[Asterisk-Users] SER Interaction: Agents and Extensions

[Kevin P. Fleming]

Matthew Boehm wrote:

> If I can get re-invites working great, then I should have no worries about
> inter-office communication. SER should be able to connect 2 office-mates to
> eachother even if they are both behind the same NAT, or behind different
> NATs.

You can accomplish that with a low-end box running "siproxd" at the site 
where the UAs are. The registrations still go into Asterisk (via a 
proxy), but the media can stay local when appropriate.