Cisco ATA 186 and Cisco ATA 188 Analog Telephone Adaptor Administrator’s Guide (SIP)
OL-3410-01
AppendixD SIP Call Flows
Call Flow Scenarios for Successful Calls
TableD-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