All of our phones are FreePBX through Mikrotiks ( several to get out to the Internet and I don't recall doing anything special to get them to work. Do the normal network stuff, traceroute, etc. Make sure you have connectivity.
Any chance your upstream is blocking SIP traffic?

On 1/29/2015 5:21 PM, Casey Mills wrote:
I setup a FreePBX server and wanted to test a few SIP trunking services.

The SIP packets are not making it through the router from the inside of my
network. I thought it might be a fluke with the first provider, so I signed
up with a second. Same result.

I simply can not figure out why they aren't making it through. My leading
theory is FreePBX/Asterisk is changing the packet IP address, somehow
making it invalid. But I have tried setting the IP of the server to the
internal and external IP.

I am able to use an app on my phone and connect to the server from outside
of the network. Utilizing the dst-nat forwarding.

Any ideas on where to start?

Casey
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Scott Reed
Owner
NewWays Networking, LLC
Wireless Networking
Network Design, Installation and Administration
Mikrotik Advanced Certified
www.nwwnet.net
(765) 855-1060  (765) 439-4253  Toll-free (855) 231-6239


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