Yealink SIP-T33G Administrator's Guide

Audio Features
160
over that configured by this parameter.
Permitted
Values
0-Disabled
1-Enabled, if the headset's volume level for the current call is adjusted to level 12/13/14/15, the
volume level automatically resets to 11 after the call. That is, the initial volume level is 11 for the next
call.
Default
1
Supported
Devices
All phones except T48G, T46G, T42G, T41P, T29G and CP920
[1]
If you change this parameter, the phone will reboot to make the change take effect.
Tones
When receiving a message, the phone will play a warning tone. You can customize tones or select specialized tone
sets (vary from country to country) to indicate different conditions of the IP phone.
Topics
Supported Tones
Tones Configuration
Supported Tones
The default tones used on the phones are the US tone sets. Available tone sets for phones:
l Australia
l Austria
l Brazil
l Belgium
l China
l Czech
l Denmark
l Finland
l France
l Germany
l Great Britain
l Greece
l Hungary
l Lithuania
l India
l Italy
l Japan
l Mexico
l New Zealand
l Netherlands
l Norway
l Portugal
l Spain
l Switzerland
l Sweden
l Russia

Yealink SIP-T33G Specifications

General

Wall Mountable	Yes
Local Phonebook	1000 entries
Opus Codec	Yes
Lines	4
Supported Codecs	Opus, G.722, G.711(A/μ), G.729AB, G.726, iLBC
Headset Port	RJ9
Network	Dual-port Gigabit Ethernet
PoE	Yes (IEEE 802.3af)
Audio Features	HD voice
SIP Accounts	4
Buttons	4 context-sensitive soft keys
Headset Support	Yes
Supported Protocols	SIP
Operating Temperature	0 ~ 40°C
Humidity	10% to 90% (non-condensing)