Yealink SIP-T40G Administrator's Guide

Administrator’s Guide for SIP-T2 Series/T4 Series/T5 Series/CP920 IP Phones
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Parameter Description
Default: Default value
Setting Up a Provisioning Server
You can use a provisioning server to configure your phones. A provisioning server allows for flexibility in upgrading,
maintaining and configuring the phone. Boot files, configuration files, and resource files are normally located on this
server.
Topics
Supported Provisioning Protocols
Supported Provisioning Server Discovery Methods
Configuring a Provisioning Server
Supported Provisioning Protocols
Yealink phones support several transport protocols for provisioning:
l Trivial File Transfer Protocol (TFTP)
l File Transfer Protocol (FTP)
l Hyper Text Transfer Protocol – Secure (HTTPS)
l File Transfer Protocol – Secure (FTPS)
Note: There are two types of FTP methods—active and passive. The phones are not compatible with active FTP.
You can specify the transport protocol in the provisioning server address, for example, http://xxxxxxx. If not spe-
cified, the TFTP protocol is used.
Topic
Provisioning Protocols Configuration
Provisioning Protocols Configuration
The following table lists the parameters you can use to configure provisioning protocols.
Parameter
static.auto_provision.server.type <y0000000000xx>.cfg
Description
It configures the protocol the phone uses to connect to the provisioning server.
Note: It works only if the protocol type is not defined in the access URL of the provisioning server con-
figured by the parameter "static.auto_provision.server.url".
Permitted
Values
1-http
2-https
3-ftp
Other values-tftp
Default
tftp
Parameter
static.auto_provision.user_agent_mac.enable
[1]
<y0000000000xx>.cfg
Description
It enables or disables the phone's MAC address to be included in the User-Agent header of
HTTP/HTTPS request via auto provisioning.
Permitted
Values
0-Disabled
1-Enabled
Default
1

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