[Asterisk-Users] Can Asterisk act as a media gateway?

[Ken D'Ambrosio]

I've got an account that's looking at doing some cable/VoIP 
integration.  They were wondering if it were possible to set up 
something like this:

PSTN (T1) -> Asterisk -> (some VoIP protocol, probably SIP) -> Siemens 
soft switch -> their product

It sure sounds nice in theory, but I've never tried anything like this.  
Is there any chance it would work?

Thanks,

-Ken