User Guide for the SIP-T54S Media IP Phone 
204 
Placing Calls 
You can have one call or multiple calls on the shared line. 
To place a call on the shared line: 
Do one of following: 
-  Enter the desired number using the keypad when the phone is idle. Press          ,            , or 
the Send soft key. 
The phone will dial the entered number using the first line key. 
-  Press the line key when the phone is idle to enter the dialing screen. 
Enter the desired number using the keypad and then press          ,          , or the Send soft 
key. 
The phone will dial the entered number using the selected line key. 
To place multiple calls on the shared line: 
You can have more than one call on the shared line. To place a new call when there is an active 
call on the line key 1 of phone A, do one of the following on phone A: 
-  Press            or the Hold soft key. The original call is placed on hold. 
Press the New Call soft key to enter the dialing screen. 
Enter the desired number using the keypad. 
Press          ,          , or the Send soft key. 
Phone A will dial the entered number using the line key 2 automatically.   
-  Press the line key. The original call is placed on hold. 
Enter the desired number using the keypad. 
Press          ,          , or the Send soft key. 
Phone A will dial the entered number using the selected line key. 
Answering Calls 
You can have one call or multiple calls on the shared line. Incoming calls will be distributed 
evenly among the available line keys. 
To answer a call on the shared line: 
When an incoming call arrives on the shared line, the phone A and phone B will ring 
simultaneously, and the LED indicators of the line key 1 on both phone A and phone B will flash 
green. You can answer the incoming call on either phone A or phone B but not both. 
Do one of the following on phone A or phone B: 
-  Press the line key 1,               ,          or the Answer soft key on phone A. 
The LED indicator of the line key 1 on phone A will illuminate solid green and phone B will 
illuminate solid Red.