Well, follow the debug log and you shall see that srtp takes precedence over zrtp in negotiation and zrtp becomes disabled if srtp is configured and enabled. Work with the secure_media var in either dialplan or profiles. I don't remember what the vars for zrtp were, but a search in the wiki will help you with.that.
ZRTP worked fine before setting up SSL/TLS SIP.
Later after configuring SSL/TLS , i found zrtp not working as expected.
My phone do send zrtp-hash, and i see...
v=0
o=9999 0 0 IN IP4 192.168.15.3
s=-
c=IN IP4 192.168.15.3
t=0 0
m=audio 5072 RTP/AVP 3 8 101
a=rtpmap:3 GSM/8000
a=rtpmap:8 PCMA/8000
a=rtpmap:101 telephone-event/8000
a=extmap:1 urn:ietf:params:rtp-hdrext:csrc-audio-level
*a=zrtp-hash:1.10
d4a3ad55fce2a0b7709a64b73e55cde31756ac5a4a261e50dafcad281bf3692a
*
and then.....
/sofia_glue.c:4037 Found audio zrtp-hash; setting r_sdp_audio_zrtp_hash=1.10
d4a3ad55fce2a0b7709a64b73e55cde31756ac5a4a261e50dafcad281bf3692a/
and later in the logs i see.....
/switch_channel.c:3100 sofia/internal/9999@198.84.61.52 ZRTP not negotiated
on both sides; disabling ZRTP passthru mode.
/
Can any one help me out?
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