[Freeswitch-users] SRTP internal calls failing for Push registered softphones

[Rasheed Kalapurackal]

Hello All ,

I configured for SIP TLS + SRTP and i was trying to make calls between 2
registered softphones.  One phone is a bria android softphone and it is
push registered from the bria's push server (FSTest2 -4002)  .  The other
phone is a softphone running on windows desktop (FSTest1 - 4001)  .  In
this scenario it was noticed that the call from 4001 to 4002 is failing
because  , the call invite being sent to the push server does not have SRTP
in it.. So it return unsupported media and is failing.   Following are the
log files for this scenario.

https://pastebin.com/J2PkFVJa

If i keep the phone 4002 in the foreground of the mobile and hence it is
directly registered with freeswitch instead of a push registerd  , it is
noticed that the call is working fine and the call from 4001 to 4002 will
ring the bria softphone 4002 because  In this case the call INVITE being
sent from the SIP server/PBX to the bria softphone contains SRTP, Following
are the logs for this scenario.

https://pastebin.com/1849GVQk

Our freeswitch version
is 1.10.7-release+git~20211024T163933Z~883d2cb662~64bit  .  I am trying to
find a solution to this issue for last 2 days without any luck.  Any help
is highly appreciated.

Thanks and Regards
Abdul Rasheed
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