Yealink SIP-T40G Administrator's Guide

Table of Contents
3
Files Download Process
76
Provisioning Methods
77
Provisioning Methods Priority
78
Web User Interface
78
Accessing the Web User Interface
78
Quick Login Configuration
79
Web Server Type Configuration
80
Navigating the Web User Interface
81
Phone User Interface
82
Central Provisioning
82
Auto Provisioning Settings Configuration
83
User-Triggered Provisioning Settings Configuration
89
PIN Code Provisioning Settings Configuration
90
Viewing Configurations Configured via Different Provisioning Methods
90
Setting Up a Provisioning Server
91
Supported Provisioning Protocols
91
Provisioning Protocols Configuration
91
Supported Provisioning Server Discovery Methods
92
Zero Touch Provision Configuration
92
PnP Provision Configuration
93
DHCP Provision Configuration
93
Static Provision Configuration
95
Configuring a Provisioning Server
96
Keeping User’s Personalized Settings after Auto Provisioning
96
Keeping User’s Personalized Settings Configuration
96
Auto Provisioning Flowchart for Keep User’s Personalized Configuration Settings
97
Example: Keeping User’s Personalized Settings
98
Clearing User's Personalized Configuration Settings
99
Example: Deploying Phones from the Provisioning Server
99
Security Features
102
User and Administrator Identification
102
User and Administrator Identification Configuration
102
User Access Level Configuration
103
Auto Logout Time
104
Auto Logout Time Configuration
104
Phone Lock
104
Operation Behaviors on Lock Phone
105
Phone Lock Configuration
105
Transport Layer Security (TLS)
107
Supported Cipher Suites
107
Supported Trusted and Server Certificates
108
Supported Trusted Certificates
109
TLS Configuration
111
Secure Real-Time Transport Protocol (SRTP)
113

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