Yealink SIP-T40G Administrator's Guide

Call Features
408
Description
It enables or disables to synchronize the feature status between the IP phone and the server.
Permitted
Values
0-Disabled
1-Enabled, the phone sends a SUBSCRIBE message with event “as-feature-event” to the server.
Default
0
Parameter
account.X.feature_key_sync.enable
[1]
<y0000000000xx>.cfg
Description
It enables or disables to synchronize the feature status between the IP phone and the server for
account X.
Note: The value configured by this parameter takes precedence over that configured by the parameter
"features.feature_key_sync.enable".
Permitted
Values
0-Disabled
1-Enabled, the phone to send a SUBSCRIBE message with event “as-feature-event” to the server.
Default
Blank
Supported
Devices
All phones except T48G, T46G, T42G, T41P, T29G and CP920
Parameter
features.forward.feature_key_sync.enable <y0000000000xx>.cfg
Description
It enables or disables the forward feature synchronization.
Note: It works only if “features.feature_key_sync.enable” is set to 1 (Enabled).
Permitted
Values
0-Disabled
1-Enabled, server-based call forward is enabled. Server and local phone call forward are syn-
chronized.
Default
1
Parameter
account.X.forward.feature_key_sync.enable
[1]
<MAC>.cfg
Description
It enables or disables the forward feature synchronization for account X.
Note: The value configured by this parameter takes precedence over that configured by the parameter
"features.forward.feature_key_sync.enable". It works only if “account.X.feature_key_sync.enable” is
set to 1 (Enabled).
Permitted
Values
0-Disabled
1-Enabled, server-based call forward is enabled. Server and local phone call forward are syn-
chronized.
Default
Blank
Supported
Devices
All phones except T48G, T46G, T42G, T41P, T29G and CP920
Parameter
features.forward.feature_key_sync.local_processing.enable <y0000000000xx>.cfg
Description
It enables or disables the local forward when call forward feature synchronization is enabled.
Note: It works only if “features.feature_key_sync.enable” and “features.forward.feature_key_syn-
c.enable” are set to 1 (Enabled). The value configured by the parameter “accoun-
t.X.features.forward.feature_key_sync.local_processing.enable” takes precedence over that
configured by this parameter.
Permitted
Values
0-Disabled, call forward is performed on the server side only.
1-Enabled, call forward is performed on both server side and locally.

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