Yealink SIP-T40G User Manual

Basic Call Features
123
Using Call Completion
Procedure:
When the called party is busy, a message will display on the LCD screen:
1. Press OK, the phone will then return to the Idle screen and call completion will be activated.
When the called party becomes idle, a message will display on the LCD screen:
1. Press OK to redial the number.
Note
Call Mute
You can mute the microphone during an active call so that the other party cannot hear you. You
can also mute the microphone while dialing or ringing so that the other party cannot hear you
when the call is set up. It helps prevent the other party from hearing the informal discussion
when auto answer is enabled on his/her phone.
Call mute applies to all modes (Handset, Headset and Speakerphone).
Keep Mute
Keep mute feature enables you to make the mute state of your phone persist across calls. When
keep mute is enabled and you press the MUTE key, the phone stays in the mute state until you
Call completion is not available on all servers. For more information, 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