Appendix D SIP Call Flows

Call Flow Scenarios for Successful Calls

Table D-8 Log Listings

1.INVITE sip:9000@192.168.2.81;user=phone SIP/2.0 Via: SIP/2.0/UDP 192.168.3.175

From: <sip:8000@192.168.2.81;user=phone>;tag=3515135869

To: <sip:9000@192.168.2.81;user=phone>

Call-ID: 557188650@192.168.3.175

CSeq: 1 INVITE

Contact: <sip:8000@192.168.3.175;user=phone;transport=udp>

User-Agent: Cisco ATA v2.12 ata186 (0928a)

Expires: 300

Content-Length: 253

Content-Type: application/sdp v=0

o=8000 177731 177731 IN IP4 192.168.3.175 s=ATA186 Call

c=IN IP4 192.168.3.175 t=0 0

m=audio 10000 RTP/AVP 0 18 8 101 a=rtpmap:0 PCMU/8000/1 a=rtpmap:18 G729/8000/1 a=rtpmap:8 PCMA/8000/1 a=rtpmap:101 telephone-event/8000 a=fmtp:101 0-15

2.SIP/2.0 100 Trying

Via: SIP/2.0/UDP 192.168.3.175

Call-ID: 557188650@192.168.3.175

From: <sip:8000@192.168.2.81;user=phone>;tag=3515135869

To: <sip:9000@192.168.2.81;user=phone>

CSeq: 1 INVITE

Content-Length: 0

3.SIP/2.0 407 Proxy Authentication Required Via: SIP/2.0/UDP 192.168.3.175 Call-ID: 557188650@192.168.3.175

From: <sip:8000@192.168.2.81;user=phone>;tag=3515135869 To:<sip:9000@192.168.2.81;user=phone>;tag=600eaef7-7c3a549a CSeq: 1 INVITE

Proxy-Authenticate: DIGEST realm=“CISCO”, nonce=“3bd76584”

Content-Length: 0

4.ACK sip:9000@192.168.2.81:5060 SIP/2.0 Via: SIP/2.0/UDP 192.168.3.175

From: <sip:8000@192.168.2.81;user=phone>;tag=3515135869 To:<sip:9000@192.168.2.81;user=phone>;tag=600eaef7-7c3a549a Call-ID: 557188650@192.168.3.175

CSeq: 1 ACK

User-Agent: Cisco ATA v2.12 ata186 (0928a)

Content-Length: 0

Cisco ATA 186 and Cisco ATA 188 Analog Telephone Adaptor Administrator’s Guide (SIP)

 

D-14

OL-3410-01

 

 

 

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Cisco Systems ATA186I2ARF manual Table D-8 Log Listings