Yealink SIP-T33P Administrator's Guide

Administrator’s Guide for SIP-T2 /T3 /T4 /T5 /CP920 IP Phones
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If the ringer device is set to Headset or Headset&Speaker, the headset (either a wired headset, Bluetooth headset
or USB headset) should be connected to the IP phone and the headset mode also should be activated in advance.
The USB headset is only applicable to T57W/T54W/T53W/T53/T48U/T48S/T46U/T46S/T43U/T42S/T42U/T41S
phones.
You can press the HEADSET key to activate the headset mode. For more information, refer to the Yealink phone-
specific user guide.
It is not applicable to CP920 phones.
Topic
Ringer Device Configuration
Ringer Device Configuration
The following table lists the parameters you can use to configure the ringer device.
Parameter
features.ringer_device.is_use_headset <y0000000000xx>.cfg
Description
It configures the ringer device for the phone.
Note: To use speaker, make sure “features.speaker_mode.enable” is set to 1 (Enabled). To use the
headset, make sure “features.headset_mode.enable” is set to 1 (Enabled).
Permitted
Values
0-Use Speaker
1-Use Headset
2-Use Headset & Speaker
Default
0
Supported
Devices
All phones except CP920
Web UI
Features > Audio > Ringer Device for Headset
Audio Volume
You can configure the sending volume and ringer volume for the phone.
Topics
Ringer Volume Configuration
Sending Volume Configuration
Ringer Volume Configuration
You can configure the ringer volume as a fixed level, so the user cannot adjust the ringer volume on the phone.
This feature is used to avoid missing calls when the user turns down the ringer volume.
The following table lists the parameters you can use to configure the ringer volume.
Parameter
force.voice.ring_vol <y0000000000xx>.cfg
Description
It configures the ring tone as a fixed volume.
Permitted
Values
Blank-the user can adjust the ringer volume on the phone.
0 to 15-the user cannot adjust the ringer volume on the phone, the ring tone is the configured volume.
Default
Blank
Parameter
phone_setting.voice.ring_vol_min <y0000000000xx>.cfg
Description
It configures the adjustable minimum ringer volume on the phone.

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