Yealink SIP-T40G Manual

Using Enhanced DSS Keys on Yealink IP Phones
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The following shows an example of line key configuration in the configuration file:
features.enhanced_dss_keys.enable = 1
linekey.2.type = 73
linekey.2.value = !IVR1
linekey.2.label = IVR1
2. Reference the configuration file in the boot file (e.g., y000000000000.boot).
Example:
include:config “http://10.2.1.158/features.cfg”
3. Upload the boot file and configuration file to the root directory of the provisioning server.
4. Trigger IP phones to perform an auto provisioning for configuration update.
For more information on auto provisioning, refer to the latest Auto Provisioning Guide for
your phone on Yealink Technical Support.
The following screenshot shows the user interface for SIP-T46G IP phone when configured with
example configuration file:
Press the line key (IVR1) to perform the macro definition of the action IVR1
(10086$Tinvite$$Cwaitconnect$$P5N4$$Tdtmf$$Cpause2$4$Tdtmf$$Cpause1$2$Tdtmf$).

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