List of Required Ports and Settings on Router

Agent Application and Admin Application Ports:

943, 4530, 4531 - TCP

Router Feature:

Also, disable SIP ALG. This should be found on router/modem firewall settings.

Standard VoIP ports:

5060 UDP/TCP (when doing port triggerring in firewalls, trigger this port first. If everything works you do not have to trigger the others)

8000-8005 UDP/TCP

10000-50000 UDP