Configuring Network87A firewall protects an organization‘s IP network by controlling data traffic from outsidethe network. Unless the firewall is designed to work with video conferencing equipment,you must configure the firewall to allow incoming and outgoing traffic to the VC110endpoint through the reserved ports. Users placing calls through a firewall to endpointsmay experience one-way audio or video if the firewall is not properly configured.You must configure your firewall to allow incoming and outgoing traffic through thefollowing ports:Description Port Range Port TypeGatekeeper 1719 UDPH.323 signal port 1720 TCPSIP (default transport protocol) 5060 UDPSIP (when selecting the TCP transportprotocol) 5060 TCPSIP (when selecting the TLS transportprotocol) 5061 TCPReserved ports of the endpoint.For more information, refer to ReservedPorts on page 87.50000-50499(default range)TCP/UDPWeb management port (optional) 443 TCPBy default, the endpoint communicates through TCP and UDP ports in the 50000 - 54999range for video, voice, presentations, and camera control. The endpoint uses only asmall number 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.
