Yealink SIP-T40G User Manual

User Guide for T4 Series IP Phones
4
Hardware features description:
Item
Description
①
LCD Screen
Shows information about your phone, such as calls, messages,
soft keys, time and date:
• Default account
• Call information—caller ID, call duration
• Icons (for example, )
• Missed call or second incoming caller information
• Message (for example, "Saving config file!")
• Time and date
②
Power Indicator LED
Indicates call status, message status and phone’s system
status.
• Receives an incoming call—Fast-flashing
• Receives a voice mail or text message—Slow-flashing
③
Line Keys
• Activates accounts
• Assigns function or feature to the line key.
④
HEADSET Key
Toggles the headset mode on or off.
On the SIP-T46S/T46G/T42S/T42G/T41S/T41P IP phone, the
LED indicator glows green when headset mode is activated.
MUTE Key
Mutes or un-mutes your audio during calls.
On the SIP-T46S/T46G/T42S/T42G/T41S/T41P IP phone, the
LED indicator glows red when the microphone is muted.
⑤
MESSAGE Key
• Accesses voice messages when the voice mail code is
configured.
• Configures the voice mail code when the voice mail code is
not configured.
HOLD Key
Hold an active call or resumes a held call.
Note: There is no HOLD Key on
SIP-T42G/T42S/T41P/T41S/T40G/T40P IP phone.
REDIAL Key
Dials the most recently dialed number.
TRANSFER Key
Transfers a call to another party.
It is only available on the SIP-T46S/T46G IP phone.
⑥
Speakerphone Key
Toggles the hands-free (speakerphone) mode on or off.
On the SIP-T46S/T46G/T42S/T42G/T41S/T41P IP phones, the
LED indicator glows green when the hands-free
(speakerphone) mode is activated.
⑦
Volume Key
Adjusts the volume of the handset, headset, speaker, ringer or
media.
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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