MP-1xx SIP
MP-1xx SIP User’s Manual 162 Document #: LTRT-65404
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
From: <sip:2000@10.8.201.158>;tag=1c3535
To: <sip:6000@10.8.201.161>;tag=1c29715
Call-ID: 2123353775377NrpL-2000--6000@10.8.201.158
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
From: <sip:2000@10.8.201.158>;tag=1c3535
To: <sip:6000@10.8.201.161>;tag=1c29715
Call-ID: 2123353775377NrpL-2000--6000@10.8.201.158
CSeq: 20214 INVITE
Contact: <sip:6000@10.8.201.161;user=phone>
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
ACK sip:6000@10.8.201.161;user=phone;user=phone SIP/2.0
Via: SIP/2.0/UDP 10.8.201.158;branch=z9hG4bKachoWSQxD
From: <sip:2000@10.8.201.158>;tag=1c3535
To: <sip:6000@10.8.201.161>;tag=1c29715
Call-ID: 2123353775377NrpL-2000--6000@10.8.201.158
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.