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Written by Hemanshu Patel
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Thursday, 08 November 2007 |
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Page 4 of 17
2.3. Request for Current Contact List
Bob SIP Server
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| REGISTER F1 |
|------------------------------>|
| 200 OK F2 |
|<------------------------------|
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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.
Message Details
F1 REGISTER Bob -> SIP Server
REGISTER sips:ss2.biloxi.example.com SIP/2.0
Via: SIP/2.0/TLS client.biloxi.example.com:5061;branch=z9hG4bKnashds7
Max-Forwards: 70
From: Bob <sips:
This e-mail address is being protected from spam bots, you need JavaScript enabled to view it
>;tag=a73kszlfl
To: Bob <sips:
This e-mail address is being protected from spam bots, you need JavaScript enabled to view it
>
Call-ID:
This e-mail address is being protected from spam bots, you need JavaScript enabled to view it
CSeq: 1 REGISTER
Authorization: Digest username="bob", realm="atlanta.example.com",
nonce="df84f1cec4341ae6cbe5ap359a9c8e88", opaque="",
uri="sips:ss2.biloxi.example.com",
response="aa7ab4678258377c6f7d4be6087e2f60"
Content-Length: 0
F2 200 OK SIP Server -> Bob
SIP/2.0 200 OK
Via: SIP/2.0/TLS client.biloxi.example.com:5061;branch=z9hG4bKnashds7
;received=192.0.2.201
From: Bob <sips:
This e-mail address is being protected from spam bots, you need JavaScript enabled to view it
>;tag=a73kszlfl
To: Bob <sips:
This e-mail address is being protected from spam bots, you need JavaScript enabled to view it
>;tag=jqoiweu75
Call-ID:
This e-mail address is being protected from spam bots, you need JavaScript enabled to view it
CSeq: 1 REGISTER
Contact: <sips:
This e-mail address is being protected from spam bots, you need JavaScript enabled to view it
>;expires=3600
Contact: <mailto:
This e-mail address is being protected from spam bots, you need JavaScript enabled to view it
>;expires=4294967295
Content-Length: 0
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