Administrator’s Guide for Yealink Video Conferencing Systems
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3. In the Reserve Port block, configure the TCP port range in the TCP Port Scope field.
4. Click Confirm to accept the change.
A dialog box pops up to prompt that the settings will be implemented after a reboot.
5. Click Confirm to reboot the system immediately.
To configure reserved ports via the remote control:
1. Select Menu->Advanced (default password: 0000) ->NAT/Firewall.
2. In the Reserved block, configure the range of the UDP ports and TCP ports.
3. Press the Save soft key to accept the change.
The display device prompts “Reboot now?”.
4. Select OK to reboot the system immediately.