Yealink SIP-T2 SERIES Administrator's Manual page 769

Details of Configuration Parameters:
Parameters
network.port.max_rtpport
Description:
Configures the maximum local RTP port.
Note: The value of the maximum local RTP port cannot be less than that of the
minimum local RTP port. If you change this parameter, the IP phone will reboot to
make the change take effect. It is not applicable to SIP VP-T49G IP phones.
Web User Interface:
Network->Advanced->Local RTP Port->Max RTP Port(1~65535)
Phone User Interface:
None
network.port.min_rtpport
Description:
Configures the minimum local RTP port.
Note: If you change this parameter, the IP phone will reboot to make the change
take effect. It is not applicable to SIP VP-T49G IP phones.
Web User Interface:
Network->Advanced->Local RTP Port->Min RTP Port(1~65535)
Phone User Interface:
None
To configure the minimum and maximum RTP port via web user interface:
1. Click on Network->Advanced.
Configuring Advanced Features
Permitted Values Default
Integer from 1 to
12780
65535
Integer from 1 to
11780
65535
747