Yealink SIP-T40G User Manual

User Guide for T4 Series IP Phones
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2. Enter the time between 0 and 14 (seconds) in the Time Out for Dial Now Rule field.
3. Click Confirm.
Configuring the Area Code
Area codes are also known as Numbering Plan Areas (NPAs) which are encoded numerically
with a phone number prefix, allowing you to dial a phone number which does not belong to
your plan area. For example, an area code is configured as "Code: 0592, Min Length: 1, Max
Length: 15". When you dial out the number "56789" (the length of the number should be
between 1 and 15), the phone will add the area code and dial out the number "059256789". You
can only configure one area code rule on your phone.
Procedure:
1. Click Settings->Dial Plan->Area Code.
2. Enter the desired values in the Code, Min Length (1-15) and Max Length (1-15) fields.
3. Enter the desired line ID in the Account field or leave it blank.
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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