DESC: Siemens Gigaset 4215 is expandable digital cordless phone system with digital answering machine and GigaVoice.??PRODUCT FEATURES: ??2.4 GHz digital frequency hopping spread spectrum; ?GigaVoice voice activated dialing and voice announced Caller ID; ?Expandable up to 4 cordless handsets; ?Digital answering machine with 33 minutes record time; ?Revolutionary buttonless base design puts all controls in the handset; ?Superior voice quality and security with advanced German engineering from the number one cordless brand in Europe; ?Single line, multi-user; ?Full duplex handset speakerphone.