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Richard Mudgett f8e6096bfe q931.c: Lucent switch implementation bug workaround (Part 2) 
Work around a bug in a Lucent switch implementation that sets the
extension bit in octet 3 even though octet 3a is present.

The same issue was seen in a NI2 switch implementation.  It was probably a
Lucent switch configured for NI2 operation.  To avoid further surprises,
I'm going to enable the work around for all North American switch types.

PRI-183
Reported by: Richard Mudgett

Change-Id: I7eedbf68b7c3d9c868d9533012e4cea5142af281
2016-10-04 14:27:59 -05:00
build_tools Use the correct branch integrated property when generating the version string. 2009-03-13 01:05:54 +00:00
doc Fixes CC agents not automatically clearing if T309 clears the original call. 2010-10-21 18:00:03 +00:00
.cleancount Adding .cleancount and .gitreview files 2016-03-24 14:55:28 -05:00
.gitignore Add .gitignore 2016-03-16 16:09:24 -05:00
.gitreview Adding .cleancount and .gitreview files 2016-03-24 14:55:28 -05:00
asn1_primitive.c Made ASN.1 memory dump also display printable characters. 2009-06-03 22:51:42 +00:00
asn1.h ROSE ASN.1 facility encode and decode rewrite of existing messages. 2009-04-21 22:08:45 +00:00
compat.h remove extraneous svn:executable properties 2005-11-29 18:39:18 +00:00
compiler.h Merged revisions 610 via svnmerge from 2008-08-05 22:18:12 +00:00
copy_string.c Merged revisions 610 via svnmerge from 2008-08-05 22:18:12 +00:00
libpri.h libpri: Add control of inband audio progress indication ie to the SETUP_ACKNOWLEDGE message. 2014-05-12 22:45:13 +00:00
LICENSE remove extraneous svn:executable properties 2005-11-29 18:39:18 +00:00
Makefile Allow passing compiler flags (CFLAGS, LDFLAGS) 2012-09-26 15:46:23 +00:00
pri_aoc.c Extract the layer 2 link structure out of struct pri. 2010-10-21 17:30:41 +00:00
pri_cc.c Make number not available presentation also set screening to network provided. 2012-03-23 19:35:23 +00:00
pri_facility.c Make number not available presentation also set screening to network provided. 2012-03-23 19:35:23 +00:00
pri_facility.h Add call transfer exchange of subaddresses support and fix PTMP call transfer signaling. 2010-12-21 16:49:30 +00:00
pri_internal.h q931.c: Tighten mandatory ie checks. 2016-02-17 20:21:18 +00:00
pri_q921.h Make PRI_DEBUG_Q921_RAW work independantly of PRI_DEBUG_Q921_DUMP 2012-02-03 23:12:57 +00:00
pri_q931.h q931.c: Made not recognize ie 0x01 for switches other than 4ESS, 5ESS, NI2, and DMS-100. 2014-11-17 23:26:55 +00:00
pri.c Adjust T202 default value to the minimum. 2014-06-02 16:27:13 +00:00
pridump.c Fix compile error in pridump.c. 2012-09-10 15:52:31 +00:00
prisched.c Crash if NFAS swaps D channels on a call with an active timer. 2011-02-16 19:23:02 +00:00
pritest.c Fix compiler warning in pritest.c. 2012-10-29 21:19:52 +00:00
q921.c q921.c: Send DM and DISC frames with only three data octets instead of an extra fourth octet. 2014-11-04 22:19:02 +00:00
q931.c q931.c: Lucent switch implementation bug workaround (Part 2) 2016-10-04 14:27:59 -05:00
README Merged revisions 311 via svnmerge from 2006-02-15 18:01:03 +00:00
rose_address.c ROSE ASN.1 facility encode and decode rewrite of existing messages. 2009-04-21 22:08:45 +00:00
rose_etsi_aoc.c ETSI Advice Of Charge (AOC) event reporting. 2010-05-28 18:03:38 +00:00
rose_etsi_cc.c Add Call Completion Suppplementary Service 2010-05-26 16:01:10 +00:00
rose_etsi_diversion.c Add COLP support to libpri for ETSI PTP, ETSI PTMP, and Q.SIG. 2009-08-18 23:53:32 +00:00
rose_etsi_ect.c Add COLP support to libpri for ETSI PTP, ETSI PTMP, and Q.SIG. 2009-08-18 23:53:32 +00:00
rose_etsi_mwi.c ETSI Message Waiting Indication (MWI) support. 2010-05-28 21:50:14 +00:00
rose_internal.h ETSI Message Waiting Indication (MWI) support. 2010-05-28 21:50:14 +00:00
rose_other.c ROSE ASN.1 facility encode and decode rewrite of existing messages. 2009-04-21 22:08:45 +00:00
rose_q931.c ROSE ASN.1 facility encode and decode rewrite of existing messages. 2009-04-21 22:08:45 +00:00
rose_qsig_aoc.c Added Q.SIG Advice-Of-Charge encode/decode routines. 2009-04-21 23:32:13 +00:00
rose_qsig_cc.c Add Call Completion Suppplementary Service 2010-05-26 16:01:10 +00:00
rose_qsig_ct.c ROSE ASN.1 facility encode and decode rewrite of existing messages. 2009-04-21 22:08:45 +00:00
rose_qsig_diversion.c Corrected standard document reference. 2009-08-07 15:53:20 +00:00
rose_qsig_mwi.c ETSI Message Waiting Indication (MWI) support. 2010-05-28 21:50:14 +00:00
rose_qsig_name.c Calling name not successfully processed on inbound QSIG PRI calls from Mitel PBX 2010-07-16 16:37:07 +00:00
rose.c DMS-100 not receiving caller name anymore. 2011-02-17 20:35:01 +00:00
rose.h ETSI Message Waiting Indication (MWI) support. 2010-05-28 21:50:14 +00:00
rosetest.c Add support to receive ECMA-164 2nd edition OID name ROSE messages. 2010-08-27 15:54:17 +00:00
testprilib.c Make pridump and testprilib compile again. 2012-08-11 00:42:04 +00:00
TODO More TODO updates 2006-02-16 19:21:30 +00:00

README 

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.