Yealink SIP-T22 - Manual (Page 23)

Getting Started
11
3) Connect the network and power
1) Attach the stand
a) Desk Mount Method:
b) Wall Mount Method:
2) Connect the handset and optional headset
Note
3) Connect the network and power
You have two options for power and network connections. Your system administrator will
advise you which one to use.

AC power

Power over Ethernet (PoE)
Note
A headset is not included in the packaging contents. Contact your system administrator
for more information.
PoE is not applicable to the SIP-T22 IP phone. A power adapter should be purchased
separately to power it on.