Yealink T40G Administrator's Guide

Administrator’s Guide for SIP-T2 Series/T4 Series/T5 Series IP Phones
500
Variable Value
Phone Action
L1-LX
Press the line keys (for T48G/S, X=29; for
T54S/T46G/T46S/T29G, X=27; for
T42G/T42S/T41P/T41S, X=15; for
T52S/T27P/T27G, X=21; for
T40P/T40G/T23P/T23G, X=3; for T21(P) E2,
X=2).
F1-F4
Press the soft keys.
MSG
Press the MESSAGE key.
HEADSET
Press the HEADSET key.
RD
Press the RD/Redial key.
UP/DOWN/LEFT/RIGHT
Press the navigation keys.
Reboot
Reboot the phone.
AutoP
Perform auto provisioning.
DNDOn
Activate the DND feature.
Note: For Yealink IP phones, it works only if
“features.dnd.allow” is set to 1 (Enabled).
DNDOff
Deactivate the DND feature.
Note: For Yealink IP phones, it works only if
“features.dnd.allow” is set to 1 (Enabled).
number=xxx&outgoing_uri=y
Place a call to xxx from SIP URI y.
Example:
http://10.3.20.10/servlet?key=number=1234&o
utgoing_uri=1006@10.2.1.48 (1234 means the
number you dial out; 1006@10.2.1.48 means
the SIP URL you dial from.)
OFFHOOK
Pick up the handset.
ONHOOK
Hang up the handset.
ANSWER/ASW/Asw
Answer a call.
Reset
Reset a phone.
ATrans=xxx
Perform a semi-attended/attended transfer to
xxx.

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