Advanced Phone Features113According to the response message from the server, the IP phone will automaticallyconfigure the BLF List keys beginning from the first unused DSS key (The default order ofBLF list keys assigned automatically is Line Key->Memory Key->Ext Key). Once any DSSkey is seized, the IP phone will skip to configure the next DSS key.You can receive a visual or/and an audio alert (if enabled) on your phone when themonitored user receives an incoming call. For more information, refer to Busy Lamp Field(BLF) on page 109.NoteYou can record calls by pressing a record key on the phone. The SIP-T28P IP phonesupports record and URL record.Two ways of call recording: Record: The phone sends SIP INFO message containing a specific header “Record:on/off” to trigger a recording. URL Record: The phone sends HTTP URL request to trigger a recording. Contact yoursystem administrator for the predefined URL.NoteTo configure a record key via phone user interface:1. Press Menu->Features->DSS Keys->(or Line Keys).2. Select the desired DSS key.3. Press or , or the Switch soft key to select Key Event from the Type field.4. Press or , or the Switch soft key to select Record from the Key Type field.Call record is not available on all servers. Contact your system administrator for moreinformation.The pickup code is used in the following order of preference: BLF List Code(Account->Advanced)>Directed Call Pickup Code (Account->Advanced)>DirectedCall Pickup Code (Features->Call Pickup). If all of them are not configured, pressing theBLF List key will directly call the monitored user when he/she receives an incoming call.For more information about pickup Code, refer to Call Pickup on page 101.