3Com VCX v7111 User Manual page 274

F3 10.8.201.161 ==> 10.8.201.158 200 OK SIP/2.0 200 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: 3Com-Sip-Gateway/V7111 18 PORT 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=3ComGW 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: 3Com-Sip-Gateway/V7111 18 PORT FXS/v.4.20.299.410
CSeq: 20214 ACK
Supported: 100rel,em
Content-Length: 0
Phone 6000 goes onhook, gateway 10.8.201.161 sends BYE to gateway
10.8.201.158. Voice path is established.
F5 10.8.201.161 ==> 10.8.201.158 BYE
BYE sip:2000@10.8.201.158;user=phone;user=phone SIP/2.0
Via: SIP/2.0/UDP 10.8.201.161;branch=z9hG4bKacLBzZgmA
From: <sip:6000@10.8.201.161>;tag=1c29715
To: <sip:2000@10.8.201.158>;tag=1c3535
Call-ID: 2123353775377NrpL-2000--6000@10.8.201.158
User-Agent: 3Com-Sip-Gateway/V7111 18 PORT FXS/v.4.20.299.410
CSeq: 34541 BYE
Supported: 100rel,em
Content-Length: 0
F6 10.8.201.158 ==> 10.8.201.161 200 OK
SIP/2.0 200 OK
Via: SIP/2.0/UDP 10.8.201.161;branch=z9hG4bKacLBzZgmA
From: <sip:6000@10.8.201.161>;tag=1c29715
To: <sip:2000@10.8.201.158>;tag=1c3535
Call-ID: 2123353775377NrpL-2000--6000@10.8.201.158
Server: 3Com-Sip-Gateway/V7111 18 PORT FXS/v.4.20.299.410
CSeq: 34541 BYE
Supported: 100rel,em
Content-Length: 0
274
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3Com VCX V7111 VoIP Gateway User Guide