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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The following figure shows an example of label display when it is set to 2 chars:
The following figure shows an example of label display when it is set to No Label:
Procedure
Linekey length in short can be configured using the following methods.
Central Provisioning
(Configuration File)
<y0000000000xx>.cfg
Configure linekey length in short.
Parameter:
features.config_dsskey_length.short
en
Web User Interface
Configure linekey length in short.
Navigate to:
http://<phoneIPAddress>/servlet?
p=dsskey&model=1&q=load&line
page=1
Details of the Configuration Parameter:
Parameter
Permitted Values
Default
features.config_dsskey_length.shorten
0 or 1
1
Description:
Configures the label length in short of line key displayed on LCD screen when the phone