Yealink SIP-T33P Getting Started

Recovery Mode on Yealink IP phones
7
1. Long press (Speakerphone key) and reconnect the power adapter to trigger the recovery
mode. Do not release until the recovery mode wizard appears on the phone LCD screen.
2. Press 1 to use the HTTP server.
3. Enter the desired values in the IP Address, Netmask, IP Gateway and HTTP Server fields
respectively.
Note
4. Press to complete the recovery mode.
The IP phone will download and upgrade the firmware from the HTTP server. After upgrading, the IP
phone will initialize successfully and get ready for use.
The LCD screen prompts “Initializing…Please Wait” when upgrading successfully.
Note
5. If the IP phone fails to upgrade, the LCD screen will indicate the failure. The user can repeat the
recovery mode procedures to try again.
For CP920 IP phones, you need to press the volume key ( or ) as the left or right
navigation key.
For SIP-T58A IP phones, you need to press / / as up/down/left/right
navigation key.
You need to press (for SIP-T58A phones), (for SIP-T3 IP phones) to complete the
recovery mode since there is no key.
…. Initializing ….
Please Wait
Welcome
IP Address:
Netmask:
IP Gateway:
HTTP Server:
10. 2. 11.124
255.255.255. 0
10. 2. 11.254
http://10.2.11.10
1

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