Yealink SIP-T33P Administrator's Guide

Table of Contents
5
Handset Settings Parameters
139
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) 153
Alert-Info: <URL>
154
Alert-Info: info=info text;x-line-id=0
155
Distinctive Ring Tones Configuration
155
Ringer Device
156
Ringer Device Configuration
157
Audio Volume
157
Ringer Volume Configuration
157
Sending Volume Configuration
158
Tones
160
Supported Tones
160
Tones Configuration
161
Audio Codecs
166
Supported Audio Codecs
166
Audio Codecs Configuration
168
Packetization Time (PTime)
171
Supported PTime of Audio Codec
171
PTime Configuration
172
Early Media
172
Early Media Configuration
173
Headset Prior
173
Headset Prior Configuration
173
Dual Headset
174
Dual Headset Configuration
174
Acoustic Clarity Technology
175
Acoustic Echo Cancellation (AEC)
175
AEC Configuration
175
Noise Suppression
175
Noise Suppression Configuration
175
Background Noise Suppression (BNS)
176

Yealink SIP-T33P Specifications

General

Mounting	Desk/Wall
Handset type	Wired handset
Product type	IP Phone
Product color	Gray
Wall mountable	Yes
Operating system installed	Linux
Lines quantity	4 lines
Phonebook capacity	1000 entries
Number of VoIP accounts	4
Volume control	Buttons
Number of function keys	5
Display diagonal	2.4 \
Display resolution	320 x 240 pixels
Voice codecs	AGC, AJB, CNG, G.711a, G.711u, G.722, G.723.1, G.726, G.729, G.729A, PLC, VAD, iLBC
Security algorithms	AES, HTTPS
Ethernet LAN data rates	10, 100 Mbit/s
Ethernet LAN interface type	Fast Ethernet
RJ-9 ports quantity	1
Ethernet LAN (RJ-45) ports	2
Input frequency	50/60 Hz
AC adapter input voltage	100 - 240 V
Power consumption (typical)	3 W
Power consumption (Power over Ethernet (PoE))	5 W
Number of handles included	1 pc(s)
Operating temperature (T-T)	-10 - 50 °C
Operating relative humidity (H-H)	10 - 95 %

Weight and Dimensions

Depth	186 mm
Width	212 mm
Height	146 mm