Alexey Rybalko writes:
There is no such attribute in SDP payload from the
latest Mozilla (v.29).
v=0
o=Mozilla-SIPUA-29.0 371 0 IN IP4 0.0.0.0
s=SIP Call
t=0 0
a=ice-ufrag:083b4837
a=ice-pwd:dac461d48770be5e1dae6c450e144bf3
a=fingerprint:sha-256
C3:AA:DB:75:D7:60:FC:B6:94:A7:81:4F:74:A2:FF:44:4B:17:AE:D3:64:37:37:D1:AC:1A:F5:D4:86:1E:4F:7A
m=audio 52775 RTP/SAVPF 109 0 8 101
c=IN IP4 192.168.0.101
a=rtpmap:109 opus/48000/2
a=ptime:20
a=rtpmap:0 PCMU/8000
a=rtpmap:8 PCMA/8000
a=rtpmap:101 telephone-event/8000
a=fmtp:101 0-15
a=sendrecv
a=setup:actpass
a=candidate:0 1 UDP 2130444543 192.168.0.101 52775 typ host
a=candidate:0 2 UDP 2130444542 192.168.0.101 63139 typ host
a=rtcp-mux
there *is* a=setup:actpass in above.
-- juha
> Can you check if the original offer contains an
"a=setup:actpass"
> attribute? I remember Firefox having a problem with this in some
> version. This attribute is required for DTLS-SRTP and Firefox was not
> sending it. It's fixed in later versions.