[SR-Users] Change the SIP-To-User

Olle E. Johansson oej at edvina.net
Fri Jan 7 11:09:41 CET 2011


7 jan 2011 kl. 10.55 skrev Alex Balashov:

> On 01/07/2011 04:52 AM, Carsten Bock wrote:
> 
>> the trick, when using "uac_replace_from" is, that it will
>> "automagically" change subsequest requests. This is required in order
>> to work with most SIP-Endpoints.
>> If you just want to change the "From" for the current request, that is fine.
> 
> I understand.  Changing To/From by a proxy has long been a thorny issue, in the sense that on the one hand those fields are purely cosmetic in strict-3261 mode, but on the other hand, changing them breaks 2543 compatibility, and it's just not something a proxy is supposed to do.
Well, that changed with a new rfc (put number here) about caller ID updates. I do not remember the proxy role, but a UA can now change From/To identities mid call, like after a call transfer in a pbx.

/O


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