Yealink SIP-T40G User Manual

User Guide for T4 Series IP Phones
212
Connecting a YHS32/YHS33 Headset
Procedure:
1. Simply insert the modular connector into the headset port on the back of your IP phone.
For the information on how to connect headset YHS32/YHS33, see the YHS32/YHS33 user guide
on Yealink Technical Support page.
Note
Activating the Headset Mode
After connecting a headset to your phone, you can activate the headset mode and use headset
when answering and placing calls.
Procedure:
1. Press the HEADSET key on the phone.
The HEADSET key LED glows green except on SIP-T40G/T40P IP phone, and the headset
icon appears on the LCD screen.
When you press the line key or Answer to answer an incoming call, the call is answered in
Headset mode automatically. For more information on using the headset to answer a call,
refer to Answering Calls.
With the handset on-hook, enter the desired number and press Send, the phone will then
place a call using the headset automatically. For more information on using the headset to
place a call, refer to Placing Calls.
Deactivating the Headset Mode
If you don’t want to use a headset to handle calls, you can deactivate the headset mode.
Procedure:
1. Press the HEADSET key again on the phone.
The HEADSET key LED goes out except on SIP-T40G/T40P IP phone, and the headset icon
disappears from the LCD screen.
Enabling the Headset Prior
You can use headset in priority when receiving or placing calls. This feature is especially useful
for permanent or full-time headset users. To use this feature, you need to enable headset prior
feature in advance.
If both a Bluetooth headset and an analog headset are connected, only the Bluetooth headset
can be used.
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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