
Appendix D SIP Call Flows
Call Flow Scenarios for Successful Calls
Table D-6 Log Listings (continued)
4.SIP/2.0 100 Trying
Via: SIP/2.0/UDP
Via: SIP/2.0/UDP 192.168.3.175
From: <sip:8000@192.168.2.97;user=phone>;tag=2819471139
To: <sip:9000@192.168.2.97;user=phone>;tag=909616993
CSeq: 1 INVITE
Server: Cisco ATA v2.12 ata186 (0928a)
5.SIP/2.0 180 Ringing
Via: SIP/2.0/UDP
Via: SIP/2.0/UDP 192.168.3.175
From: <sip:8000@192.168.2.97;user=phone>;tag=2819471139
To: <sip:9000@192.168.2.97;user=phone>;tag=909616993
CSeq: 1 INVITE
Server: Cisco ATA v2.12 ata186 (0928a)
6.SIP/2.0 180 Ringing
Via: SIP/2.0/UDP 192.168.3.175
From: <sip:8000@192.168.2.97;user=phone>;tag=2819471139
To: <sip:9000@192.168.2.97;user=phone>;tag=909616993
CSeq: 1 INVITE
Server: Cisco ATA v2.12 ata186 (0928a)
7.SIP/2.0 200 OK
Via: SIP/2.0/UDP
Via: SIP/2.0/UDP 192.168.3.175
From: <sip:8000@192.168.2.97;user=phone>;tag=2819471139
To: <sip:9000@192.168.2.97;user=phone;tag=909616993
CSeq: 1 INVITE
Contact: <sip:9000@192.168.2.194;user=phone;transport=udp>
Server: Cisco ATA v2.12 ata186 (0928a)
o=9000 206275 206275 IN IP4 192.168.2.194 s=ATA186 Call
c=IN IP4 192.168.2.194 t=0 0
m=audio 10000 RTP/AVP 0 101 a=rtpmap:0 PCMU/8000/1 a=rtpmap:101
Cisco ATA 186 and Cisco ATA 188 Analog Telephone Adaptor Administrator’s Guide (SIP)
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