Yealink SIP-T33G Administrator's Guide

Administrator’s Guide for SIP-T2 /T3 /T4 /T5 /CP920 IP Phones
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LED Status Description
The monitored user’s conversation is placed on hold (This LED status requires server sup-
port).
Slowly-flashing red (1s) The call is parked against the monitored user’s phone number.
Off The monitored user does not exist.
Line Key/Expansion Module Key LED (configured as a BLF key or a BLF List key and BLF LED Mode is set to 1)
LED Status Description
Fast-flashing red
(200ms)
The monitored user receives an incoming call.
Solid red
The monitored user is dialing.
The monitored user is talking.
The monitored user’s conversation is placed on hold (This LED status requires server sup-
port).
Slowly-flashing red (1s) The call is parked against the monitored user’s phone number.
Off
The monitored user is idle.
The monitored user does not exist.
Line Key/Expansion Module Key LED (configured as a BLF key or a BLF List key and BLF LED Mode is set to 2)
LED Status Description
Fast-flashing red
(200ms)
The monitored user receives an incoming call.
Solid red
The monitored user is dialing.
The monitored user is talking.
The monitored user’s conversation is placed on hold (This LED status requires server sup-
port).
Slowly-flashing red (1s) The call is parked against the monitored user’s phone number.
Off
The monitored user is idle.
The monitored user does not exist.
Line Key/Expansion Module Key LED (configured as a BLF key or a BLF List key and BLF LED Mode is set to 3)
LED Status Description
Fast-flashing green
(200ms)
The monitored user receives an incoming calls
Solid red
The monitored user is dialing.
The monitored user is talking.
The monitored user’s conversation is placed on hold (This LED status requires server
support).
Slowly-flashing red (1s) The call is parked against the monitored user’s phone number.
Off
The monitored user is idle.
The monitored user does not exist.

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)