Yealink SIP-T33P Administrator's Guide

Advanced Features
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Note: If both Call-Info header and Alert-Info header (defined by the parameter "account.X.alert_info")
are configured, the Call-Info header has a higher priority than the Alert-Info header.
Permitted
Values
String within 256 characters
Default
Blank
[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.
Incoming Intercom Configuration
The IP phone can process incoming calls differently depending on settings.
The following table lists the parameters you can use to configure incoming intercom.
Parameter
features.intercom.allow <y0000000000xx>.cfg
Description
It enables or disables the phone to answer an incoming intercom call.
Permitted
Values
0-Disabled, the phone will handle an incoming intercom call like a normal incoming call.
1-Enabled, the phone will automatically answer an incoming intercom call.
Default
1
Web UI
Features > Intercom > Intercom Allow
Phone UI
Menu > Features > Intercom > Intercom Allow
Parameter
features.intercom.mute <y0000000000xx>.cfg
Description
It enables or disables the phone to mute the microphone when answering an intercom call.
Note: It works only if “features.intercom.allow” and "features.allow_mute" are set to 1 (Enabled).
Permitted
Values
0-Disabled
1-Enabled, the microphone is muted for intercom calls, and then the other party cannot hear you.
Default
0
Web UI
Features > Intercom > Intercom Mute
Phone UI
Menu > Features > Intercom > Intercom Mute
Parameter
features.intercom.tone <y0000000000xx>.cfg
Description
It enables or disables the phone to play a warning tone when answering an intercom call.
Note: It works only if “features.intercom.allow” is set to 1 (Enabled).
Permitted
Values
0-Disabled
1-Enabled
Default
1
Web UI
Features > Intercom > Intercom Tone
Phone UI
Menu > Features > Intercom > Intercom Tone
Parameter
features.intercom.barge <y0000000000xx>.cfg
Description
It enables or disables the phone to answer an incoming intercom call while there is already an active
call on the IP phone.
Note: It works only if “features.intercom.allow” and "call_waiting.enable" are set to 1 (Enabled) and

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