... bluetooth subsystem is working. Your bluetooth phone should be paired already. There are page and inquiry scan must be enabled on bluetooth interface (this could be done with the command hciconfig hci0 piscan)
If You use IR connection, IrDA service should be configured and the phone should be visible in output of irdadump utility.
If You plans to use cable connection, be sure the cable is plugged-in :)).
Your cell phone should support event-reporting feature or JSR-82. If You do not any of information just try :-)) to use anyRemote.