Proxy MUST forward all the headers in the SIP message. This ensures that
the protocol can be extended in future without any need for code change.
See section 16.1 RFC 3261.
This protocol is designed to be extended. Future extensions may
define new methods and header fields at any time. An element MUST
NOT refuse to proxy a request because it contains a method or
header field it does not know about.
Thanks,
Neel
> -----Original Message-----
> From: [EMAIL PROTECTED] [mailto:sip-implementors-
> [EMAIL PROTECTED] On Behalf Of Michael Hirschbichler
> Sent: Saturday, May 05, 2007 9:00 AM
> To: [email protected]
> Subject: [Sip-implementors] Adding own headers to SIP-messages
>
> Hi!
>
> I was wondering, what should be or is the default behaviour of a
> Proxy/UA when it receives an unknown header, like "S-something:
> somewhere".
> I guess, the Proxy ignores this header and forwards the SIP message to
> the callee including this header. Is this correct?
>
> Best regards
> Michae
>
>
> --
> Michael Hirschbichler, Dipl.-Ing.
> Institut fuer Breitbandkommunikation
> Technische Universitaet Wien
> A-1040 Wien, Favoritenstr. 9-11/388
> Tel: +43 1 58801 38846
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