Yealink SIP-T21 E2

Administrator’s Guide for SIP-T2 Series/T19(P) E2/T4 Series/T5 Series/CP860/CP920 IP Phones
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Procedure
RTP ports can be configured using the following methods.
Central Provisioning
(Configuration File)
<y0000000000xx>.cfg
Configure RTP ports.
Parameters:
static.network.port.max_rtpport
static.network.port.min_rtpport
Web User Interface
Configure RTP ports.
Navigate to:
http://<phoneIPAddress>/servlet?p
=network-adv&q=load
Details of Configuration Parameters:
Parameters
Permitted Values
Default
static.network.port.min_rtpport
Integer from 1 to
65535
11780
Description:
Configures the minimum local RTP port.
Note: If you change this parameter, the IP phone will reboot to make the change take
effect.
Web User Interface:
Network->Advanced->Local RTP Port->Min RTP Port(1~65535)
Phone User Interface:
None
static.network.port.max_rtpport
Integer from 1 to
65535
12780
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 (configured by the parameter “static.network.port.min_rtpport”). If you
change this parameter, the IP phone will reboot to make the change take effect.
Web User Interface:
Network->Advanced->Local RTP Port->Max RTP Port(1~65535)
Phone User Interface:
None