On Sat, Dec 03, 2005 at 05:55:33PM -0800, Doug Er wrote: > I called AT&T and they said that the VoIP TA uses ports 2427, 2727, and > 30000 thru 31000. All of them are UDP. From what I've found on the > internet it doesn't use SIP.
That'd be MGCP (call agent and gateway comms, respectively), in case
you want to research the protocol further. Presumably the
udp/30000-31000 is where their RTP communications arrive/depart.
-jml
