Yealink SIP-T40G User Manual

Customizing Your Phone
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3. Press Save.
Administrator password is configurable via web user interface at the path Security->Password.
Configuring Key As Send
You can set the “#” key or “*” key to perform as a send key while dialing.
Procedure:
1. Navigate to Menu->Features->Others->General.
For the SIP-T48S/T48G IP phones, navigate to Menu->Features->General.
For the SIP-T42S/T42G/T41S/T41P/T40G/T40P IP phone, navigate to
Menu->Features->Key As Send.
2. Select # or * from the Key As Send field, or select Disabled to disable this feature.
3. Press Save.
Key as send is configurable via web user interface at the path Features->General Information.
Phone Lock
You can lock your phone temporarily when you are not using it. This feature helps to protect
your phone from unauthorized use.
For the SIP-T46S/T46G/T42S/T42G/T41S/T41P/T40G/T40P IP phone, the phone lock consists of
the following:
Menu Key: The Menu soft key is locked. You cannot access the menu of the
phone until unlocked.
Function Keys: The function keys are locked. You cannot use the MESSAGE, REDIAL,
HOLD, MUTE, TRANSFER, OK, Cancel, navigation keys and soft keys
until unlocked.
All Keys: All keys are locked except the Volume key, digit keys, # key, * key,
HEADSET key and Speakerphone key. You are only allowed to dial
emergency numbers, reject incoming calls by pressing the Cancel key
or the Reject soft key, answer incoming calls by lifting the handset,
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Yealink SIP-T40G Specifications

General

Mounting	Desk/Wall
Handset type	Wired handset
Product type	IP Phone
Product color	Black
Wall mountable	Yes
Wi-Fi	No
Security algorithms	AES, HTTPS, SSL/TLS
Networking standards	IEEE 802.3af
Ethernet LAN interface type	Gigabit Ethernet
Supported network protocols	FTP, TFTP, HTTP, HTTPS
Voice codecs	G.711, G.711a, G.711u, G.722, G.726, G.729ab
RJ-11 ports quantity	1
Ethernet LAN (RJ-45) ports	2
AC adapter input voltage	100 - 240 V
AC adapter output current	0.6 A
AC adapter output voltage	5 V
Power consumption (typical)	1.6 W
Certification	CE, FCC, ISO 9001
Operating temperature (T-T)	-10 - 50 °C
Operating relative humidity (H-H)	10 - 90 %
Volume control	Digital
Display diagonal	2.3 \
Display resolution	132 x 64 pixels
Lines quantity	3 lines
Phonebook capacity	1000 entries
Number of VoIP accounts	3
Number of handles included	1 pc(s)

Weight and Dimensions

Depth	175 mm
Width	212 mm
Height	54 mm