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2.3 Request for Current Contact List

Description:

Bob sends a register request to the Proxy Server containing no Contact headers, indicating the user wishes to query the server for the user's current contact list.  Since the user already has authenticated with the server, the user supplies authentication credentials with the request and  is not challenged by the server. The SIP server validates the user's credentials.  The server returns a response (200 OK) which includes the  user's current registration list in Contact headers.

 

2.2 Update of Contact List

Description:

Bob wishes to update the list of addresses where the SIP server will redirect or forward INVITE requests.

2.1 Successful New Registration

Description:

2. SIP Registration

1. SIP Session Establishment

1.11 Unsuccessful Temporarily Unavailable

Click on the message during the exchange

 

1.10 Unsuccessful No Response from User Agent

Click on the message during the exchange

 

1.9 Unsuccessful Busy

Click on the message during the exchange

 

1.8 Unsuccessful No Answer

Click on the message during the exchange

 

1.7 Session with re-INVITE (IP Address Change)

Click on the message during the exchange

 

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