->channelno > -1) || (call->slotmap != -1)) {
@@ -366,7 +376,7 @@ static void dump_channel_id(q931_ie *ie, int len, char prefix)
 	int pos=0;
 	int x;
 	int res = 0;
-	printf("%c Channel ID len = %d [ Ext: %d  IntID: %s, %s Spare: %d, %s Dchan: %d, ChanSel: %d \n",
+	printf("%c Channel ID (len=%2d) [ Ext: %d  IntID: %s, %s Spare: %d, %s Dchan: %d, ChanSel: %d \n",
 		prefix, len, (ie->data[0] & 0x80) ? 1 : 0, (ie->data[0] & 0x40) ? "Explicit" : "Implicit",
 		(ie->data[0] & 0x20) ? "PRI" : "Other", (ie->data[0] & 0x10) ? 1 : 0,
 		(ie->data[0] & 0x08) ? "Exclusive" : "Preferred",  (ie->data[0] & 0x04) ? 1 : 0,
@@ -375,7 +385,7 @@ static void dump_channel_id(q931_ie *ie, int len, char prefix)
 	len--;
 	if (ie->data[0] &  0x40) {
 		/* Explicitly defined DS1 */
-		printf("%c                       Ext: %d   DS1 Identifier: %d  \n", prefix, (ie->data[pos] & 0x80) >> 7, ie->data[pos] & 0x7f);
+		printf("%c                       Ext: %d  DS1 Identifier: %d  \n", prefix, (ie->data[pos] & 0x80) >> 7, ie->data[pos] & 0x7f);
 		pos++;
 		len--;
 	} else {
@@ -383,13 +393,13 @@ static void dump_channel_id(q931_ie *ie, int len, char prefix)
 	}
 	if (pos < len) {
 		/* Still more information here */
-		printf("%c                       Ext: %d   Coding: %d   %s Specified   Channel Type: %d\n",
+		printf("%c                       Ext: %d  Coding: %d   %s Specified   Channel Type: %d\n",
 				prefix, (ie->data[pos] & 0x80) >> 7, (ie->data[pos] & 60) >> 5, 
 				(ie->data[pos] & 0x10) ? "Slot Map" : "Number", ie->data[pos] & 0x0f);
 		if (!(ie->data[pos] & 0x10)) {
 			/* Number specified */
 			pos++;
-			printf("%c                       Ext: %d   Channel: %d ]\n", prefix, (ie->data[pos] & 0x80) >> 7, 
+			printf("%c                       Ext: %d  Channel: %d ]\n", prefix, (ie->data[pos] & 0x80) >> 7, 
 				(ie->data[pos]) & 0x7f);
 		} else {
 			pos++;
@@ -446,6 +456,20 @@ static int transmit_restart_indicator(struct pri *pri, q931_call *call, int msgt
 	return 3;
 }

+static char *redirection_reason2str(int mode)
+{
+	static struct msgtype modes[] = {
+		{ PRI_REDIR_UNKNOWN, "Unknown" },
+		{ PRI_REDIR_FORWARD_ON_BUSY, "Forwarded on busy" },
+		{ PRI_REDIR_FORWARD_ON_NO_REPLY, "Forwarded on no reply" },
+		{ PRI_REDIR_DEFLECTION, "Call deflected" },
+		{ PRI_REDIR_DTE_OUT_OF_ORDER, "Called DTE out of order" },
+		{ PRI_REDIR_FORWARDED_BY_DTE, "Forwarded by called DTE" },
+		{ PRI_REDIR_UNCONDITIONAL, "Forwarded unconditionally" },
+	};
+	return code2str(mode, modes, sizeof(modes) / sizeof(modes[0]));
+}
+
 static char *cap2str(int mode)
 {
 	static struct msgtype modes[] = {
@@ -477,15 +501,15 @@ static char *mode2str(int mode)
 static char *l12str(int proto)
 {
 	static struct msgtype protos[] = {
-		{ LAYER_1_ITU_RATE_ADAPT, "ITU Rate Adaption" },
-		{ LAYER_1_ULAW, "u-Law" },
-		{ LAYER_1_ALAW, "A-Law" },
-		{ LAYER_1_G721, "G.721 ADPCM" },
-		{ LAYER_1_G722_G725, "G.722/G.725 7kHz Audio" },
-		{ LAYER_1_G7XX_384K, "G.7xx 384k Video" },
-		{ LAYER_1_NON_ITU_ADAPT, "Non-ITU Rate Adaption" },
-		{ LAYER_1_V120_RATE_ADAPT, "V.120 Rate Adaption" },
-		{ LAYER_1_X31_RATE_ADAPT, "X.31 Rate Adaption" },
+		{ PRI_LAYER_1_ITU_RATE_ADAPT, "ITU Rate Adaption" },
+		{ PRI_LAYER_1_ULAW, "u-Law" },
+		{ PRI_LAYER_1_ALAW, "A-Law" },
+		{ PRI_LAYER_1_G721, "G.721 ADPCM" },
+		{ PRI_LAYER_1_G722_G725, "G.722/G.725 7kHz Audio" },
+		{ PRI_LAYER_1_G7XX_384K, "G.7xx 384k Video" },
+		{ PRI_LAYER_1_NON_ITU_ADAPT, "Non-ITU Rate Adaption" },
+		{ PRI_LAYER_1_V120_RATE_ADAPT, "V.120 Rate Adaption" },
+		{ PRI_LAYER_1_X31_RATE_ADAPT, "X.31 Rate Adaption" },
 	};
 	return code2str(proto, protos, sizeof(protos) / sizeof(protos[0]));
 }
@@ -517,11 +541,11 @@ static char *l32str(int proto)
 static void dump_bearer_capability(q931_ie *ie, int len, char prefix)
 {
 	int pos=2;
-	printf("%c Bearer Capability: [ Ext: %d   Q.931 Std: %d  Info transfer capability: %d (%s)\n",
-		prefix, (ie->data[0] & 0x80 ) >> 7, (ie->data[0] & 0x60) >> 5, (ie->data[0] & 0x1f), cap2str(ie->data[0] & 0x1f));
-	printf("%c                     Ext: %d   Trans Mode/Rate: %d (%s)\n", prefix, (ie->data[1] & 0x80) >> 7, ie->data[1] & 0x7f, mode2str(ie->data[1] & 0x7f));
+	printf("%c Bearer Capability (len=%2d) [ Ext: %d  Q.931 Std: %d  Info transfer capability: %s (%d)\n",
+		prefix, ie->len, (ie->data[0] & 0x80 ) >> 7, (ie->data[0] & 0x60) >> 5, cap2str(ie->data[0] & 0x1f), (ie->data[0] & 0x1f));
+	printf("%c                              Ext: %d  Trans mode/rate: %s (%d)\n", prefix, (ie->data[1] & 0x80) >> 7, mode2str(ie->data[1] & 0x7f), ie->data[1] & 0x7f);
 	if ((ie->data[1] & 0x7f) == 0x18) {
-		printf("%c                     Ext: %d   Transfer Rate Multiplier: %d x 64\n", prefix, (ie->data[2] & 0x80) >> 7, ie->data[2] & 0x7f);
+	    printf("%c                              Ext: %d  Transfer rate multiplier: %d x 64\n", prefix, (ie->data[2] & 0x80) >> 7, ie->data[2] & 0x7f);
 		pos++;
 	}
 	/* Stop here if no more */
@@ -529,15 +553,15 @@ static void dump_bearer_capability(q931_ie *ie, int len, char prefix)
 		return;
 	if ((ie->data[1] & 0x7f) != TRANS_MODE_PACKET) {
 		/* Look for octets 5 and 5.a if present */
-		printf("%c                     Ext: %d   User Information Layer 1: %d (%s)\n", prefix, (ie->data[pos] >> 7), ie->data[pos] & 0x7f,l12str(ie->data[pos] & 0x7f));
-		if ((ie->data[pos] & 0x7f) == LAYER_1_ITU_RATE_ADAPT)
-			printf("%c                     Ext: %d   Rate Adaptatation: %d (%s)\n", prefix, ie->data[pos] >> 7, ie->data[pos] & 0x7f, ra2str(ie->data[pos] & 0x7f));
+		printf("%c                              Ext: %d  User information layer 1: %s (%d)\n", prefix, (ie->data[pos] >> 7), l12str(ie->data[pos] & 0x7f), ie->data[pos] & 0x7f);
+		if ((ie->data[pos] & 0x7f) == PRI_LAYER_1_ITU_RATE_ADAPT)
+			printf("%c                                Ext: %d  Rate adaptatation: %s (%d)\n", prefix, ie->data[pos] >> 7, ra2str(ie->data[pos] & 0x7f), ie->data[pos] & 0x7f);
 		pos++;
 	} else {
 		/* Look for octets 6 and 7 but not 5 and 5.a */
-		printf("%c                     Ext: %d   User Information Layer 2: %d (%s)\n", prefix, ie->data[pos] >> 7, ie->data[pos] & 0x7f, l22str(ie->data[pos] & 0x7f));
+		printf("%c                              Ext: %d  User information layer 2: %s (%d)\n", prefix, ie->data[pos] >> 7, l22str(ie->data[pos] & 0x7f), ie->data[pos] & 0x7f);
 		pos++;
-		printf("%c                     Ext: %d   User Information Layer 3: %d (%s)\n", prefix, ie->data[pos] >> 7, ie->data[pos] & 0x7f, l32str(ie->data[pos] & 0x7f));
+		printf("%c                              Ext: %d  User information layer 3: %s (%d)\n", prefix, ie->data[pos] >> 7, l32str(ie->data[pos] & 0x7f), ie->data[pos] & 0x7f);
 		pos++;
 	}
 }
@@ -555,7 +579,7 @@ static int receive_bearer_capability(struct pri* pri, q931_call *call, int msgty
 		call->transmoderate = PRI_TRANS_CAP_3_1K_AUDIO;
 	if (call->transmoderate != TRANS_MODE_PACKET) {
 		call->userl1 = ie->data[pos] & 0x7f;
-		if (call->userl1 == LAYER_1_ITU_RATE_ADAPT) {
+		if (call->userl1 == PRI_LAYER_1_ITU_RATE_ADAPT) {
 			call->rateadaption = ie->data[++pos] & 0x7f;
 		}
 		pos++;
@@ -583,7 +607,7 @@ static int transmit_bearer_capability(struct pri *pri, q931_call *call, int msgt
 		if (pri->switchtype == PRI_SWITCH_ATT4ESS)
 			return 4;
 		ie->data[2] = call->userl1 | 0x80; /* XXX Ext bit? XXX */
-		if (call->userl1 == LAYER_1_ITU_RATE_ADAPT) {
+		if (call->userl1 == PRI_LAYER_1_ITU_RATE_ADAPT) {
 			ie->data[3] = call->rateadaption | 0x80;
 			return 6;
 		}
@@ -607,6 +631,43 @@ char *pri_plan2str(int plan)
 	return code2str(plan, plans, sizeof(plans) / sizeof(plans[0]));
 }

+static char *npi2str(int plan)
+{
+	static struct msgtype plans[] = {
+		{ PRI_NPI_UNKNOWN, "Unknown Number Plan" },
+		{ PRI_NPI_E163_E164, "ISDN/Telephony Numbering Plan (E.164/E.163)" },
+		{ PRI_NPI_X121, "Data Numbering Plan (X.121)" },
+		{ PRI_NPI_F69, "Telex Numbering Plan (F.69)" },
+		{ PRI_NPI_NATIONAL, "National Standard Numbering Plan" },
+		{ PRI_NPI_PRIVATE, "Private Numbering Plan" },
+		{ PRI_NPI_RESERVED, "Reserved Number Plan" },
+	};
+	return code2str(plan, plans, sizeof(plans) / sizeof(plans[0]));
+}
+
+static char *ton2str(int plan)
+{
+	static struct msgtype plans[] = {
+		{ PRI_TON_UNKNOWN, "Unknown Number Type" },
+		{ PRI_TON_INTERNATIONAL, "International Number" },
+		{ PRI_TON_NATIONAL, "National Number" },
+		{ PRI_TON_NET_SPECIFIC, "Network Specific Number" },
+		{ PRI_TON_SUBSCRIBER, "Subscriber Number" },
+		{ PRI_TON_ABBREVIATED, "Abbreviated number" },
+		{ PRI_TON_RESERVED, "Reserved Number" },
+	};
+	return code2str(plan, plans, sizeof(plans) / sizeof(plans[0]));
+}
+
+static char *subaddrtype2str(int plan)
+{
+	static struct msgtype plans[] = {
+		{ 0, "NSAP (X.213/ISO 8348 AD2)" },
+		{ 2, "User Specified" },
+	};
+	return code2str(plan, plans, sizeof(plans) / sizeof(plans[0]));
+}
+
 char *pri_pres2str(int pres)
 {
 	static struct msgtype press[] = {
@@ -635,18 +696,57 @@ static void q931_get_number(unsigned char *num, int maxlen, unsigned char *src,
 static void dump_called_party_number(q931_ie *ie, int len, char prefix)
 {
 	char cnum[256];
+
 	q931_get_number(cnum, sizeof(cnum), ie->data + 1, len - 3);
-	printf("%c Called Number len = %d: [ Ext: %d  Type: %s (%d) '%s' ]\n", prefix, len, ie->data[0] >> 7, pri_plan2str(ie->data[0] & 0x7f), ie->data[0] & 0x7f, cnum);
+	printf("%c Called Number (len=%2d) [ Ext: %d  TON: %s (%d)  NPI: %s (%d) '%s' ]\n",
+		prefix, len, ie->data[0] >> 7, ton2str((ie->data[0] >> 4) & 0x07), (ie->data[0] >> 4) & 0x07, npi2str(ie->data[0] & 0x0f), ie->data[0] & 0x0f, cnum);
+}
+
+static void dump_called_party_subaddr(q931_ie *ie, int len, char prefix)
+{
+	char cnum[256];
+	q931_get_number(cnum, sizeof(cnum), ie->data + 1, len - 3);
+	printf("%c Called Sub-Address (len=%2d) [ Ext: %d  Type: %s (%d) O: %d '%s' ]\n",
+		prefix, len, ie->data[0] >> 7,
+		subaddrtype2str((ie->data[0] & 0x70) >> 4), (ie->data[0] & 0x70) >> 4,
+		(ie->data[0] & 0x08) >> 3, cnum);
 }

 static void dump_calling_party_number(q931_ie *ie, int len, char prefix)
 {
 	char cnum[256];

-
 	q931_get_number(cnum, sizeof(cnum), ie->data + 2, len - 4);
-	printf("%c Calling Number len = %d: [ Ext: %d  Type: %s (%d) ", prefix, len, ie->data[0] >> 7, pri_plan2str(ie->data[0] & 0x7f), ie->data[0] & 0x7f);
-	printf("%c                            Presentation: %s (%d) '%s' ]\n", prefix, pri_pres2str(ie->data[1]), ie->data[1] & 0x7f, cnum);
+	printf("%c Calling Number (len=%2d) [ Ext: %d  TON: %s (%d)  NPI: %s (%d)\n", prefix, len, ie->data[0] >> 7, ton2str((ie->data[0] >> 4) & 0x07), (ie->data[0] >> 4) & 0x07, npi2str(ie->data[0] & 0x0f), ie->data[0] & 0x0f);
+	printf("%c                           Presentation: %s (%d) '%s' ]\n", prefix, pri_pres2str(ie->data[1]), ie->data[1] & 0x7f, cnum);
+}
+
+static void dump_calling_party_subaddr(q931_ie *ie, int len, char prefix)
+{
+	char cnum[256];
+	q931_get_number(cnum, sizeof(cnum), ie->data + 2, len - 4);
+	printf("%c Calling Sub-Address (len=%2d) [ Ext: %d  Type: %s (%d) O: %d '%s' ]\n",
+		prefix, len, ie->data[0] >> 7,
+		subaddrtype2str((ie->data[0] & 0x70) >> 4), (ie->data[0] & 0x70) >> 4,
+		(ie->data[0] & 0x08) >> 3, cnum);
+}
+
+static void dump_redirecting_number(q931_ie *ie, int len, char prefix)
+{
+	char cnum[256];
+	q931_get_number(cnum, sizeof(cnum), ie->data + 3, len - 5);
+	printf("%c Redirecting Number (len=%2d) [ Ext: %d  TON: %s (%d)  NPI: %s (%d)\n", prefix, len, ie->data[0] >> 7, ton2str((ie->data[0] >> 4) & 0x07), (ie->data[0] >> 4) & 0x07, npi2str(ie->data[0] & 0x0f), ie->data[0] & 0x0f);
+	printf("%c                               Presentation: %s (%d)  Reason: %s (%d)  '%s' ]\n", prefix, pri_pres2str(ie->data[1]), ie->data[1] & 0x7f, redirection_reason2str(ie->data[2]), ie->data[2], cnum);
+}
+
+static void dump_redirecting_subaddr(q931_ie *ie, int len, char prefix)
+{
+	char cnum[256];
+	q931_get_number(cnum, sizeof(cnum), ie->data + 2, len - 4);
+	printf("%c Redirecting Sub-Address (len=%2d) [ Ext: %d  Type: %s (%d) O: %d '%s' ]\n",
+		prefix, len, ie->data[0] >> 7,
+		subaddrtype2str((ie->data[0] & 0x70) >> 4), (ie->data[0] & 0x70) >> 4,
+		(ie->data[0] & 0x08) >> 3, cnum);
 }

 static int receive_called_party_number(struct pri *pri, q931_call *call, int msgtype, q931_ie *ie, int len)
@@ -684,11 +784,15 @@ static int transmit_calling_party_number(struct pri *pri, q931_call *call, int m
 static char *prog2str(int prog)
 {
 	static struct msgtype progs[] = {
-		{ Q931_CALL_NOT_E2E_ISDN, "Call is not end-to-end ISDN; further call progress information may be available inband." },
-		{ Q931_CALLED_NOT_ISDN, "Called equipment is non-ISDN." },
-		{ Q931_CALLER_NOT_ISDN, "Calling equipment is non-ISDN." },
-		{ Q931_INBAND_AVAILABLE, "Inband information or appropriate pattern now available." },
-		{ Q931_DELAY_AT_INTERF, "Delay in response at called Interface." },
+		{ Q931_PROG_CALL_NOT_E2E_ISDN, "Call is not end-to-end ISDN; further call progress information may be available inband." },
+		{ Q931_PROG_CALLED_NOT_ISDN, "Called equipment is non-ISDN." },
+		{ Q931_PROG_CALLER_NOT_ISDN, "Calling equipment is non-ISDN." },
+		{ Q931_PROG_INBAND_AVAILABLE, "Inband information or appropriate pattern now available." },
+		{ Q931_PROG_DELAY_AT_INTERF, "Delay in response at called Interface." },
+		{ Q931_PROG_INTERWORKING_WITH_PUBLIC, "Interworking with a public network." },
+		{ Q931_PROG_INTERWORKING_NO_RELEASE, "Interworking with a network unable to supply a release signal." },
+		{ Q931_PROG_INTERWORKING_NO_RELEASE_PRE_ANSWER, "Interworking with a network unable to supply a release signal before answer." },
+		{ Q931_PROG_INTERWORKING_NO_RELEASE_POST_ANSWER, "Interworking with a network unable to supply a release signal after answer." },
 	};
 	return code2str(prog, progs, sizeof(progs) / sizeof(progs[0]));
 }
@@ -721,17 +825,17 @@ static char *loc2str(int loc)

 static void dump_progress_indicator(q931_ie *ie, int len, char prefix)
 {
-	printf("%c Progress Indicator len = %d [ Ext: %d Coding standard: %s (%d) 0: %d   Location: %s (%d)\n",
-		prefix, ie->len, ie->data[0] >> 7, coding2str((ie->data[0] & 0x6) >> 5), (ie->data[0] & 0x6) >> 5,
+	printf("%c Progress Indicator (len=%2d) [ Ext: %d  Coding: %s (%d) 0: %d   Location: %s (%d)\n",
+		prefix, ie->len, ie->data[0] >> 7, coding2str((ie->data[0] & 0x60) >> 5), (ie->data[0] & 0x60) >> 5,
 		(ie->data[0] & 0x10) >> 4, loc2str(ie->data[0] & 0xf), ie->data[0] & 0xf);
-	printf("%c                               Ext: %d Progress Description: %s (%d) ]\n",
+	printf("%c                               Ext: %d  Progress Description: %s (%d) ]\n",
 		prefix, ie->data[1] >> 7, prog2str(ie->data[1] & 0x7f), ie->data[1] & 0x7f);
 }

 static int receive_progress_indicator(struct pri *pri, q931_call *call, int msgtype, q931_ie *ie, int len)
 {
 	call->progloc = ie->data[0] & 0xf;
-	call->progcode = (ie->data[0] & 0x6) >> 5;
+	call->progcode = (ie->data[0] & 0x60) >> 5;
 	call->progress = (ie->data[1] & 0x7f);
 	return 0;
 }
@@ -748,6 +852,75 @@ static int transmit_progress_indicator(struct pri *pri, q931_call *call, int msg
 	}
 }

+static char *callstate2str(int callstate)
+{
+	static struct msgtype callstates[] = {
+		{ 0, "Null" },
+		{ 1, "Call Initiated" },
+		{ 2, "Overlap sending" },
+		{ 3, "Outgoing call  Proceeding" },
+		{ 4, "Call Delivered" },
+		{ 6, "Call Present" },
+		{ 7, "Call Received" },
+		{ 8, "Connect Request" },
+		{ 9, "Incoming Call Proceeding" },
+		{ 10, "Active" },
+		{ 11, "Disconnect Request" },
+		{ 12, "Disconnect Indication" },
+		{ 15, "Suspend Request" },
+		{ 17, "Resume Request" },
+		{ 19, "Release Request" },
+		{ 22, "Call Abort" },
+		{ 25, "Overlap Receiving" },
+		{ 61, "Restart Request" },
+		{ 62, "Restart" },
+	};
+	return code2str(callstate, callstates, sizeof(callstates) / sizeof(callstates[0]));
+}
+
+static void dump_call_state(q931_ie *ie, int len, char prefix)
+{
+	printf("%c Call State (len=%2d) [ Ext: %d  Coding: %s (%d) Call state: %s (%d)\n",
+		prefix, ie->len, ie->data[0] >> 7, coding2str((ie->data[0] & 0xC0) >> 6), (ie->data[0] & 0xC0) >> 6,
+		callstate2str(ie->data[0] & 0x3f), ie->data[0] & 0x3f);
+}
+
+static void dump_call_identity(q931_ie *ie, int len, char prefix)
+{
+	int x;
+	printf("%c Call Identity (len=%2d) [ ", prefix, ie->len);
+	for (x=0;x<ie->len;x++) 
+		printf("0x%02X ", ie->data[x]);
+	printf(" ]\n");
+}
+
+static void dump_time_date(q931_ie *ie, int len, char prefix)
+{
+	printf("%c Time Date (len=%2d) [ ", prefix, ie->len);
+	if (ie->len > 0)
+		printf("%02d", ie->data[0]);
+	if (ie->len > 1)
+		printf("-%02d", ie->data[1]);
+	if (ie->len > 2)
+		printf("-%02d", ie->data[2]);
+	if (ie->len > 3)
+		printf(" %02d", ie->data[3]);
+	if (ie->len > 4)
+		printf(":%02d", ie->data[4]);
+	if (ie->len > 5)
+		printf(":%02d", ie->data[5]);
+	printf(" ]\n");
+}
+
+static void dump_display(q931_ie *ie, int len, char prefix)
+{
+	int x;
+	printf("%c Call Identity (len=%2d) [ ", prefix, ie->len);
+	for (x=0;x<ie->len;x++) 
+		printf("%c", ie->data[x] & 0x7f);
+	printf(" ]\n");
+}
+
 char *pri_cause2str(int cause)
 {
 	return code2str(cause, causes, sizeof(causes) / sizeof(causes[0]));
@@ -771,10 +944,10 @@ static char *pri_causeclass2str(int cause)
 static void dump_cause(q931_ie *ie, int len, char prefix)
 {
 	int x;
-	printf("%c Cause len = %d [ Ext: %d Coding standard: %s (%d) 0: %d   Location: %s (%d)\n",
-		prefix, ie->len, ie->data[0] >> 7, coding2str((ie->data[0] & 0x6) >> 5), (ie->data[0] & 0x6) >> 5,
+	printf("%c Cause (len=%2d) [ Ext: %d  Coding: %s (%d) 0: %d   Location: %s (%d)\n",
+		prefix, ie->len, ie->data[0] >> 7, coding2str((ie->data[0] & 0x60) >> 5), (ie->data[0] & 0x60) >> 5,
 		(ie->data[0] & 0x10) >> 4, loc2str(ie->data[0] & 0xf), ie->data[0] & 0xf);
-	printf("%c                  Ext: %d Cause: %s (%d), class = %s (%d) ]\n",
+	printf("%c                  Ext: %d  Cause: %s (%d), class = %s (%d) ]\n",
 		prefix, (ie->data[1] >> 7), pri_cause2str(ie->data[1] & 0x7f), ie->data[1] & 0x7f, 
 			pri_causeclass2str((ie->data[1] & 0x7f) >> 4), (ie->data[1] & 0x7f) >> 4);
 	for (x=4;x<len;x++) 
@@ -784,7 +957,7 @@ static void dump_cause(q931_ie *ie, int len, char prefix)
 static int receive_cause(struct pri *pri, q931_call *call, int msgtype, q931_ie *ie, int len)
 {
 	call->causeloc = ie->data[0] & 0xf;
-	call->causecode = (ie->data[0] & 0x6) >> 5;
+	call->causecode = (ie->data[0] & 0x60) >> 5;
 	call->cause = (ie->data[1] & 0x7f);
 	return 0;
 }
@@ -801,12 +974,33 @@ static int transmit_cause(struct pri *pri, q931_call *call, int msgtype, q931_ie
 	}
 }

+static void dump_sending_complete(q931_ie *ie, int len, char prefix)
+{
+	printf("%c Sending Complete (len=%2d)\n", prefix, ie->len);
+}
+
+static int receive_sending_complete(struct pri *pri, q931_call *call, int msgtype, q931_ie *ie, int len)
+{
+	/* Do nothing */
+	return 0;
+}
+
+static int transmit_sending_complete(struct pri *pri, q931_call *call, int msgtype, q931_ie *ie, int len)
+{
+	if ((pri->switchtype == PRI_SWITCH_EUROISDN_E1) || (pri->switchtype == PRI_SWITCH_EUROISDN_T1)) {
+		/* Include this single-byte IE */
+		ie->f = 1;
+		return 1;
+	}
+	return 0;
+}
+
 struct ie ies[] = {
 	{ NATIONAL_CHANGE_STATUS, "Change Status" },
 	{ Q931_LOCKING_SHIFT, "Locking Shift" },
 	{ Q931_BEARER_CAPABILITY, "Bearer Capability", dump_bearer_capability, receive_bearer_capability, transmit_bearer_capability },
 	{ Q931_CAUSE, "Cause", dump_cause, receive_cause, transmit_cause },
-	{ Q931_CALL_STATE, "Call State" },
+	{ Q931_CALL_STATE, "Call State", dump_call_state },
 	{ Q931_CHANNEL_IDENT, "Channel Identification", dump_channel_id, receive_channel_id, transmit_channel_id },
 	{ Q931_PROGRESS_INDICATOR, "Progress Indicator", dump_progress_indicator, receive_progress_indicator, transmit_progress_indicator },
 	{ Q931_NETWORK_SPEC_FAC, "Network-Specific Facilities" },
@@ -818,11 +1012,11 @@ struct ie ies[] = {
 	{ Q931_CLOSED_USER_GROUP, "Closed User Group" },
 	{ Q931_REVERSE_CHARGE_INDIC, "Reverse Charging Indication" },
 	{ Q931_CALLING_PARTY_NUMBER, "Calling Party Number", dump_calling_party_number, receive_calling_party_number, transmit_calling_party_number },
-	{ Q931_CALLING_PARTY_SUBADDR, "Calling Party Subaddress" },
+	{ Q931_CALLING_PARTY_SUBADDR, "Calling Party Subaddress", dump_calling_party_subaddr },
 	{ Q931_CALLED_PARTY_NUMBER, "Called Party Number", dump_called_party_number, receive_called_party_number, transmit_called_party_number },
-	{ Q931_CALLED_PARTY_SUBADDR, "Called Party Subaddress" },
-	{ Q931_REDIRECTING_NUMBER, "Redirecting Number" },
-	{ Q931_REDIRECTING_SUBADDR, "Redirecting Subaddress" },
+	{ Q931_CALLED_PARTY_SUBADDR, "Called Party Subaddress", dump_called_party_subaddr },
+	{ Q931_REDIRECTING_NUMBER, "Redirecting Number", dump_redirecting_number },
+	{ Q931_REDIRECTING_SUBADDR, "Redirecting Subaddress", dump_redirecting_subaddr },
 	{ Q931_TRANSIT_NET_SELECT, "Transit Network Selection" },
 	{ Q931_RESTART_INDICATOR, "Restart Indicator", dump_restart_indicator, receive_restart_indicator, transmit_restart_indicator },
 	{ Q931_LOW_LAYER_COMPAT, "Low-layer Compatibility" },
@@ -835,11 +1029,11 @@ struct ie ies[] = {
    { Q931_IE_INFO_REQUEST, "Feature Request" },
 	{ Q931_IE_FEATURE_IND, "Feature Indication" },
 	{ Q931_IE_SEGMENTED_MSG, "Segmented Message" },
-	{ Q931_IE_CALL_IDENTITY, "Call Identity" },
+	{ Q931_IE_CALL_IDENTITY, "Call Identity", dump_call_identity },
    { Q931_IE_ENDPOINT_ID, "Endpoint Identification" },
 	{ Q931_IE_NOTIFY_IND, "Notification Indicator" },
-	{ Q931_IE_DISPLAY, "Display" },
-	{ Q931_IE_TIME_DATE, "Date/Time" },
+	{ Q931_IE_DISPLAY, "Display", dump_display },
+	{ Q931_IE_TIME_DATE, "Date/Time", dump_time_date },
 	{ Q931_IE_KEYPAD_FACILITY, "Keypad Facility" },
 	{ Q931_IE_SIGNAL, "Signal" },
 	{ Q931_IE_SWITCHHOOK, "Switch-hook" },
@@ -851,6 +1045,7 @@ struct ie ies[] = {
 	{ Q931_IE_ORIGINAL_CALLED_NUMBER, "Original Called Number" },
 	{ Q931_IE_USER_USER_FACILITY, "User-User Facility" },
 	{ Q931_IE_UPDATE, "Update" },
+	{ Q931_SENDING_COMPLETE, "Sending Complete", dump_sending_complete, receive_sending_complete, transmit_sending_complete },
 };

 static char *ie2str(int ie) 
@@ -987,7 +1182,8 @@ static int add_ie(struct pri *pri, q931_call *call, int msgtype, int ie, q931_ie
 				res = ies[x].transmit(pri, call, msgtype, iet, maxlen);
 				if (res < 0)
 					return res;
-				iet->len = res - 2;
+				if (!iet->f)
+					iet->len = res - 2;
 				return res;
 			} else {
 				fprintf(stderr, "!! Don't know how to add an IE %s (%d)\n", ie2str(ie), ie);
@@ -1010,17 +1206,14 @@ static char *disc2str(int disc)
 	return code2str(disc, discs, sizeof(discs) / sizeof(discs[0]));
 }

-static void q931_dump(q931_h *h, int len, int txrx)
+void q931_dump(q931_h *h, int len, int txrx)
 {
 	q931_mh *mh;
 	char c;
 	int x=0, r;
-	if (txrx)
-		c = '>';
-	else
-		c = '<';
-	printf("%c Protocol Discriminator: %d (%s)\n", c, h->pd, disc2str(h->pd));
-	printf("%c Call Ref Len: %d (reference %d) (%s)\n", c, h->crlen, q931_cr(h), (h->crv[0] & 0x80) ? "Terminator" : "Originator");
+	c = txrx ? '>' : '<';
+	printf("%c Protocol Discriminator: %s (%d)  len=%d\n", c, disc2str(h->pd), h->pd, len);
+	printf("%c Call Ref: len=%2d (reference %d/0x%X) (%s)\n", c, h->crlen, q931_cr(h), q931_cr(h), (h->crv[0] & 0x80) ? "Terminator" : "Originator");
 	/* Message header begins at the end of the call reference number */
 	mh = (q931_mh *)(h->contents + h->crlen);
 	printf("%c Message type: %s (%d)\n", c, msg2str(mh->msg), mh->msg);
@@ -1063,7 +1256,7 @@ static void init_header(q931_call *call, char *buf, q931_h **hb, q931_mh **mhb,
 	h->pd = Q931_PROTOCOL_DISCRIMINATOR;
 	h->x0 = 0;		/* Reserved 0 */
 	h->crlen = 2;	/* Two bytes of Call Reference.  Invert the top bit to make it from our sense */
-	if (call->cr) {
+	if (call->cr || call->forceinvert) {
 		h->crv[0] = ((call->cr ^ 0x8000) & 0xff00) >> 8;
 		h->crv[1] = (call->cr & 0xff);
 	} else {
@@ -1080,9 +1273,12 @@ static void init_header(q931_call *call, char *buf, q931_h **hb, q931_mh **mhb,

 static int q931_xmit(struct pri *pri, q931_h *h, int len, int cr)
 {
+	q921_transmit_iframe(pri, h, len, cr);
+	/* The transmit operation might dump the q921 header, so logging the q931
+	   message body after the transmit puts the sections of the message in the
+	   right order in the log */
 	if (pri->debug & PRI_DEBUG_Q931_DUMP)
 		q931_dump(h, len, 1);
-	q921_transmit_iframe(pri, h, len, cr);
 	return 0;
 }

@@ -1142,7 +1338,7 @@ int q931_alerting(struct pri *pri, q931_call *c, int channel, int info)
 	if (info) {
 		c->progloc = LOC_PRIV_NET_LOCAL_USER;
 		c->progcode = CODE_CCITT;
-		c->progress = Q931_INBAND_AVAILABLE;
+		c->progress = Q931_PROG_INBAND_AVAILABLE;
 	} else
 		c->progress = -1;
 	if (!c->proc)
@@ -1161,7 +1357,7 @@ int q931_connect(struct pri *pri, q931_call *c, int channel, int nonisdn)
 	if (nonisdn && (pri->switchtype != PRI_SWITCH_DMS100)) {
 		c->progloc  = LOC_PRIV_NET_LOCAL_USER;
 		c->progcode = CODE_CCITT;
-		c->progress = Q931_CALLED_NOT_ISDN;
+		c->progress = Q931_PROG_CALLED_NOT_ISDN;
 	} else
 		c->progress = -1;
 	return send_message(pri, c, Q931_CONNECT, connect_ies);
@@ -1190,17 +1386,18 @@ int q931_disconnect(struct pri *pri, q931_call *c, int cause)
 		c->cause = cause;
 		c->causecode = CODE_CCITT;
 		c->causeloc = LOC_PRIV_NET_LOCAL_USER;
+		c->sendhangupack = 1;
 		return send_message(pri, c, Q931_DISCONNECT, disconnect_ies);
 	} else
 		return 0;
 }

 static int setup_ies[] = { Q931_BEARER_CAPABILITY, Q931_CHANNEL_IDENT, Q931_PROGRESS_INDICATOR,
-	Q931_CALLING_PARTY_NUMBER, Q931_CALLED_PARTY_NUMBER, -1 };
+	Q931_CALLING_PARTY_NUMBER, Q931_CALLED_PARTY_NUMBER, Q931_SENDING_COMPLETE, -1 };

 int q931_setup(struct pri *pri, q931_call *c, int transmode, int channel, int exclusive, 
 					int nonisdn, char *caller, int callerplan, int callerpres, char *called,
-					int calledplan)
+					int calledplan, int userl1)
 {
 	int res;
 	
@@ -1209,7 +1406,9 @@ int q931_setup(struct pri *pri, q931_call *c, int transmode, int channel, int ex
 		return -1;
 	c->transcapability = transmode;
 	c->transmoderate = TRANS_MODE_64_CIRCUIT;
-	c->userl1 = LAYER_1_ULAW;
+	if (!userl1)
+		userl1 = PRI_LAYER_1_ULAW;
+	c->userl1 = userl1;
 	c->channelno = channel;
 	c->slotmap = -1;
 	c->ds1no = -1;
@@ -1220,7 +1419,7 @@ int q931_setup(struct pri *pri, q931_call *c, int transmode, int channel, int ex
 	else
 		c->chanflags = FLAG_PREFERRED;
 	if (caller) {
-		strncpy(c->callernum, caller, sizeof(c->callernum));
+		strncpy(c->callernum, caller, sizeof(c->callernum) - 1);
 		c->callerplan = callerplan;
 		if ((pri->switchtype == PRI_SWITCH_DMS100) ||
 		    (pri->switchtype == PRI_SWITCH_ATT4ESS)) {
@@ -1235,13 +1434,13 @@ int q931_setup(struct pri *pri, q931_call *c, int transmode, int channel, int ex
 		c->callerpres = PRES_NUMBER_NOT_AVAILABLE;
 	}
 	if (called) {
-		strncpy(c->callednum, called, sizeof(c->callednum));
+		strncpy(c->callednum, called, sizeof(c->callednum) - 1);
 		c->calledplan = calledplan;
 	} else
 		return -1;

 	if (nonisdn && (pri->switchtype == PRI_SWITCH_NI2))
-		c->progress = Q931_CALLER_NOT_ISDN;
+		c->progress = Q931_PROG_CALLER_NOT_ISDN;
 	else
 		c->progress = -1;

@@ -1405,12 +1604,13 @@ int q931_receive(struct pri *pri, q931_h *h, int len)
 		pri->ev.ring.channel = c->channelno;
 		pri->ev.ring.callingpres = c->callerpres;
 		pri->ev.ring.callingplan = c->callerplan;
-		strncpy(pri->ev.ring.callingnum, c->callernum, sizeof(pri->ev.ring.callingnum));
+		strncpy(pri->ev.ring.callingnum, c->callernum, sizeof(pri->ev.ring.callingnum) - 1);
 		pri->ev.ring.calledplan = c->calledplan;
-		strncpy(pri->ev.ring.callednum, c->callednum, sizeof(pri->ev.ring.callednum));
+		strncpy(pri->ev.ring.callednum, c->callednum, sizeof(pri->ev.ring.callednum) - 1);
 		pri->ev.ring.flexible = ! (c->chanflags & FLAG_EXCLUSIVE);
 		pri->ev.ring.cref = c->cr;
 		pri->ev.ring.call = c;
+		pri->ev.ring.layer1 = c->userl1;
 		if (c->transmoderate != TRANS_MODE_64_CIRCUIT) {
 			q931_release(pri, c, PRI_CAUSE_BEARERCAPABILITY_NOTIMPL);
 			break;
@@ -1463,7 +1663,10 @@ int q931_receive(struct pri *pri, q931_h *h, int len)
 		pri->ev.hangup.call = c;
 		if (c->alive)
 			res = Q931_RES_HAVEEVENT;
-		else
+		else if (c->sendhangupack) {
+			res = Q931_RES_HAVEEVENT;
+			pri->ev.e = PRI_EVENT_HANGUP_ACK;
+		} else
 			res = 0;
 		q931_release_complete(pri, c);
 		/* Free resources */
Author	SHA1	Message	Date
Kevin P. Fleming	2a08465d55	remove extraneous svn:executable properties git-svn-id: https://origsvn.digium.com/svn/libpri/tags/0.3.0@266 2fbb986a-6c06-0410-b554-c9c1f0a7f128	2005-11-29 18:39:18 +00:00
Kevin P. Fleming	ebe2cae963	automatic tag renames git-svn-id: https://origsvn.digium.com/svn/libpri/tags/0.3.0@263 2fbb986a-6c06-0410-b554-c9c1f0a7f128	2005-11-27 04:17:23 +00:00
Admin Commit	ea6c293782	This commit was manufactured by cvs2svn to create tag 'v0-3-0'. git-svn-id: https://origsvn.digium.com/svn/libpri/tags/v0-3-0@24 2fbb986a-6c06-0410-b554-c9c1f0a7f128	2002-03-22 17:17:47 +00:00
Mark Spencer	05f41a4926	Version 0.3.0 from FTP git-svn-id: https://origsvn.digium.com/svn/libpri/trunk@23 2fbb986a-6c06-0410-b554-c9c1f0a7f128	2002-03-22 17:17:47 +00:00
Mark Spencer	a6bebcaafc	Version 0.3.0 from FTP git-svn-id: https://origsvn.digium.com/svn/libpri/trunk@22 2fbb986a-6c06-0410-b554-c9c1f0a7f128	2002-03-18 14:04:47 +00:00
Mark Spencer	a68a6bd01d	Version 0.3.0 from FTP git-svn-id: https://origsvn.digium.com/svn/libpri/trunk@21 2fbb986a-6c06-0410-b554-c9c1f0a7f128	2002-03-18 13:59:09 +00:00
Mark Spencer	455227676a	Version 0.3.0 from FTP git-svn-id: https://origsvn.digium.com/svn/libpri/trunk@20 2fbb986a-6c06-0410-b554-c9c1f0a7f128	2002-03-18 13:41:15 +00:00
Mark Spencer	834b8d85d7	Version 0.3.0 from FTP git-svn-id: https://origsvn.digium.com/svn/libpri/trunk@19 2fbb986a-6c06-0410-b554-c9c1f0a7f128	2002-03-16 04:17:53 +00:00
Mark Spencer	f81ba655b2	Version 0.3.0 from FTP git-svn-id: https://origsvn.digium.com/svn/libpri/trunk@18 2fbb986a-6c06-0410-b554-c9c1f0a7f128	2002-03-15 22:52:37 +00:00
Mark Spencer	8cf62085ee	Version 0.3.0 from FTP git-svn-id: https://origsvn.digium.com/svn/libpri/trunk@17 2fbb986a-6c06-0410-b554-c9c1f0a7f128	2002-02-18 14:06:31 +00:00
Mark Spencer	9ed9f37ada	Version 0.2.0 from FTP git-svn-id: https://origsvn.digium.com/svn/libpri/trunk@15 2fbb986a-6c06-0410-b554-c9c1f0a7f128	2001-12-07 19:45:45 +00:00
Mark Spencer	ecca15537d	Version 0.2.0 from FTP git-svn-id: https://origsvn.digium.com/svn/libpri/trunk@14 2fbb986a-6c06-0410-b554-c9c1f0a7f128	2001-11-29 18:09:09 +00:00
Mark Spencer	0aa2e6fe6c	Version 0.2.0 from FTP git-svn-id: https://origsvn.digium.com/svn/libpri/trunk@13 2fbb986a-6c06-0410-b554-c9c1f0a7f128	2001-11-26 02:54:32 +00:00
Mark Spencer	c84465ba47	Version 0.2.0 from FTP git-svn-id: https://origsvn.digium.com/svn/libpri/trunk@12 2fbb986a-6c06-0410-b554-c9c1f0a7f128	2001-10-18 16:21:39 +00:00