[Freeswitch-users] SRTP call between two extensions.

[Iskren Hadzhinedev]

Hello, everyone!
I'm having trouble with SRTP calls between two internal extensions.
Whenever I configure the phones to require SRTP calls fail and the freeswitch console shows:
 [INFO] mod_dptools.c:3201 Originate Failed.  Cause: INCOMPATIBLE_DESTINATION
If I select "allow SRTP" so that encryption is not mandatory I get encryption on a single leg in a call.
Here's an example of what's happening:
Extension 100 -- SRTP --> FreeSWITCH -- RTP --> 102 (call success)
Extension 100 -- RTP --> FreeSWITCH  -- SRTP --> 102 (call success)
Extension 100 -- SRTP --> FreeSWITCH -- SRTP --> 102 (call fail: INCOMPATIBLE_DESTINATION)

I've setup the sip_secure_media=true variable as instructed from 
https://wiki.freeswitch.org/wiki/Secure_RTP
but it's still not working. Any help is greatly appreciated!

Kind regards,
-- 
Iskren Hadzhinedev
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