[Serusers] SER & PSTN gateways (Ovislink?)

[Tom]

On Wed, 24 Mar 2004, Klaus Darilion wrote:

...
> The gateway should only accept requests fromt he IP address of your
> proxy and only TCP requests (UDP can be spoofed).

  Some gateways (Vegastream, Patton) say they support DIGEST SIP security.
How does this work?  Is SER expected to add an authentication password to
the SIP request before routing it to the PSTN gateway?

> klaus

Tom