Make & receive calls on cell phone plans while using the comfort & convenience of your home phone system. Pair up to two Bluetooth ® compatible cell phones with the base station & enjoy conferencing & call transfer capabilities. Download up to 6,000 cellular phonebook entries to system handsets. Distinctive ringer tones for cell & land line calls make it easy to distinguish between the two. Four, pre-set equalizer programs let you choose the sound quality that best fits your hearing. Expandable system makes it easy to add cordless handsets in any room. Answering System: Digital; Lines: 1; Telephone Type: Cordless; Caller ID / Type: Handset.