I’m having an issue where internet will go down at one of my sites. It doesn’t stay down but when it comes back up all the phones on site lose registration with endpoint (FreePBX is in a datacenter, not onsite). What setting in FreePBX 14 will allow me to make it so the phone register again when in…

So as it turns out this was not fixed by changing the provisioning protocol. Since we only started noticing this behavior after we moved all traffic to the IPSEC tunnel we researched the behavior. We learned that the problem was that our firewalls were trying to keep the SIP sessions active only usi…

Internet goes down temporarily and phones lose registration. Phones never come back up

FreePBX Endpoints

cynjut (Dave Burgess) August 12, 2019, 3:49pm 2

I assume you’re using PJ-SIP for your phones.

This sounds familiar: