Yealink SIP-T33P Administrator's Guide

Administrator’s Guide for SIP-T2 /T3 /T4 /T5 /CP920 IP Phones
171
opus-wb-Opus-WB (16KHz)
opus-mb-Opus-MB (12KHz) (only for T57W/T54W/T53W/T53/T48U/T46U/T43U/T42U/CP920)
opus-nb-Opus-NB (8KHz)
Default
opus-wb (opus-fb for CP920 phones)
Supported
Devices
T57W, T54W, T53W, T53, T48U, T48S, T46U, T46S, T43U, T42U, T42S, T41S, T27G, CP920
Web UI
Account > Codec > Opus Sample Rate
Parameter
voice.g726.aal2.enable <y0000000000xx>.cfg
Description
It enables or disables the phone to use the AAL2-G726-16, 24, 32 and 40 MIME type.
Permitted
Values
0-Disabled
1-Enabled
Default
0
[1]
X is the account ID. For T57W/T54W/T48U/T48S/T48G/T46U/T46S/T46G/T29G, X=1-16; for
T53W/T53/T43U/T42G/T42U/T42S, X=1-12; for T41P/T41S/T27G, X=1-6; for T33P/T33G, X=1-4; for
T40P/T40G/T23P/T23G, X=1-3; for T31P/T31G/T31/T21(P) E2, X=1-2; for T30P/T30/T19(P) E2/CP920, X=1.
Packetization Time (PTime)
PTime is a measurement of the duration (in milliseconds) that how long the audio data in each RTP packet is sent
to the destination, and defines how much the network bandwidth is used for the RTP stream transfer. Before estab-
lishing a conversation, codec and ptime are negotiated through SIP signaling. The valid values of ptime range from
10 to 60, in increments of 10 milliseconds. The default ptime is 20ms. You can also disable the ptime negotiation.
Topics
Supported PTime of Audio Codec
PTime Configuration
Supported PTime of Audio Codec
The following table summarizes the valid values of ptime for each audio codec:
Codec Packetization Time (Minimum) Packetization Time (Maximum)
G722 10ms 40ms
PCMA 10ms 40ms
PCMU 10ms 40ms
G729 10ms 80ms
G726-16 10ms 30ms
G726-24 10ms 30ms
G726-32 10ms
30ms
(40ms for T40P/T40G/T23P/T23G/T21(P) E2/T19(P) E2)

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