Advanced Phone Features91This chapter provides operating instructions for the advanced features of the SIP-T38G IPphone. The topics include: Busy Lamp Field (BLF) BLF List Shared Line Call Recording Hot Desking Intercom Automatic Call Distribution (ACD) MessagesIf you require additional information or assistance with your new phone, contact yoursystem administrator.You can use the BLF feature to monitor a specific user for status changes on the phone.For example, you can configure a BLF key on the phone for monitoring the status of afriend’s phone (busy or idle). When the friend picks up his phone to make a call, the BLFkey (memory key) LED illuminates solid red on your phone to indicate that the friend’sphone is in use and busy. For more BLF key LED indications, refer to LED Instructions onpage 5.You can press a BLF key to dial out the monitored phone number when it is idle. You canreceive a visual alert and an audio alert when the monitored phone is ringing. You canalso pick up a call directly by pressing the BLF key when the monitored phone is ringing.For more information, contact your system administrator.To configure a BLF key via phone user interface:1. Press Menu->Features->DSS Keys->Memory Keys (or Line Keys).2. Select the desired DSS key.3. Press or , or the Switch soft key to select BLF from the Type field.4. Press or , or the Switch soft key to select the desired line from the Account IDfield.5. Enter the phone number or extension you want to monitor in the Value field.