HI As maentioned above i rebooted , and did not help . 4 BLF's Flashing red ,,can't be used as DSS buttons u have to hit intercom and dial ext. # for it worked Intercom 1 stays red all the time. Not sure it is a conflict with the programming i did. ? ...... The phones digit 9508 reception has the DSS/BLF Module. ,,,,,Thks . for any tips.