Yealink SIP-T31G Administrator's Guide

Administrator’s Guide for SIP-T2 /T3 /T4 /T5 /CP920 IP Phones
6
Automatic Gain Control (AGC)
176
Voice Activity Detection (VAD)
176
VAD Configuration
176
Comfort Noise Generation (CNG)
176
CNG Configuration
176
Jitter Buffer
177
Jitter Buffer Configuration
177
Smart Noise Block
179
Smart Noise Block Configuration
179
Acoustic Shield
179
Acoustic Shield Configuration
179
Smart Noise Filtering
180
Smart Noise Filtering Configuration
180
DTMF
180
DTMF Keypad
181
Transmitting DTMF Digit
181
Transmitting DTMF Digit Configuration
181
Suppress DTMF Display
183
Suppress DTMF Display Configuration
183
Transfer via DTMF
183
Transfer via DTMF Configuration
183
Local DTMF Tone
184
Local DTMF Tone Configuration
184
Voice Quality Monitoring (VQM)
184
RTCP-XR
185
RTCP-XR Configuration
185
VQ-RTCPXR
185
Voice Quality Reports
185
Voice Quality Reports Configuration
186
VQ-RTCPXR Display
187
VQ-RTCPXR Display Configuration
188
Central Report Collector
191
Central Report Collector Configuration
191
Phone Customization
192
Language
192
Supported Languages
192
Language Display Configuration
193
Language for Phone Display Customization
194
Customizing a Language Pack for Phone Display
194
Custom Language for Phone Display Configuration
195
Example: Setting a Custom Language for Phone Display
195
Language for Web Display Customization
196
Customizing a Language Pack for Web Display
196
Customizing a Language Pack for Note Display
197

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