Yealink T40G Administrator's Guide

Administrator’s Guide for SIP-T2 Series/T4 Series/T5 Series IP Phones
110
Phone Model
Format
Resolution
Single File Size
Note
T48G/S
bmp/*.jpeg
<=2.0 megapixels
<=5MB
be reserved
for the
phone
T46G/T46S/T29G
<=1.8 megapixels
<=5MB
Screensaver Configuration
The following table lists the parameters you can use to configure screensaver.
Parameter
screensaver.wait_time
<y0000000000xx>.cfg
Description
It configures the time (in seconds) to wait in the idle state before the screen saver
starts.
Permitted
Values
15-15s
30-30s
60-1min
120-2min
300-5min
600-10min
1800-30min
3600-1h
7200-2h
10800-3h
21600-6h
Default
21600
Web UI
Settings->Preference->Screensaver Wait Time
Phone UI
T54S/T52S/T48S/T48G/T46S/T46G/T29G:
Menu->Basic->Display->Screensaver->Wait Time
T42G/T42S/T41P/T41S/T40P/T40G/T27P/T27G/T23P/T23G/T21(P) E2/T19(P) E2:
Menu->Settings->Basic Settings->Display->Screensaver->Wait Time(s)
Parameter
screensaver.display_clock.enable
<y0000000000xx>.cfg
Description
It enables or disables the IP phone to display the clock and icons when the screen
saver starts.
Note: It works only if “screensaver.type” is set to 0 (System) or 1 (Custom). It is only
applicable to T54S/T52S/T48S/T48G/T46S/T46G/T29G IP phones.
Permitted
Values
0-Disabled

Yealink T40G Specifications

General

SIP Accounts	3
Wall Mountable	Yes
Opus Codec	No
Display	2.3 inch 132x64-pixel graphical LCD
Network	Dual-port Gigabit Ethernet
PoE	Yes
Headset Support	Yes, RJ9 port
Power Adapter	Optional
Voice Codecs	G.722, G.711(A/μ), G.729AB, G.726
Local Phonebook	1000 entries