400 error response should suffice all of these. Optionally, a warning header can be added.


regards

[EMAIL PROTECTED] wrote: -----

To: <[email protected]>
From: "Ramya Jothi" <[EMAIL PROTECTED]>
Sent by: [EMAIL PROTECTED]
Date: 01/03/2006 03:57AM
Subject: [Sip-implementors] Request Uri and Uri in To header

Hi

What should be the behavior of a UA for the below 3 combinations of
request uri and uri in to header

1. A valid Request uri and an invalid uri in to header
2. A invalid Request uri and a valid uri in to header
3. Both are having invalid uri

Example:

Below Message contains a invalid uri in Request uri and a valid uri in
to header

INVITE sip:[EMAIL PROTECTED]:5060 SIP/2.0
Via: SIP/2.0/UDP 192.168.2.36:5080; branch=z9hG4bK2281757680-35326200
Max-Forwards: 70
Allow:
INVITE,BYE,CANCEL,ACK,INFO,PRACK,COMET,OPTIONS,SUBSCRIBE,NOTIFY,MESSAGE,
REFER,REGISTER,UPDATE
From: Alice ;tag=hssUA_1793538136-2085
To: John
Call-ID: 2281757680-0
CSeq: 1 INVITE
Contact: Alice
Content-Type: application/sdp
Content-Length: 276

-Regards
Ramya
" Failure is not when you fall down
       Its only when you don't get up again "

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