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12 If required, click the QoS tab.
TCP Port from - to Displays the default settings for port numbers used for signaling and control.
To modify the number of TCP ports, enter the first and last port numbers in the
range.
The number of ports is calculated as follows:
Number of simultaneous calls x 2 ports (1 signaling + 1 control).
UDP Port from - to Displays the default settings for port numbers used for audio and video.
To modify the number of UDP ports:
• Enter the first and last port numbers in the range, and the range must be 3000
ports per media card.
• When ICE environment is enabled, the range must be 6000 ports per media
card.
If you do not specify an adequate port range, the system will accept the settings but will issue a
warning. Calls will be rejected when the Collaboration Server’s ports are exceeded.
Default IP Service – Conferencing – Ports Parameters
Field Description