User Guide SIP-T22P IP Phone 
74 
The LCD screen indicates that the call is on mute. 
 
To un-mute a call: 
1.  Press          again to un-mute the call. 
You can place an active call on hold. Only one active call can be in progress at any time. 
Other calls can be made and received while placing the original call on hold. When you 
place a call on hold, your IP PBX may play music on hold to the other party while 
waiting. 
To place a call on hold:   
1.  Press the Hold soft key during a call. 
The LCD screen indicates the call is on hold and the line key LED flashes green. 
 
Note 
To resume a held call: 
1.  Press the Resume soft key. 
Multiple Calls on Hold: 
If multiple calls are placed on hold, do one of the following: 
-  Press          or          to switch between the calls, and then press the Resume soft key 
to retrieve the desired call. 
-  Press the corresponding line key to retrieve the desired call. 
If more than two calls are placed on hold, a numbered prompt appears on the LCD