User Guide for the SIP-T54S Media IP Phone 
206 
The LED indicators of the line key 2 on phone A will illuminate solid red and phone B will 
illuminate solid green indicating that there is an active call on the line key 2. Meanwhile, The LED 
indicators of the line key 1 phone A will illuminate solid green and phone B will illuminate solid 
red indicating that there is an active call on the line key 1. 
Note 
Placing a Call on Hold 
To place a call on public hold:   
1.  Press          or the Hold soft key on phone A when party A and party C are talking. 
 
The line key LEDs on phone A slowly flash green and phone B slowly flash red when the 
shared line call is placed on hold. 
To place a call on private hold: 
1.  Press the PriHold soft key or private hold key on phone A when there is an active call on 
the shared line (You may need to press the More soft key to see the PriHold soft key). 
 
The line key LED flashes green slowly on phone A when the shared line call is placed on 
private hold. 
   
If the number of incoming calls is greater than the configured line keys, the line keys will be used 
by sequence circulation.