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res_pjsip_empty_info: Respond to empty SIP INFO packets

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Some SBCs require responses to empty SIP INFO packets
after establishing call via INVITE, if not responded to
they may drop your call after unspecified timeout of X minutes.

They are identified by having no Content-Type, check for this
and respond with 200 - OK message.

ASTERISK-24986 #close
Reported-by: Ilya Trikoz, Federico Santulli

Change-Id: Ib27e4f07151e5aef28fa587e4ead36c5b87c43e0
This commit is contained in:
snuffy
2016-05-10 12:40:08 +10:00
committed by Joshua Colp
parent acbaa1b0cf
commit 9766a12b4c
4 changed files with 105 additions and 7 deletions
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@@ -252,6 +252,12 @@ res_pjsip
will be used instead. The new SIP resolver provides NAPTR support, improved
SRV support, and AAAA record support.
res_pjsip_info_empty
--------------------
* A new module that can respond to empty Content-Type INFO packets during call.
Some SBCs will terminate a call if their empty INFO packets are not responded
to within a predefined time.
res_pjsip_outbound_registration
-------------------------------
* A new 'fatal_retry_interval' option has been added to outbound registration.
@@ -264,6 +270,7 @@ res_pjsip_outbound_publish
* Added a new multi_user option that when set to 'yes' allows a given configuration
to be used for multiple users.
CEL Backends
------------------