Cisco ATA-186 Administration Guide - Page 185
CiscoATA-to-SIP Server—Registration with Authentication
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Appendix D SIP Call Flows Call Flow Scenarios for Successful Calls Table D-2 Log Listings 1. REGISTER sip:192.168.2.97 SIP/2.0 Via: SIP/2.0/UDP 192.168.2.194 From: To: Call-ID: [email protected] CSeq: 1 REGISTER Contact: ;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: [email protected] From: To: CSeq: 1 REGISTER Content-Length: 0 3. SIP/2.0 200 OK Via: SIP/2.0/UDP 192.168.2.194 Call-ID: [email protected] From: To: CSeq: 1 REGISTER Contact: ;expires="tue, 23 Oct 2001 14:24:57 GMT" Expires: 3600 Content-Length: 0 Cisco ATA-to-SIP Server-Registration with Authentication Figure D-2 illustrates the Cisco ATA registering with the SIP server. Authentication is required for registration. The call flow is as follows: 1. Cisco ATA requests registration. 2. SIP server requests authentication credential. 3. Authentication is received and registration is completed. OL-3410-01 Cisco ATA 186 and Cisco ATA 188 Analog Telephone Adaptor Administrator's Guide (SIP) D-3