At 18:30 19/10/2007, samuel wrote:
>SIP version 1 (2543) used From header to identify the dialog so it's not 
>recommended to change the From header to be backwards compatible (is there any 
>RFC 2543 SIP endpoint around??...). 
>SIP Version 2 (RFC 3261) uses tags to identify dialogs so you should be able 
>to change the FRom header except the tag. 

and mandates backwards compatibility at the same time, which gets you back to 
square 1.

>Recently there was an RFC 4916 that specifies how to identify the connected 
>identity and how to make a change in the From but I think this is far beyond 
>what you are trying to achieve.

I'm adraid there are too many fascinating extensions in such quantity that many 
have stopped
taking care of those (sometimes for a good reason)

>There are additional headers (Remote_PartyID, and related) that can be used to 
>specify an identify of the calling party.. 

asserted identity being most adequate nowadays, I guess.

-jiri




--
Jiri Kuthan            http://iptel.org/~jiri/


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