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Kevin Harwell 72499dc697 chan_pjsip: Race between channel answer and bridge setup when using direct media 
When direct media is enabled and a pjsip channel is answered a race would occur
between the handling of the answer and bridge setup. Sometimes the media
negotiation would take place after the native bridge was setup. This resulted
in a NULL media address, which in turn resulted in Asterisk using its address
as the remote media address when sending a reinvite.  This patch makes the
chan_pjsip answer handler synchronous thus alleviating the race condition (the
bridge won't start setting things up until after it returns).

ASTERISK-24563 #close
Reported by: Steve Pitts
Review: https://reviewboard.asterisk.org/r/4257/
........

Merged revisions 429477 from http://svn.asterisk.org/svn/asterisk/branches/13


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@429478 65c4cc65-6c06-0410-ace0-fbb531ad65f3
 		2014-12-12 15:31:38 +00:00
..
dahdi media formats: re-architect handling of media for performance improvements 2014-07-20 22:06:33 +00:00
iax2 chan_iax2: Several media format fixes. 2014-08-07 18:51:16 +00:00
misdn Allow mISDN to send PROGRESS messsage. 2013-05-10 22:12:52 +00:00
pjsip chan_pjsip: Add support for passing hold and unhold requests through. 2014-11-03 14:45:01 +00:00
sip ast_str: Fix improper member access to struct ast_str members. 2014-11-19 17:22:29 +00:00
Makefile Remove many deprecated modules 2014-07-04 13:26:37 +00:00
chan_alsa.c Add module support level to ast_module_info structure. Print it in CLI "module show" . 2014-07-25 16:47:17 +00:00
chan_bridge_media.c Add module support level to ast_module_info structure. Print it in CLI "module show" . 2014-07-25 16:47:17 +00:00
chan_console.c chan_console: Fix reference leaks to pvt. 2014-11-08 18:20:43 +00:00
chan_dahdi.c main/stasis: Allow subscriptions to use a threadpool for message delivery 2014-12-01 17:59:21 +00:00
chan_dahdi.h chan_dahdi: Adds support for major update to libss7. 2014-06-16 18:27:51 +00:00
chan_iax2.c main/stasis: Allow subscriptions to use a threadpool for message delivery 2014-12-01 17:59:21 +00:00
chan_mgcp.c main/stasis: Allow subscriptions to use a threadpool for message delivery 2014-12-01 17:59:21 +00:00
chan_misdn.c chan_pjsip: Fix deadlock when masquerading PJSIP channels. 2014-10-03 17:47:42 +00:00
chan_motif.c chan_motif / chan_pjsip: Fix incorrect "No such module" messages when reloading. 2014-11-15 19:01:21 +00:00
chan_nbs.c Add module support level to ast_module_info structure. Print it in CLI "module show" . 2014-07-25 16:47:17 +00:00
chan_oss.c Add module support level to ast_module_info structure. Print it in CLI "module show" . 2014-07-25 16:47:17 +00:00
chan_phone.c Fix building chan_phone on big endian systems 2014-10-29 13:02:27 +00:00
chan_phone.h rename DialTone.h to chan_phone.h because chan_phone.c is the only file using it 2008-05-28 20:00:21 +00:00
chan_pjsip.c chan_pjsip: Race between channel answer and bridge setup when using direct media 2014-12-12 15:31:38 +00:00
chan_rtp.c chan_rtp: Add unicast RTP support. 2014-09-12 17:42:15 +00:00
chan_sip.c res_http_websocket: Fix crash due to double freeing memory when receiving a payload length of zero. 2014-12-10 13:35:52 +00:00
chan_skinny.c main/stasis: Allow subscriptions to use a threadpool for message delivery 2014-12-01 17:59:21 +00:00
chan_unistim.c Add additional checks for NULL pointers to fix several crashes reported. 2014-10-30 06:15:14 +00:00
chan_vpb.cc media formats: re-architect handling of media for performance improvements 2014-07-20 22:06:33 +00:00
console_board.c Multiple revisions 369001-369002 2012-06-15 16:20:16 +00:00
console_gui.c Multiple revisions 369001-369002 2012-06-15 16:20:16 +00:00
console_video.c Multiple revisions 369001-369002 2012-06-15 16:20:16 +00:00
console_video.h implement the 'freeze' function for incoming frames; 2008-06-30 15:45:15 +00:00
misdn_config.c Add named callgroups/pickupgroups 2012-08-07 12:46:36 +00:00
sig_analog.c res_smdi: convert to astobj2 2014-07-21 08:41:29 +00:00
sig_analog.h Convert sig_analog to use a global callback table. 2012-08-08 20:32:53 +00:00
sig_pri.c main/stasis: Allow subscriptions to use a threadpool for message delivery 2014-12-01 17:59:21 +00:00
sig_pri.h chan_dahdi: Add inband_on_setup_ack compatibility option. 2014-07-03 22:22:36 +00:00
sig_ss7.c chan_dahdi: Adds support for major update to libss7. 2014-06-16 18:27:51 +00:00
sig_ss7.h chan_dahdi: Adds support for major update to libss7. 2014-06-16 18:27:51 +00:00
vcodecs.c Multiple revisions 369001-369002 2012-06-15 16:20:16 +00:00
vgrabbers.c Multiple revisions 369001-369002 2012-06-15 16:20:16 +00:00