Yealink SIP-T40G Administrator's Guide

Advanced Features
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Press OK on the phone to allow remote control. The phone will return to the previous screen.
Refresh the web page.
The browser will display an image of the phone’s current screen. You can save the image to your local sys-
tem.
l Else, the browser will display an image of the phone’s current screen directly. You can save the image to
your local system.
Note: Frequent capture may affect phone performance. Yealink recommends you to capture the phone screen display within
a minimum interval of 4 seconds.
Example: Placing a Call via Web User Interface
Procedure
1. Navigate to Directory > Phone Call Info.
2. Select the desired account from the Outgoing Identity drop-down menu.
3. Enter the callee’s number in the Dial Number field.
4. Click Dial to dial out the number.
The web user interface prompts “Call Success” and the phone will automatically dial out the number.
You can click Hang Up to end the call.

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