This Panasonic DBS phone provides 6 flexible feature or line keys and 10 personal speed dial keys. The phone supports handsfree answerback on intercom, off hook voice announce, and headsets. Requires V 8.0 software on DBS and V3.20 on the 824 for new features Vb-44210 Panasonic Dbs Phone. Panasonic, Pbx Phone Systems, Audio, Electronics