Yealink SIP-T40G Administrator's Guide

Administrator’s Guide for SIP-T2 Series/T4 Series/T5 Series/CP920 IP Phones
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LED Status
Description
Fast-flashing red (200ms) The monitored user receives an incoming call.
Solid red
The monitored user is dialing.
The monitored user is talking.
Off The monitored user does not exist.
State Monitor for Intercom Contact Configuration
The following table lists the parameters you can use to configure state monitor for intercom contact.
Parameter
features.intercom.led.enable <y0000000000xx>.cfg
Description
It enables or disables the phone to display different intercom DSS key LED status/icons when the
status of monitored user changes.
Note: It works only if “features.intercom.subscribe.enable” is set to 1 (Enabled).
Permitted
Values
0-Disabled
1-Enabled
Supported
Devices
All phones except T19(P) E2 and CP920
Default
0
Parameter
features.intercom.subscribe.enable <y0000000000xx>.cfg
Description
It enables or disables intercom subscription for the phones.
Permitted
Values
0-Disabled
1-Enabled
Default
0
Supported
Devices
All phones except T19(P) E2 and CP920
Outgoing Intercom Configuration
Yealink phones support two methods for initialing intercom calls.
The following table lists the parameters you can use to configure outgoing intercom.
Parameter
features.intercom.mode <y0000000000xx>.cfg
Description
It configures the intercom mode.
Permitted
Values
0-SIP
1-FAC, the feature access code is configured by “features.intercom.feature_access_code”.
Default
0
Parameter
features.intercom.feature_access_code <y0000000000xx>.cfg
Description
It configures the intercom feature access code.
Note: It works only if “features.intercom.mode” is set to 1 (FAC).
Permitted
Values
String
Default
Blank
Parameter
account.X.call_info
[1]
<MAC>.cfg

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