[Serusers] Forwarding user authentication info

[Maxim Sobolev]

John A. Hull wrote:
> I have ser running as a SIP proxy for SIP to SIP calls, and use digest
> authentication with MySQL for users. I'd like to add the ability for
> users to place calls to the PSTN through a switch that needs user
> authentication for PSTN invite requests. I have the same users set up in
> SER and on the switch, and if an invite request is made to SER for a
> PSTN number, I rewrite the host and t_relay it to the switch. My
> question is as follows: is SER able to forward user authentication info
> to the switch with the invite request? It's not obvious to me if or how
> this can be done...

It will forward this info automatically. SER doesn't strip any 
auth-related headers when forwarding the message leaving them "as is", 
so that your router should have no problem with using them for auth 
purposes.

-Maxim