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-4 Log Listings
1. REGISTER sip:192.168.2.81 SIP/2.0
Via: SIP/2.0/UDP 192.168.2.194
From: <sip:9301@192.168.2.81;user=phone>
To: <sip:9301@192.168.2.81;user=phone>
Call-ID: 311316842@192.168.2.194
CSeq: 1 REGISTER
Contact: <sip:9301@192.168.2.194;user=phone;transport=udp>;expires=3600
User-Agent; Cisco ATA v2.10 ata186 (0705a)
Content-Length: 0
2. SIP/2.0 100 Trying
Via: SIP/2.0/UDP 192.168.2.194
Call-ID: 311316842@192.168.2.194
From: <sip:9301@192.168.2.81;user=phone>
To: <sip:9301@192.168.2.81;user=phone>
CSeq: 1 REGISTER
Content-Length: 0
3. SIP/2.0 407 Proxy Authentication Required
Via: SIP/2.0/UDP 192.168.2.194
Call-ID:311316842@192.168.2.194
From: <sip:9301@192.168.2.81;user=phone>
To: <sip:9301@192.168.2.81;user=phone>
CSeq: 1 REGISTER
Proxy-Authenticate: DIGEST realm=“CISCO”, nonce=“3bd5e334”
Content-Length: 0
4. REGISTER sip:192.168.2.81 SIP/2.0
Via: SIP/2.0/UDP 192.168.2.194
From: <sip:9301@192.168.2.81;user=phone>
To: <sip:9301@192.168.2.81;user=phone>
Call-ID: 311316842@192.168.2.194
CSeq: 2 REGISTER
Contact: <sip:9301@192.168.2.194;user=phone;transport=udp>;expires=3600
User-Agent: Cisco ATA v2.10 ata186 (0705a)
Proxy-Authorization: Digest
username=“9301”,realm=“CISCO”,nonce=“3bd5e334”,uri=“sip:192.168.2.81”,response=“87ac0afeb08222af706
f9e8b5c566ce2”
Content-Length: 0
5. SIP/2.0 100 Trying
Via: SIP/2.0/UDP 192.168.2.194
Call-ID: 311316842@192.168.2.194
From: <sip:9301@192.168.2.81;user=phone>
To: <sip:9301@192.168.2.81;user=phone>
CSeq: 2 REGISTER
Content-Length: 0
6. SIP/2.0 200 OK
Via: SIP/2.0/UDP 192.168.2.194
Call-ID: 311316842@192.168.2.194
From: <sip:9301@192.168.2.81;user=phone>
To: <sip:9301@192.168.2.81;user=phone>
CSeq: 2 REGISTER
Contact: <sip:9301@192.168.2.194;user=phone;transport=udp>;expires=“tue, 23 Oct 2001 22:37:56 GMT”
Expires: 3600
Content-Length: 0