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Q.951 indicates that when the presentation indicator is "Number not available due to interworking" for a number then the screening indicator field should be "Network provided". Released versions of Asterisk starting with v1.8 relesed before this patch only recognized the PRES_NUMBER_NOT_AVAILABLE value as an unavailable number. This patch improves compatibility as a result. * Made mask the presentation value for names and numbers from the upper layer. * Made pri_mwi_indicate_v2() also call q931_party_id_fixup() for completeness even though it is a noop in this case. * Made pri_pres2str() deceoode better. git-svn-id: https://origsvn.digium.com/svn/libpri/branches/1.4@2284 2fbb986a-6c06-0410-b554-c9c1f0a7f128
libpri: An implementation of Primary Rate ISDN Written by Mark Spencer <markster@digium.com> What is libpri? =============== libpri is a C implementation of the Primary Rate ISDN specification. It was based on the Bellcore specification SR-NWT-002343 for National ISDN. As of May 12, 2001, it has been tested work with NI-2, Nortel DMS-100, and Lucent 5E Custom protocols on switches from Nortel and Lucent. What is the license for libpri? =============================== libpri is distributed under the terms of the GNU General Public License, which permit its use and linking with other GPL'd software only. The GNU GPL is included in the file LICENSE in this directory. As a special exception, libpri may also be linked to the OpenH323 library, so long as the entirity of the derivative work (as defined within the GPL) is licensed either under the MPL of the OpenH323 license or the GPL of libpri. If you wish to use libpri in an application for which the GPL is not appropriate (e.g. a proprietary embedded system), licenses for libpri under more flexible terms can be readily obtained through Digium, Inc. at reasonable cost. How do I report bugs or contribute? =================================== For now, contact the author directly. In the future if there is sufficient interest, we will setup a mailing list. Does anything use this library so far? ====================================== Yes, the Asterisk Open Source PBX does. http://www.asterisk.org Also, the Zapata library has hooks for it. http://www.zapatatelephony.org Special thanks ============== Special thanks to Jim Dixon <jim@lambdatel.com> for his help in testing and fixing the implementation.