Yealink SIP-T40G User Manual

User Guide for T4 Series IP Phones
96
Procedure:
1. Navigate to Menu->Features->DSS Keys, and then select a desired line key.
2. Select Key Event from the Type field.
3. Select Voice Mail from the Key Type field.
4. Select a desired line from the Account ID field.
5. (Optional.) Enter the string that will display on the LCD screen in the Label field.
6. (Optional.) Enter voice mail code in the Value field.
7. Press Save.
Configuring Multiple Line Keys per Account
You can configure multiple line keys to associate with an account, which enhances call
visualization and simplifies call handling. To use this feature, you need to enable Auto LineKeys
feature in advanced.
Incoming calls as well as outgoing calls to/from this account will be distributed evenly among
the available line keys.
Your phone can be configured to have a combination of accounts with a single line key and
accounts with multiple line keys.
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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