
MediaPack SIP User’s Manual 8. Telephony Capabilities
Version 4.6 185 June 2005
F2 10.8.201.161 ==> 10.8.201.158 180 RINGING
SIP/2.0 180 Ringing
Via: SIP/2.0/UDP 10.8.201.158;branch=z9hG4bKacolwbzYF
Server: Audiocodes-Sip-Gateway/MP-108 FXS/v.4.20.299.410
CSeq: 20214 INVITE
Supported: 100rel,em
Content-Length: 0
Note: Phone ‘2000’ answers the call, and sends 200 OK message to gateway
10.8.201.158.
F3 10.8.201.161 ==> 10.8.201.158 200 OK
SIP/2.0 200 OK
Via: SIP/2.0/UDP 10.8.201.158;branch=z9hG4bKacolwbzYF
CSeq: 20214 INVITE
Server: Audiocodes-Sip-Gateway/MP-108 FXS/v.4.20.299.410
Supported: 100rel,em
Allow: REGISTER,OPTIONS,INVITE,ACK,CANCEL,BYE,NOTIFY,PRACK,REFER,INFO
Content-Type: application/sdp
Content-Length: 208
v=0
s=Phone-Call
t=0 0
o=AudiocodesGW 30762 37542 IN IP4 10.8.201.161
c=IN IP4 10.8.201.161
m=audio 4040 RTP/AVP 8 96
a=rtpmap:8 pcma/8000
a=ptime:20
a=rtpmap:96 telephone-event/8000
a=fmtp:96 0-15
F4 10.8.201.158 ==> 10.8.201.161 ACK
Via: SIP/2.0/UDP 10.8.201.158;branch=z9hG4bKachoWSQxD
User-Agent: Audiocodes-Sip-Gateway/MP-108 FXS/v.4.20.299.410
CSeq: 20214 ACK
Supported: 100rel,em
Content-Length: 0
Note: Phone ‘6000’ goes onhook, gateway 10.8.201.161 sends BYE to gateway
10.8.201.158. Voice path is established.
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