It's the RTP Stream
Asterisk by default uses ports UDP 10,000 to 20,000
RTP = Audio
Open them on your firewall.
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Andrew
Aken
Sent: 07 December 2004 15:21
To: Asterisk Users Mailing List - Non-Commercial
I'm trying to setup a Cisco ATA 186 which has a public IP address but
sits behind a firewall and connects to an Asterisk server with a NAT IP
address sitting behind a BSD firewall. The Cisco registers with the
Asterisk server without any problems, and I can place calls without any
