Yealink SIP-T40G User Manual

Basic Call Features
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2. Enter a few continuous characters of the contact name or continuous numbers of the
contact number (office, mobile or other number) to search for a desired contact.
3. Select a desired contact to dial out.
Placing a Call Back to the Last Incoming Call
You can configure a Recall key to place a call back to the last incoming call quickly.
Procedure:
1. Navigate to Menu->Features->DSS Keys.
2. Select a desired line key.
3. Select Key Event from the Type field.
4. Select ReCall from the Key Type field.
5. (Optional.) Enter the string that will display on the LCD screen in the Label field.
6. Press Save.
Recall key is configurable via web user interface at the path Dsskey->Line key.
Dialing the Hotline Number
You can configure the hot line feature with a hotline number and hotline delay. Then the IP
phone will dial out the hotline number automatically after the delay time when you lift the
handset, press the Speakerphone key or the line key.
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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