The following is a complete list of ports that 3CX PhoneSystem uses in a default installation scenario:
Protocol | Port (Default) | Description | |
TCP | 5000 or 80 | v14: This port can be configured when Webserver is Abyss. On IIS it is fixed to 80 v12.5: This port can be configured by the administrator. v12: The port used for the 3CX Management Console, Presence Updates for 3CX Phone V12 (and 3CX MyPhone V11), the 3CX Hotel Module, 3CX Web Reports, 3CX Wallboard – whether using Abyss or IIS. | |
TCP | 5001 or 443 | v14: This port can be configured when Webserver is Abyss. On IIS it is fixed to 443 v12.5: This port can be configured by the administrator. v12 (Optional): The port used for the 3CX Management Console, Presence Updates for 3CX Phone V12, the 3CX Hotel Module, 3CX Web Reports, 3CX Wallboard – whether using Abyss or IIS. | |
UDP & TCP | 5060 | 3CX Phone System (SIP) | |
TCP | 5061 | 3CX Phone System (SecureSIP) TLS | |
UDP & TCP | 5090 | 3CX Tunnel Protocol Service Listener | |
UDP | 9000-9255 (default) | 3CX Media Server (RTP) – WAN audio/video/t38 streams | |
UDP | 9256-9500 (default) | External media transmission for 3CX WebRTC | |
TCP | 4516 | V12.5 Port used for Data communication for Wallboard |