Resolved! 3CX (Phone System) calls are disconnecting randomly
Dear Community Team, One of the customer is facing issues on 3CX call system after upgrading to new firewall PA-3220 recently. It was Forcepoint Firewall used by the customer earlier and working fine. Note: 3CX is a software-based private branch exchange based on the SIP standard. Setup:- 3CX server has been hosted outside with public IP directl...




