Yealink SIP-T22P User Manual

User Guide SIP-T22P IP Phone
120
How to obtain the MAC address of a phone when the phone is not powered on?
Three ways you can obtain the MAC address of a phone:
 You can ask your supplier for shipping information sheet which includes MAC
addresses according to the corresponding PO (Purchase Order).
 You can find the MAC address in the label of carton box.
 You can also find the MAC address from the phone’s bar code on the back of the
phone.
Why can’t I get a dial tone?
 Check for any loose connections and that the phone has been installed properly.
For the installation instructions, refer to Phone Installation on page 11.
 Switch between the Handset, Headset (if present) or Hands-Free Speakerphone to
check whether the dial tone is present for one of the audio modes.
If the dial tone exists on another audio mode, connect a different handset or
headset to isolate the problem.
Why doesn’t the phone ring?
Check that the ringer volume on the phone. To adjust the ringer volume setting, press
the Volume key when the phone is idle. For more information, refer to Volume on page
25.
Why can’t I receive calls?
 Check that the SIP registration with your system administrator.
 Check that the DND (Do Not Disturb) mode is deactivated on the phone. Refer to
Do Not Disturb (DND) on page 75.
 Check that call forward is disabled on the phone. Refer to Call Forward on page
78.
 Check whether the caller number is stored in the blacklist directory. Refer to
Blacklist on page 39.
Why is my handset not working?
Check that the handset cord is fully connected to both the handset jack on the phone
and handset. Refer to Phone Installation on page 11.
Why is my headset not working?
 Check that the headset cord is fully connected to the headset jack on the phone.
Refer to Phone Installation on page 11.
 Check that the headset mode is activated. Refer to Headset Mode

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