[OpenSIPS-Users] RPID or FROM?

Toyima Dias toyimads at gmail.com
Mon Mar 14 18:07:32 CET 2011

Thanks Iñaki!

Best Regards!

2011/3/13 Iñaki Baz Castillo <ibc at aliax.net>

> 2011/3/11 Toyima Dias <toyimads at gmail.com>:
> > if a user wants to make a call to the pstn, where does he define the
> > originator of the call? in the from header? or using a RPID? i'm quite
> > confuse aboout this?
> Hi, this is not the correct question. A user is not a trusted node in
> the network (usually) so the user should just set the mandatory From
> header (and maybe the P-Preferred-Identity). Its outboud proxy is the
> responsible of asserting the identity of the originator (the user) and
> can append  a P-Asserted-Identity or Remote-Party-Id header containing
> the asserted identity (AoR). The proxy should ignore and remove any
> PAI or RPID header in a request coming from a user (a NON trusted
> node).
> The proxy would then route the call to some PSTN gateway which trusts
> the proxy and uses the PAI or RPID value as call line identifier.
> NOTE: The RPID header is *NOT* a standard. It's widely used but a new
> deployment should move to the standard: P-Asserted-Identity.
> For more information about how all this stuf works, please read RFC
> 3325 in which *every* detail is fully explained.
> --
> Iñaki Baz Castillo
> <ibc at aliax.net>
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