This issue has happen on two jobs. While checking Vm messages in cadence the display (on the phone) goes blank during listening to message, and somtime when I press 3 to delete them, the display (on the phone) dosent come back on until sometime during the next message. I call samsung Tech support and they say they never have heard of this issue. Please help Its driving me crazy. all the Falcon phone are new and so is the Cadence. Samsung is no help. System Dcs w/ expan. cabinet. I am certified By samsung