Yealink SIP-T31G Administrator's Guide

Table of Contents
3
Supported Resource Files
75
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
97
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

Yealink SIP-T31G Specifications

General

Mounting kit	Yes
Number of handles included	1 pc(s)
Display diagonal	2.3 \
Display resolution	132 x 64 pixels
Operating temperature (T-T)	-10 - 50 °C
Operating relative humidity (H-H)	10 - 95 %
Voice codecs	G.722, G.729, AGC, G.729A, AJB, PLC, G.711Mu, VAD, G.711a, G.723.1, G.726, iLBC, CNG, OPUS
AC adapter input voltage	100 - 240 V
AC adapter output current	0.6 A
AC adapter output voltage	5 V
Power consumption (typical)	3 W
Lines quantity	2 lines
Phonebook capacity	1000 entries
Number of VoIP accounts	2
Sustainability certificates	RoHS, REACH
Networking standards	IEEE 802.3af, IEEE 802.1p, IEEE 802.1Q, IEEE 802.1x
Ethernet LAN data rates	10, 100, 1000 Mbit/s
Ethernet LAN interface type	Gigabit Ethernet
Mounting	Desk/Wall
Handset type	Wired handset
Product type	IP Phone
Product color	Gray
Harmonized System (HS) code	85171800

Weight and Dimensions

Depth	189 mm
Width	188 mm
Height	162 mm
Package depth	210 mm
Package width	213 mm
Package height	103 mm