Yealink SIP-T33P Administrator's Guide

Audio Features
168
Phone Model Supported Audio Codecs
Default Audio
Codecs
G726-24, G726-32, G726-40, G723_53,
G723_63, iLBC_15_2kpbs, iLBC_13_
33kpbs
G729
T57W/T54W/T53W/T53/T48U/T48S/T46U/T46S/
T43U/T42S/T42U/T41S/T33P/T33G/T31P/T31G/
T31/T30P/T30/T27G
G722, PCMA, PCMU, G729, G726-16,
G726-24, G726-32, G726-40, G723_53,
G723_63, opus, iLBC_15_2kpbs, iLBC_
13_33kpbs
G722, PCMA, PCMU,
G729
T40P/T40G/T23P/T23G/T21(P) E2/
T19(P) E2
G722, PCMA, PCMU, G729, G726-16,
G726-24, G726-32, G726-40, opus, iLBC_
15_2kpbs, iLBC_13_33kpbs
G722, PCMA, PCMU,
G729
CP920
G.722.1c (48kb/s), G.722.1c (32kb/s),
G.722.1c (24kb/s), G.722.1 (24kb/s), G722,
PCMU, PCMA, G729, G726-40, G726-32,
G726-24, G726-16, G723_53, G723_63,
Opus, iLBC_15_2kpbs, iLBC_13_33kpbs
G.722.1c (48kb/s),
G.722.1c (32kb/s),
G.722.1c (24kb/s),
G.722.1 (24kb/s),
G722, PCMU, PCMA,
G729
Audio Codecs Configuration
The following table lists the parameters you can use to configure the audio codecs.
Parameter
account.X.codec.<payload_type>.enable
[1]
<MAC>.cfg
Description
It enables or disables the specified audio codec.
The name (payload_type) of the audio codec:
g722_1c_48kpbs-G.722.1c (48kb/s) (only for CP920)
g722_1c_32kpbs-G.722.1c (32kb/s) (only for CP920)
g722_1c_24kpbs-G.722.1c (24kb/s) (only for CP920)
g722_1_24kpbs-G.722.1 (24kb/s) (only for CP920)
g722-G722
pcmu-PCMU
pcma-PCMA
g729-G729
g726_16-G726-16
g726_24-G726-24
g726_32-G726-32
g726_40-G726-40
g723_53-G723_53
g723_63-G723_63
opus-Opus
ilbc_15_2kpbs-iLBC_15_2kbps
ilbc_13_33kpbs-iLBC_13_33kbps
Example:

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