[OpenSIPS-Users] modify TO field in the SIP message header

Iñaki Baz Castillo ibc at aliax.net
Wed Nov 12 10:51:12 CET 2008

2008/11/12 Klaus Darilion <klaus.mailinglists at pernau.at>:

> "Never changing From/To headers" is in RFC 3261 for compatibility with RFC
> 2543 which used the whole header for dialog matching. RFC 3261 only uses the
> tags - thus changing from/to is possible.
> Recently there was an RFC published which explicitly changes the from and to
> header (I can not remember the RFC number)

RFC 4916 (Connected Identity)

> with the conclusion that there
> shouldn't be any RFC 2543 clients anymore.

But just the UA's should change the From or To URI, not the proxy.

> Nevertheless, if there is a component which does routing based on To it is
> buggy.

It's very sad in fact :(

Iñaki Baz Castillo
<ibc at aliax.net>

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