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Matthew Jordan 5c7b830492 chan_sip: Send CANCEL via original INVITE destination even after UPDATE request ... Given the following scenario: * Three SIP phones (A, B, C), all communicating via a proxy with Asterisk * A call is established between A and B. B performs a SIP attended transfer of A to C. B sets the call on hold (A is hearing MOH) and dials the extension of C. While phone C is ringing, B transfers the call (that is, what we typically call a 'blond transfer'). * When the transfer completes, A hears the ringing of phone C, while B is idle. In the SIP messaging for the above scenario, a REFER request is sent to transfer the call. When "sendrpid=yes" is set in sip.conf, Asterisk may send an UPDATE request to phone C to update party information. This update is sent directly to phone C, not through the intervening proxy. This has the unfortunate side effect of providing route information, which is then set on the sip_pvt structure for C. If someone (e.g. B) is trying to get the call back (through a directed pickup), Asterisk will send a CANCEL request to C. However, since we have now updated the route set, the CANCEL request will be sent directly to C and not through the proxy. The phone ignores this CANCEL according to RFC3261 (Section 9.1). This patch updates reqprep such that the route is not updated if an UPDATE request is being sent while the INVITE state is INV_PROCEEDING or INV_EARLY_MEDIA. This ensures that a subsequent CANCEL request is still sent to the correct location. Review: https://reviewboard.asterisk.org/r/4279 ASTERISK-24628 #close Reported by: Karsten Wemheuer patches: issue.patch uploaded by Karsten Wemheuer (License 5930) git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/11@429982 65c4cc65-6c06-0410-ace0-fbb531ad65f3		12 years ago
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h323	Asterisk media architecture conversion - no more format bitfields	16 years ago
misdn	Fix printf problems with high ascii characters after r413586 (1.8).	12 years ago
sip	ast_str: Fix improper member access to struct ast_str members.	12 years ago
Makefile	Extract sig_ss7 out of chan_dahdi.	17 years ago
chan_agent.c	chan_agent: Prevent multiple channels from logging in as the same agent.	14 years ago
chan_alsa.c	Allow Asterisk to compile under GCC 4.10	13 years ago
chan_bridge.c	confbridge: Minor fixes playing user counts to the conference.	14 years ago
chan_console.c	chan_console: Fix reference leaks to pvt.	12 years ago
chan_dahdi.c	chan_dahdi: Don't ignore setvar when using configuration section scheme.	12 years ago
chan_gtalk.c	Allow Asterisk to compile under GCC 4.10	13 years ago
chan_h323.c	Fix printf problems with high ascii characters after r413586 (1.8).	12 years ago
chan_iax2.c	Fix printf problems with high ascii characters after r413586 (1.8).	12 years ago
chan_jingle.c	Allow Asterisk to compile under GCC 4.10	13 years ago
chan_local.c	chan_local: Only block media frames when a generator is on both ends of a local channel.	13 years ago
chan_mgcp.c	channels/chan_mgcp: Fix regression which causes gateways to be skipped	12 years ago
chan_misdn.c	Fix printf problems with high ascii characters after r413586 (1.8).	12 years ago
chan_motif.c	chan_motif: Release format capabilities and config on module load error	12 years ago
chan_multicast_rtp.c	Opaquification for ast_format structs in struct ast_channel	15 years ago
chan_nbs.c	Opaquification for ast_format structs in struct ast_channel	15 years ago
chan_oss.c	main/Makefile: Fix build failure on SmartOS/Illumos/SunOS	13 years ago
chan_phone.c	Allow Asterisk to compile under GCC 4.10	13 years ago
chan_phone.h	…
chan_sip.c	chan_sip: Send CANCEL via original INVITE destination even after UPDATE request	12 years ago
chan_skinny.c	Allow Asterisk to compile under GCC 4.10	13 years ago
chan_unistim.c	Fix printf problems with high ascii characters after r413586 (1.8).	12 years ago
chan_vpb.cc	Commit framework for HANGUPCAUSE (replacement for SIP_CAUSE)	15 years ago
console_board.c	Multiple revisions 369001-369002	14 years ago
console_gui.c	Multiple revisions 369001-369002	14 years ago
console_video.c	Multiple revisions 369001-369002	14 years ago
console_video.h	…
iax2-parser.c	Fix printf problems with high ascii characters after r413586 (1.8).	12 years ago
iax2-parser.h	Asterisk media architecture conversion - no more format bitfields	16 years ago
iax2-provision.c	iax2-provision: Fix improper return on failed cache retrieval	14 years ago
iax2-provision.h	…
iax2.h	Correct the number of available call numbers in IAX2.	14 years ago
misdn_config.c	Add named callgroups/pickupgroups	14 years ago
sig_analog.c	chan_dahdi: Populate CALLERID(ani2) for incoming calls in featdmf signaling mode.	12 years ago
sig_analog.h	Convert sig_analog to use a global callback table.	14 years ago
sig_pri.c	Fix printf problems with high ascii characters after r413586 (1.8).	12 years ago
sig_pri.h	chan_dahdi: Add inband_on_setup_ack compatibility option.	12 years ago
sig_ss7.c	chan_dahdi: CLI "core stop gracefully" has needless delay for PRI and SS7.	13 years ago
sig_ss7.h	Convert sig_ss7 to use a global callback table.	14 years ago
vcodecs.c	Fix printf problems with high ascii characters after r413586 (1.8).	12 years ago
vgrabbers.c	Multiple revisions 369001-369002	14 years ago