Yealink SIP-T40G User Manual

Available Features with Optional Accessories
229
expansion module.
Assigning the Features for Ext Keys
If EXP40 is connected to the phone, you can customize features for ext keys.
Procedure:
1. Long press the desired ext key on EXP40.
The IP phone LCD screen will enter the user setting interface of this key.
2. Customize the specific feature for this key on the IP phone.
3. Press Save.
Ext keys are configurable via web user interface at the path Dsskey->Ext Key.
Adjusting the Contrast of Expansion Module EXP40
You can configure the contrast of the expansion module EXP40 via the host phone.
Procedure:
1. Navigate to Menu->Basic->Display->Contrast.
If EXP40 is not connected to the phone, the Contrast screen displays "No EXP".
2. Select the desired value between 1 and 10 (highest intensity) from the Contrast field.
3. Press Save.
Adjusting the Backlight of Expansion Module EXP40
When you change the backlight intensity settings on your SIP-T48S/T48G/T46G/T46S IP phone,
the backlight on EXP40 connected to your phone automatically changes to match the new
settings. For more information on how to configure the backlight, refer to Configuring the
Backlight.
Downloaded from ManualsNet.com search engine

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