diff --git a/pri_internal.h b/pri_internal.h
index 3f496cd..861cbdc 100644
--- a/pri_internal.h
+++ b/pri_internal.h
@@ -604,6 +604,15 @@ static inline int BRI_TE_PTMP(struct pri *mypri)
 	return pri->bri && (((pri)->localtype == PRI_CPE) && ((pri)->tei == Q921_TEI_GROUP));
 }
 
+static inline int PRI_PTP(struct pri *mypri)
+{
+	struct pri *pri;
+
+	pri = PRI_MASTER(mypri);
+
+	return !pri->bri;
+}
+
 #define Q931_DUMMY_CALL_REFERENCE	-1
 
 /*!
diff --git a/q921.c b/q921.c
index c6d9cd0..a653927 100644
--- a/q921.c
+++ b/q921.c
@@ -1220,8 +1220,8 @@ static pri_event *__q921_receive_qualified(struct pri *pri, q921_h *h, int len)
 			/* Acknowledge */
 			q921_send_ua(pri, h->u.p_f);
 			ev = q921_dchannel_down(pri);
-			if (BRI_TE_PTMP(pri)) {
-				q921_restart(pri, 0);
+			if (BRI_TE_PTMP(pri) || PRI_PTP(pri)) {
+				q921_restart(pri, PRI_PTP(pri) ? 1 : 0);
 			}
 			return ev;
 		case 3: