Yealink SIP-T40G User Manual

User Guide for T4 Series IP Phones
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5. To adjust the display order of the enabled lists, select the desired list and then click
or .
6. Click Confirm.
Procedure (via phone user interface):
1. Press Directory (Dir) when the phone is idle.
The LCD screen displays the enabled list(s) in the directory
If there is only one list in the directory, press Directory (Dir) to enter this list directly.
Note
Local Directory
You can store up to 1000 contacts and 48 groups in your phone’s local directory, allowing you
If the remote phone book and LDAP are not configured in advance, you cannot view remote
phone book and LDAP lists in the phone user interface. For more information on remote phone
book, refer to Remote Phone Book. For more information on LDAP, contact your system
administrator.
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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