Advanced  Phone  Features 
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2.  Click on Advanced, and then select Draft BLA from the pull-down list of Shared Line. 
3.  Enter the desired number in the BLA Number field. 
 
4.  Click Confirm to accept the change. 
Using BLA Feature on the IP Phone 
This section provides you with detailed information on using the SIP-T54S media IP phone in a 
BLA scenario. In a BLA scenario, the status of the line key LED which associates with a bridged 
line will change. For more information on line key LED indicators, refer to Icon Instructions on 
page 3. 
You can do the following using the IP phone in a BLA scenario: 
  Placing calls 
  Answering calls 
  Place a call on hold 
  Retrieving a held call 
Placing Calls 
You can have one call or multiple calls on the bridged line. 
To place a call on the bridged 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.