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Donat Zenichev d5eaa1c5a2 MT#56321 call_transfer: add support of 183 in failed transfers ... We have to add support for playing an early announce for those failed trasnfers, which for example reach the timeout. This means there is a need to do the following: - send 183 from early announce DSM module - receive 183 on the B2B leg, which was sending an INVITE to the transfer destination - update the caller with an actual media capabilities, so it is able to receive the early announcement The mechanism behind that is that: - if Proxy in the other leg, which was used to reach the party (to which the transfer has been done), requests the force usage of the announcement for the caller in the very first leg (with the caller who is on hold now) - then the DSM functionality adds the 'P-Early-Announce: force' header in 183 to let sems-b2b in the very first leg know, that there is a need to embed the audio from the early media into the media session with the caller. - hence, caller gets a media re-negotiation - and the leg with the DSM doesn't get updated, since it's still remains in the Early stage of the dialog All the solution is built around two important things: - Proxy uses the P-App-Param called ';force_early_announce=1' to show to the DSM that it needs a "forcive" early media, which must "override" the MoH for the caller, if it's being played. - Sems-b2b uses the header 'P-Early-Announce' to let the very original leg with sems-b2b know, that there is a need to embed early media into the already established media session with a caller Original ticket number: TT#187351 Change-Id: I2cda231e877d9ba91eaa1738322b0981618c1dbf		4 years ago
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Makefile	MT#55831 Revamp the build system	4 years ago
async_file.cpp	Imported Upstream version 1.6.0~20150612~a2d214df36	11 years ago
async_file.h	Imported Upstream version 1.6.0~20150612~a2d214df36	11 years ago
async_file_writer.cpp	Imported Upstream version 1.6.0~20150612~a2d214df36	11 years ago
async_file_writer.h	Imported Upstream version 1.6.0~20150612~a2d214df36	11 years ago
cstring.h	Imported Upstream version 1.6.0~20140516~eaa616	12 years ago
defs.h	MT#56321 call_transfer: add support of 183 in failed transfers	4 years ago
exclusive_file.cpp	Imported Upstream version 1.6.0~20150612~a2d214df36	11 years ago
exclusive_file.h	Imported Upstream version 1.6.0~20150612~a2d214df36	11 years ago
fifo_buffer.cpp	Imported Upstream version 1.6.0~20150612~a2d214df36	11 years ago
fifo_buffer.h	Imported Upstream version 1.6.0~20150612~a2d214df36	11 years ago
hash.cpp	- moved sipctrl plug-in into the core (core/sip).	17 years ago
hash.h	- moved sipctrl plug-in into the core (core/sip).	17 years ago
ip_util.cpp	Imported Upstream version 1.6.0~20140516~eaa616	12 years ago
ip_util.h	Imported Upstream version 1.6.0~20140516~eaa616	12 years ago
msg_fline.cpp	Imported Upstream version 1.6.0~20140516~eaa616	12 years ago
msg_fline.h	added OpenSSL linking exception to license	16 years ago
msg_hdrs.cpp	Imported Upstream version 1.6.0~20140516~eaa616	12 years ago
msg_hdrs.h	Imported Upstream version 1.6.0~20140516~eaa616	12 years ago
msg_logger.cpp	Imported Upstream version 1.6.0~20150612~a2d214df36	11 years ago
msg_logger.h	Imported Upstream version 1.6.0~20150612~a2d214df36	11 years ago
parse_100rel.cpp	add support for 100rel extension (prack)	16 years ago
parse_100rel.h	100rel bug fix	16 years ago
parse_common.cpp	Imported Upstream version 1.6.0~20140516~eaa616	12 years ago
parse_common.h	Imported Upstream version 1.6.0~20140516~eaa616	12 years ago
parse_cseq.cpp	added OpenSSL linking exception to license	16 years ago
parse_cseq.h	added OpenSSL linking exception to license	16 years ago
parse_dns.cpp	Imported Upstream version 1.6.0~20140516~eaa616	12 years ago
parse_dns.h	Imported Upstream version 1.6.0~20140516~eaa616	12 years ago
parse_extensions.cpp	add support for 100rel extension (prack)	16 years ago
parse_extensions.h	add support for 100rel extension (prack)	16 years ago
parse_from_to.cpp	Imported Upstream version 1.6.0~20140516~eaa616	12 years ago
parse_from_to.h	Imported Upstream version 1.6.0~20140516~eaa616	12 years ago
parse_header.cpp	Imported Upstream version 1.6.0~20140516~eaa616	12 years ago
parse_header.h	Imported Upstream version 1.6.0~20140516~eaa616	12 years ago
parse_nameaddr.cpp	Imported Upstream version 1.6.0~20140516~eaa616	12 years ago
parse_nameaddr.h	Imported Upstream version 1.6.0~20140516~eaa616	12 years ago
parse_next_hop.cpp	Imported Upstream version 1.6.0~20140516~eaa616	12 years ago
parse_next_hop.h	Imported Upstream version 1.6.0~20140516~eaa616	12 years ago
parse_route.cpp	Imported Upstream version 1.6.0~20140516~eaa616	12 years ago
parse_route.h	b/f: multiple routes within a [Record-]Route HF.	16 years ago
parse_uri.cpp	Imported Upstream version 1.6.0~20140516~eaa616	12 years ago
parse_uri.h	Imported Upstream version 1.6.0~20140516~eaa616	12 years ago
parse_via.cpp	Imported Upstream version 1.6.0~20140516~eaa616	12 years ago
parse_via.h	added OpenSSL linking exception to license	16 years ago
pcap_logger.cpp	Imported Upstream version 1.6.0~20150612~a2d214df36	11 years ago
pcap_logger.h	Imported Upstream version 1.6.0~20150612~a2d214df36	11 years ago
raw_sender.cpp	Imported Upstream version 1.6.0~20140516~eaa616	12 years ago
raw_sender.h	Imported Upstream version 1.6.0~20140516~eaa616	12 years ago
raw_sock.cpp	Imported Upstream version 1.6.0~20150612~a2d214df36	11 years ago
raw_sock.h	Imported Upstream version 1.6.0~20140516~eaa616	12 years ago
resolver.cpp	MT#55831 Fix for C++11	4 years ago
resolver.h	Imported Upstream version 1.6.0~20140516~eaa616	12 years ago
sip_parser.cpp	Imported Upstream version 1.6.0~20140516~eaa616	12 years ago
sip_parser.h	Imported Upstream version 1.6.0~20140516~eaa616	12 years ago
sip_parser_async.cpp	Imported Upstream version 1.6.0~20140516~eaa616	12 years ago
sip_parser_async.h	Imported Upstream version 1.6.0~20140516~eaa616	12 years ago
sip_timers.cpp	Imported Upstream version 1.6.0~20140516~eaa616	12 years ago
sip_timers.h	Imported Upstream version 1.6.0~20140516~eaa616	12 years ago
sip_trans.cpp	Imported Upstream version 1.6.0~20150612~a2d214df36	11 years ago
sip_trans.h	Imported Upstream version 1.6.0~20150612~a2d214df36	11 years ago
sip_ua.h	Imported Upstream version 1.6.0~20140516~eaa616	12 years ago
tcp_trsp.cpp	Imported Upstream version 1.6.0~20140516~eaa616	12 years ago
tcp_trsp.h	Imported Upstream version 1.6.0~20140516~eaa616	12 years ago
tr_blacklist.cpp	Imported Upstream version 1.6.0~20140516~eaa616	12 years ago
tr_blacklist.h	Imported Upstream version 1.6.0~20140516~eaa616	12 years ago
trans_layer.cpp	Imported Upstream version 1.6.0~20150612~a2d214df36	11 years ago
trans_layer.h	Imported Upstream version 1.6.0~20140516~eaa616	12 years ago
trans_table.cpp	Imported Upstream version 1.6.0~20140516~eaa616	12 years ago
trans_table.h	Imported Upstream version 1.6.0~20140516~eaa616	12 years ago
transport.cpp	Imported Upstream version 1.6.0~20140516~eaa616	12 years ago
transport.h	Imported Upstream version 1.6.0~20150519~ae8a42	11 years ago
udp_trsp.cpp	Imported Upstream version 1.6.0~20140516~eaa616	12 years ago
udp_trsp.h	Imported Upstream version 1.6.0~20140516~eaa616	12 years ago
wheeltimer.cpp	Imported Upstream version 1.6.0~20140516~eaa616	12 years ago
wheeltimer.h	Imported Upstream version 1.6.0~20150612~a2d214df36	11 years ago