Yealink SIP-T40G Auto Provisioning Guide

Provisioning Yealink IP Phones
7
Provisioning Yealink IP Phones
This section provides instructions on how IP phones interoperate with provisioning server for
auto provisioning, and shows you the auto provisioning process and the four major tasks to
provision the phones. It will help users who are not familiar with auto provisioning to
understand this process more easily and quickly.
Interoperating with Provisioning Server
When IP phones are triggered to perform auto provisioning, they will request to download the
boot files and configuration files from the provisioning server. During the auto provisioning, the
IP phone will download and update configuration files to the phone flash.
The following figure shows how the IP phone interoperates with the provisioning server:

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