Yealink VC Series Administrator's Manual

Also see for VC Series: Quick start guide

Contents

Configuring Network53Description Port Range Port Typemode)Reserved ports on the system.For more information, refer to ReservedPorts on page 53.50000-50499(default range)TCP/UDPHTTPS (Optional) 443 TCPH.323 1719 UDPIf the system and firewall are not properly configured, users placing calls through afirewall to systems may experience one-way audio or video.By default, the system communicates through TCP and UDP ports in the 50000 - 54999range for video, voice, presentations, and camera control. The system uses only a smallnumber of these ports during a call. The exact number depends on the number ofparticipants in the call, the protocol used, and the number of ports required for the typeof call: video or voice.The following tables identify the number of ports required per connection by protocoland the type of call.Required ports for an H.323 two-way call:Call Type Number of Required PortsVideo 8 UDP ports (6 if presentation is disabled)2 TCP portsVoice 2 UDP ports2 TCP portsEach additional video participant requires 8 UDP ports and 2 TCP ports.Each additional audio participant requires 2 UDP ports and 2 TCP ports.