There is a trunk-group parameter defined for the tel uri.
(Can be used in sip uri when it contains a phone number.)
I forget what RFC it is. Would that be what you are looking for?
Paul
Aniruddha Vaidya wrote:
> Hello Everyone,
>
> I have a requirement wherein a Redirect server needs to populate
> redirected address with SIP trunking information in contact header of
> 302 response.
>
> One option that we are considering of is to use maddr parameter to
> store SIP trunking information. Can you please let me if this is the
> correct way to put trunking information in contact header or there is
> any other mechanism of doing this?
>
> Thanks in Advance!
> Aniruddha
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