Yealink SIP-T40G User Manual

User Guide for T4 Series IP Phones
202
Configuring BLA Feature on the IP Phone
You can share a BLA number on two or more phones. For example, phone A registers the
account 14019833020 (register name is 14019833020 and user name is 14084588327) and
assigns BLA number, phone B registers the account 10462190020 (register name is
10462190020, user name is 14084588327) and assigns BLA number, phone C registers the
account 14755608020. Phone A and phone B share the BLA number 14084588327. For more
information on how to register an account, refer to Registering an Account.
Configuring an Account and BLA Feature
You can configure an account on phone A and phone B separately.
Note
Procedure:
1. Register the account.
2. Click Advanced, and then select Draft BLA from the pull-down list of Shared Line.
Contact your system administrator for the account information.
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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