Number out of service after just making a call

[cynjut (Dave Burgess)]

Have you looked at this thread:

Happiness With Sonicwalls - It can happen!

Ok - Wasted quite a bit of time this morning with a new configuration we were trying out and I thought I would post it here so that no one else has to waste the same amount of time that I did this morning. First, some general information: For a standard setup with a FreePBX/Asterisk PBX onsite, you will need the following on the Sonicwall: A Port Forwarding rule of 5060-UDP for the Incoming SIP Trunk - Sonicwalls are very AGGRESSIVE about closing that port, so if you use a SIP trunk and you…