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382e7e5c86
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Richard Mudgett 382e7e5c86 Added ETSI Explicit Call Transfer (ECT) support. 
Added ability to send and receive ETSI ECT messages to eliminate tromboned
calls.

Added ETSI support to an existing API call to send ECT messages when the
upper level indicates to transfer specified calls.

The libpri API was extended to indicate to the upper layer that the far
end requests the transfer of the indicated calls.

Review:	https://reviewboard.asterisk.org/r/521/


git-svn-id: https://origsvn.digium.com/svn/libpri/branches/1.4@1723 2fbb986a-6c06-0410-b554-c9c1f0a7f128
2010-05-28 15:19:08 +00:00
build_tools Use the correct branch integrated property when generating the version string. 2009-03-13 01:05:54 +00:00
doc Add Call Completion Suppplementary Service 2010-05-26 16:01:10 +00:00
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 Added ETSI Explicit Call Transfer (ECT) support. 2010-05-28 15:19:08 +00:00
LICENSE remove extraneous svn:executable properties 2005-11-29 18:39:18 +00:00
Makefile Add Call Completion Suppplementary Service 2010-05-26 16:01:10 +00:00
pri_cc.c Add Call Completion Suppplementary Service 2010-05-26 16:01:10 +00:00
pri_facility.c Added ETSI Explicit Call Transfer (ECT) support. 2010-05-28 15:19:08 +00:00
pri_facility.h Added ETSI Explicit Call Transfer (ECT) support. 2010-05-28 15:19:08 +00:00
pri_internal.h Added ETSI Explicit Call Transfer (ECT) support. 2010-05-28 15:19:08 +00:00
pri_q921.h Merge of Q.921 rewrite branch for wider testing. 2010-01-13 19:37:59 +00:00
pri_q931.h Add Call Completion Suppplementary Service 2010-05-26 16:01:10 +00:00
pri.c Added ETSI Explicit Call Transfer (ECT) support. 2010-05-28 15:19:08 +00:00
pridump.c PTMP NT mode call reference value ambiguity. 2010-04-19 22:40:41 +00:00
prisched.c Add Call Completion Suppplementary Service 2010-05-26 16:01:10 +00:00
pritest.c Merged revisions 610 via svnmerge from 2008-08-05 22:18:12 +00:00
q921.c It's amazing what a tiny bug in the Q.921 SDL diagram can do to cause trouble.... Fix issue where V_R was not reset and N_R was consequentially transmitted incorrectly. Particularly in layer 2 initiated re-establishments. 2010-05-19 21:30:34 +00:00
q931.c Added ETSI Explicit Call Transfer (ECT) support. 2010-05-28 15:19:08 +00:00
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 ROSE ASN.1 facility encode and decode rewrite of existing messages. 2009-04-21 22:08:45 +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_internal.h Add Call Completion Suppplementary Service 2010-05-26 16:01:10 +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 ROSE ASN.1 facility encode and decode rewrite of existing messages. 2009-04-21 22:08:45 +00:00
rose_qsig_name.c ROSE ASN.1 facility encode and decode rewrite of existing messages. 2009-04-21 22:08:45 +00:00
rose.c Add Call Completion Suppplementary Service 2010-05-26 16:01:10 +00:00
rose.h Add Call Completion Suppplementary Service 2010-05-26 16:01:10 +00:00
rosetest.c Add Call Completion Suppplementary Service 2010-05-26 16:01:10 +00:00
testprilib.c Merged revisions 610 via svnmerge from 2008-08-05 22:18:12 +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.