Configuring Network
53
3. Click Confirm to accept the change.
To configure H.323 tunneling via the remote control:
1. Select More->Setting->Advanced (default password: 0000)->H.323.
2. Check the H.323 Tunneling checkbox.
3. Select Save, and then press to accept the change.
Configuring your System for Firewall Traversal
A firewall protects an organization’s IP network by controlling data traffic from outside the
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 VC800 system through the
reserved ports. Users placing calls through a firewall to systems may experience one-way audio
or video if the firewall is not properly configured.
Call Setup and Media Ports
To place calls to other systems through the firewall, you must configure your firewall to allow
incoming and outgoing traffic to the system through the following:
SIP call negotiation if TCP signaling is
enabled for SIP calls.
TLS signaling in SIP calls if TLS signaling is
enabled.
Reserved ports of the system.
For more information, refer to Restricting
Reserved Ports on page 54.
50000-50499
(default range)
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