Yealink T40G Administrator's Guide

Administrator’s Guide for SIP-T2 Series/T4 Series/T5 Series IP Phones
116
T42G/T42S/T41P/T41S/T40P/T40G/T27P/T27G/T23P/T23G/T21(P) E2: 30
Web UI
Settings->Preference->Backlight Time(seconds)
Phone UI
T54S/T52S/T48S/T48G/T46S/T46G/T29G:
Menu->Basic->Display->Backlight->Backlight Time
T42G/T42S/T41P/T41S/T40P/T40G/T27P/T27G/T23P/T23G/T21(P) E2:
Menu->Settings->Basic Settings->Display->Backlight->Backlight Time
Label Length for Line Key Display
By default, the line key label only displays the first few characters when the length of the label exceeds
the maximum length. You can specify the line key label length as needed. It is only applicable to
T54S/T48S/T48G/T46S/T46G/T29G IP phones.
When label length feature is set to Default:
When label length feature is set to Extended:
 For T54S/T46S/T46G/T29G IP phones, the display length of the line key label is extended and the
characters are displayed in one line.
 For T48S/G IP phones, the characters are displayed in two lines.
When label length feature is set to Mid Range (not applicable to T48S/G IP phones):

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