Yealink SIP-T40G User Manual

User Guide for T4 Series IP Phones
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you can switch among Speakerphone modes by pressing the speakerphone key, Handset
modes by pressing the HEADSET key or Handset mode by picking up the handset.
Note
Placing Calls
You can place calls in numerous ways, including placing multiple calls, placing a call using a
speed dial key, placing a call from the recent calls/search source list, placing a call back to the
last incoming call, dialing the hotline number or redialing numbers. You can also dial an
entry/contact from local directory, remote phone book or call history. For more information,
refer to Contact Management and Call History Management.
Placing a Call
Procedure:
1. Do one of the following:
- Pick up the handset.
- Press the Speakerphone key.
- Press the HEADSET key.
2. Enter a number.
You can also select a desired contact from the search list, or select a contact from the
placed call list or Directory before you enter the number. On the SIP-T48S/T48G IP phone,
you can select a desired contact from the left sidebar, or select a contact from the Directory
or History.
3. Press the OK key , # key or Send.
The # key is configured as a send key by default. You can also set the * key as the send key, or
set neither. For more information, refer to Configuring Key As Send.
If live dialpad feature is enabled, the IP phone will automatically dial the number after a period
of time without pressing the send key. Check with your system administrator to find out if this
If you prefer to place or answer the call in headset mode, refer to Enabling the Headset Prior.
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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