Parameter
Default
value
Description
P1302
0
Specifies the receiving gain of the headset. Assign any of the
following values:
• 0: 0 decibel
• 1: –6 decibel
• 2: +6 decibel
P1464
Specifies the transmission gain of the handset. Assign any of
the following values:
• 0: 0 decibel
• 1: –6 decibel
• 2: +6 decibel
LCD display parameter
Parameter
Default
value
Description
P1329
10
Specifies the LCD contrast level. Specify any value in the range
of 0 to 20.
Date and time parameters
Parameter
Default value
Description
P30
Specifies the URL or IP
address of the NTP server.
The phone can obtain the
date and time from the
server.
P144
1
Specifies whether the DHCP
Option 42 overrides the NTP
Administering through the configuration file
96 Administering Avaya E129 SIP Deskphone
April 2014