Yealink SIP-T40G Administrator's Guide

Phone Provisioning
94
Black-and-white Screen Phones:
Menu > Settings > Advanced Settings (default password: admin) > Auto Provision > DHCP Active
Parameter
static.auto_provision.dhcp_option.list_user_
options
<y0000000000xx>.cfg
Description
It configures the IPv4 custom DHCP option for requesting provisioning server address.
Multiple options are separated by commas.
Note: It works only if “static.auto_provision.dhcp_option.enable” is set to 1 (On).
Permitted
Values
Integer from 128 to 254
Default
Blank
Web UI
Settings > Auto Provision > IPv4 Custom Option
Phone UI
Color Screen Phones:
Menu > Advanced (default password: admin) > Auto Provision > IPv4 Custom Option
Black-and-white Screen Phones:
Menu > Settings > Advanced Settings (default password: admin) > Auto Provision > IPv4 Custom
Option
Parameter
static.auto_provision.dhcp_option.list_user6_
options
<y0000000000xx>.cfg
Description
It configures the IPv6 custom DHCP option for requesting provisioning server address.
Multiple options are separated by commas.
Note: It works only if “static.auto_provision.dhcp_option.enable” is set to 1 (On).
Permitted
Values
Integer from 135 to 65535, except 143
Default
Blank
Web UI
Settings > Auto Provision > IPv6 Custom Option
Phone UI
Color Screen Phones:
Menu > Advanced (default password: admin) > Auto Provision > IPv6 Custom Option
Black-and-white Screen Phones:
Menu > Settings > Advanced Settings (default password: admin) > Auto Provision > IPv6 Custom
Option
Parameter
static.auto_provision.url_wildcard.pn <y0000000000xx>.cfg
Description
It configures the characters to replace the wildcard $PN in the received URL of the provisioning
server.
Note: The configured characters must be in accordance with the actual directory name of the pro-
visioning server.
Permitted
Values
String within 32 characters
Default
For T57W phones: T57W.
For T54W phones: T54W.
For T53W phones: T53W.
For T53 phones: T53.
For T48U phones: T48U.

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