Yealink SIP-T40G User Manual

User Guide for T4 Series IP Phones
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A message is displayed on the LCD screen:
2. Wait for the designated period of time or press OK to redial the phone number.
The phone will retry as many times as configured until the called party answers the call.
Call Completion
You can enable call completion to notify the caller who failed to reach a desired party when the
desired party becomes available to receive a call.
Enabling Call Completion
Procedure:
1. Navigate to Menu->Features->Others->Call Completion.
For the SIP-T48S/T48G/T42S/T42G/T41S/T41P/T40G/T40P IP phone, navigate to
Menu->Features->Call Completion.
2. Select Enabled from the Call Completion field.
For the SIP-T48S/T48G IP phone, tap the On radio box of the Call Completion field.
3. Press Save.
Call completion is configurable via web user interface at the path Features->General
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