Sangoma talk not regestering on lan

I have setup sangoma talk as per instructions
Everything works well besides that we cannot place calls when on the lan/wifi . We have a public static ip all fw rules in place . We can receive calls however . Works perfectly fine when on any other network.

Were do i start looking ?

You stay registered, but cannot make calls? You could look at the call logs, but if it works “everywhere” else, you are painting a firewall picture.

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Not regestering when on the lan , this is the same lan the pbx is on

We have a edge router firewall before the pbx . All rules in order otherwise it would not work from outside the network

Wireshark, see where its dropping.

I had this problem when first setting up Sangoma Talk when it first released. Id have to dig through this to remember what it was exactly that fixed the Sangoma Talk working perfectly outside the local LAN but would not register when on the local LAN of the PBX.

Doesnt Sangoma Talk Service run on HTTPS only and must resolve to your FQDN? Does your FQDN resolve to your PBX local LAN IP when inside your LAN? If not, you may need to make a DNS entry in your firewall/router and point your FQDN to your PBX LAN IP…

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