Yealink SIP-T40G Administrator's Guide

Administrator’s Guide for SIP-T2 Series/T4 Series/T5 Series/CP920 IP Phones
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When the phone receives an incoming call in the call state, the screen does not prompt the incoming call inform-
ation. You can perform other features on the current call. You can only answer the incoming call after ending the cur-
rent call.
Topic
Ignoring Incoming Calls Configuration
Ignoring Incoming Calls Configuration
The following table lists the parameter you can use to configure ignoring incoming calls.
Parameter
features.ignore_incoming_call.enable <y0000000000xx>.cfg
Description
It enables or disables the phone to ignore the incoming call.
Permitted
Values
0-Disabled
1-Enabled, the incoming call is still in the progress and is not rejected, the user can choose to answer
it or not, or perform other features.
Default
0
Off Hook Answering
You can set whether to answer an incoming call by picking up the handset, pressing the Speakerphone key or
pressing the HEADSET key directly.
It is not applicable to CP920 phones.
Topic
Off Hook Answering Configuration
Off Hook Answering Configuration
The following table lists the parameter you can use to configure off hook answering.
Parameter
features.off_hook_answer.enable <y0000000000xx>.cfg
Description
It enables or disables the phone to answer an incoming call by picking up the handset, pressing the
Speakerphone key or pressing the HEADSET key directly.
Permitted
Values
0-Disabled, the user needs to press the corresponding line key, the Answer soft key or the OK key to
answer an incoming call after picking up the handset, pressing the Speakerphone key or pressing the
HEADSET key.
1-Enabled

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