Yealink SIP-T22P User Manual

Enterprise IP Phone Using the Advanced Phone Functions
The parameters of the Auto-provision：
Parameter Description
Update Protocol The phone can be updated via TFTP, FTP or HTTP
TFTP Server If you choose TFTP as protocol TFTP, you need to enter the TFTP
server IP address and port
Check new config You can specific the period that your phone checks the new
firmware from the server: Power on, Scheduling, Disable and
both.
Scheduling You can specific the period in days which the phone checks and
updates the new firmware, the range is 1-30 days
Note:
1. Any power interruption during the following process will most likely lead to a flash
memory error. As a result the system cannot boot up anymore. The procedure can
be only conducted in Administrator Mode.
2. If the updating is failed, you can re-plug the power adaptor, and press the Speaker
key for 3 seconds, the IP phone will enter the account configuration interface. Users
can reconfigure the IP phone account information here, and then press the OK
button to save the changes.
Decryption
This IP phone can support y000000.cfg and mac.cfg files encryption and decryption for
user authentication to realize
security usage. If there are any encrypted y000000.cfg or
mac.cfg files on the server, users can open the webpage of your IP phone.
Go to Upgrade->Advanced, choose and fill in the Specified AES Key (for y000000.cfg)
and Per-phone AES Key (for mac.cfg) option, then click the Confirm button to
decryption the files and upgrade to the new version. Shown as below:
- 36 -

Yealink SIP-T22P Specifications

General

DC-in jack	Yes
Expansion module support	No
Ethernet LAN (RJ-45) ports	2
Volume control	Digital
Keypad number of keys	32
Number of handles included	1 pc(s)
Power requirements	100 - 240 VAC, 5 VDC
Power consumption (typical)	2.6 W
Power consumption (PowerSave)	1.5 W
Voice codecs	G.722, G.723, G.726
Touchscreen	-
Display resolution	132 x 64 pixels
Lines quantity	- lines
Phonebook capacity	300 entries
Number of VoIP accounts	3
Security algorithms	HTTPS, SRTP
Flash memory	8 MB
Internal memory	32 MB
Password protection type	User
Operating temperature (T-T)	0 - 40 °C
Operating relative humidity (H-H)	10 - 90 %
Handset type	Wired handset
Product type	IP Phone
Product color	Black

Weight and Dimensions

Depth	200 mm
Width	185 mm
Height	90 mm
Weight	770 g