Yealink SIP-T40G Administrator's Guide

Administrator’s Guide for SIP-T2 Series/T4 Series/T5 Series/CP920 IP Phones
6
Voice Activity Detection (VAD)
175
VAD Configuration
175
Comfort Noise Generation (CNG)
175
CNG Configuration
175
Jitter Buffer
176
Jitter Buffer Configuration
176
Smart Noise Block
177
Smart Noise Block Configuration
178
Acoustic Shield
178
Acoustic Shield Configuration
178
Smart Noise Filtering
179
Smart Noise Filtering Configuration
179
DTMF
179
DTMF Keypad
179
Transmitting DTMF Digit
180
Transmitting DTMF Digit Configuration
180
Suppress DTMF Display
182
Suppress DTMF Display Configuration
182
Transfer via DTMF
182
Transfer via DTMF Configuration
182
Local DTMF Tone
183
Local DTMF Tone Configuration
183
Voice Quality Monitoring (VQM)
183
RTCP-XR
183
RTCP-XR Configuration
184
VQ-RTCPXR
184
Voice Quality Reports
184
Voice Quality Reports Configuration
185
VQ-RTCPXR Display
186
VQ-RTCPXR Display Configuration
187
Central Report Collector
189
Central Report Collector Configuration
190
Phone Customization
191
Language
191
Supported Languages
191
Language Display Configuration
192
Language for Phone Display Customization
193
Customizing a Language Pack for Phone Display
193
Custom Language for Phone Display Configuration
194
Example: Setting a Custom Language for Phone Display
194
Language for Web Display Customization
195
Customizing a Language Pack for Web Display
195
Customizing a Language Pack for Note Display
196
Custom Language for Web and Note Display Configuration
196

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