Hi, RFC 3261 says about From and To URI's in-dialog requests:

  12.2.1.1 Generating the Request

      Usage of the URI from the To and From fields in the original
      request within subsequent requests is done for backwards
      compatibility with RFC 2543, which used the URI for dialog
      identification.  In this specification, only the tags are used for
      dialog identification.  It is expected that mandatory reflection
      of the original To and From URI in mid-dialog requests will be
      deprecated in a subsequent revision of this specification.

I wonder if there are really RFC 3261 decives that will fail when receiving an 
in-dialog request with different From/To URI.

PD: I'm nos speaking about the From/To tags (which obviosly must be the same 
for in-dialog request), but for the From/To URI's.


Thanks a lot.



-- 
Iñaki Baz Castillo
[EMAIL PROTECTED]

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