Appendix
151
Parameter
Permitted
Values
Descriptions
Web Setting Path
applicable to
SIP-T20P and
SIP-T48G/T46G
IP phones)
characters
The default value is blank.
Upload Logo
lcd_logo.delet
e =
(not
applicable to
SIP-T20P and
SIP-T48G/T46G
IP phones)
URL within
511
characters
It deletes all custom logo files.
The valid value is: http://localhost/all
The default value is blank.
phone_setting
.active_backli
ght_level =
(only
applicable to
SIP-T28P IP
phones and
the connected
EXP39, and
SIP-T48G/T46G
IP phones and
the connected
EXP40)
Integer from
1 to 3 for
SIP-T28P and
the
connected
EXP39 IP
phones.
Integer from
1 to 10 for
SIP-T48G/
T46G IP
phones and
the
connected
EXP40
It configures the level of the active
backlight intensity.
For SIP-T28P IP phones and the
connected EXP39:
The default value is 2.
For SIP-T48G IP phones and the
connected EXP40:
The default value is 10.
For SIP-T46G IP phones and the
connected EXP40:
The default value is 8.
Settings->Preferen
ce->Backlight
Active Level
phone_setting
.inactive_back
light_level =
(only
applicable to
SIP-T48G/T46G
IP phones)
0 or 1
It configures the phone to go out or
reduce intensity of the backlight on the
LCD screen after a period of inactivity.
0-Off
1-Low
The default value is 1.
Settings->
Preference->
Backlight Inactive
Level
phone_setting
.backlight_tim
e =
(not
applicable to
SIP-T21P,
0, 1, 15, 30,
60, 120, 300,
600 or 1800
It configures the backlight time (in
seconds).
For SIP-T28P/T26P/T22P IP phones:
0-Always off
1-Always on
Settings->Preferen
ce->Backlight Time
(seconds)
Summary of Contents for SIP-T2 Series
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