Yealink SIP-T22P User Manual

Enterprise IP Phone Trouble Shooting
Trouble Shooting
I can not register to the server？
1) Check the IP address. If you set your WAN port in DHCP mode, please make sure
that your DHCP server is on.
2) Check your gateway.
3) Check your DNS server.
4) Make sure your account information is the same as you have got from your ISP.
5) Check whether the SIP server is on.
6) Check the SIP register port, the default value is 5060.
I can’t get the IP address?
1) Make sure you have plugged the Ethernet cable into the WAN port.
2) Make sure that the DHCP server is on, and there are available IP addresses in the
server.
3) Try to set your WAN port to static IP client mode.
During a call, I can not hear any voice?
1) Make sure your handset is tightly connected with the phone.
2) Check whether you have muted the conversation or not.
3) Consult the outbound server details with your ISP.
Have DTMF problem?
1) Check which kind of DTMF you are using, and whether it is compatible with the
server.
2) Consult the payload value with your ISP.
How to change the time?
Select the time zone or enter the time information manually on the webpage or the
phone.
How to answer the incoming calls during a call?
If a call comes in when you are in a conversation, press the Answer key to answer the
incoming call.
How to refuse incoming calls during a call?
You can turn off the function of call waiting, and then our phone will refuse all the
incoming calls when you are in a conversation.
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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