We are testing out a ShoreTel IP phone and all ports are open but it keeps losing service and disconnecting calls. It can log in so it seems the ports are all open, however ShoreTel support is saying there might be a port that they missed when giving me the port numbers. Yeah, great tech support they have....
Anyways, I need to open the IP address of the phone up to all ports just for testing to see if it is a port issue or not. I have disabled all Antivirus and Intrusion Prevention on the SonicWall TZ205 and the issue is repeating.
I can not find anything on how to open up all ports and basically whitelist this IP for everything. Could someone help? In a big hurry.