Yealink SIP-T23G Administrator's Guide

Table of Contents
5
Custom Handset Related Configurations
143
Handset Firmware Upgrade Configuration
144
Audio Features
146
Alert Tone
146
Alert Tone Configuration
146
Touch Tone
148
Touch Tone Configuration
148
Ring Tones
148
Custom Ringtone Limit
148
Ringtone Configuration
149
Distinctive Ring Tones
151
Supported Alert-Info Headers Format
151
Alert-Info: Bellcore-drN
151
Alert-Info: ringtone-N/Alert-Info: ringtone-RingN.wav (or Alert-Info: MyMelodyN/Alert-Info:
MyMelodyRingN.wav) 152
Alert-Info: <URL >
153
Alert-Info: info=info text;x-line-id=0
154
Distinctive Ring Tones Configuration
154
Ringer Device
155
Ringer Device Configuration
156
Audio Volume
156
Ringer Volume Configuration
156
Sending Volume Configuration
157
Tones
159
Supported Tones
159
Tones Configuration
160
Audio Codecs
165
Supported Audio Codecs
165
Audio Codecs Configuration
167
Packetization Time (PTime)
170
Supported PTime of Audio Codec
170
PTime Configuration
171
Early Media
171
Early Media Configuration
171
Headset Prior
172
Headset Prior Configuration
172
Dual Headset
173
Dual Headset Configuration
173
Acoustic Clarity Technology
173
Acoustic Echo Cancellation (AEC)
174
AEC Configuration
174
Noise Suppression
174
Noise Suppression Configuration
174
Background Noise Suppression (BNS)
175
Automatic Gain Control (AGC)
175

Yealink SIP-T23G Specifications

General

Backlight	Yes
Voice codecs	G.711a, G.722.2, G.726, G.729ab, iLBC
Volume control	Digital
Handset type	Wired handset
Product type	IP Phone
Product color	Black, Silver
Display resolution	132 x 64 pixels
Lines quantity	- lines
Phonebook capacity	1000 entries
Number of VoIP accounts	3
Networking standards	IEEE 802.1p, IEEE 802.1Q, IEEE 802.1x, IEEE 802.3af
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)	1.56 W
Number of handles included	- pc(s)
Operating temperature (T-T)	-10 - 50 °C
Operating relative humidity (H-H)	10 - 95 %

Weight and Dimensions

Depth	188 mm
Width	209 mm
Height	150 mm