Инвайт от Тимс:

v=0
o=- 342863 0 IN IP4 127.0.0.1
s=session
c=IN IP4 52.112.147.8
b=CT:10000000
t=0 0
m=audio 52322 RTP/SAVP 104 9 103 111 18 0 8 97 101 13 118
c=IN IP4 52.112.147.8
a=rtcp:52323
a=ice-ufrag:dlLT
a=ice-pwd:xSBLUbmGLv2vmkzzaLmF7m+2
a=rtcp-mux



Отлуп от ASBCE:

SIP/2.0 488 Not Acceptable Here
Warning: 399 37.18.34.195 "Secure media rejected by security policy or sdp protocol error"


Инвайт от ASBCE:

v=0
o=sip:1100@10.X.X.X 1 10 IN IP4 Y.Y.Y.Y
s=sip:1100@10.X.X.X
c=IN IP4 Y.Y.Y.Y
b=TIAS:1920000
t=0 0
m=audio 35032 RTP/AVP 9 8 0 4 18 120
b=TIAS:64000
a=rtpmap:120 telephone-event/8000/1


Отлуп от Тимс:

SIP/2.0 488 Not Acceptable Here
REASON: Q.850;cause=79;text="63f1914a-de76-4b8c-a59e-48e8e077ce13;InternalDiagCode: SrtpEncryptionRequired, InternalErrorPhrase: Remote participant did not offer required SRTP support"