2-Line 5.8GHz Accessory Handset for ATT-EP5962- AT&T 5.8GHz 2-line accessory handset- For use with the ATT-EP5962 system- Caller ID call waiting caller ID- 50# Caller ID memory-Caller ID message link- 50# Phonebook- 3-Line backlit LCD- Digital spread spectrum frequency hopping technology- Handset speakerphone-Answering machine message retrieval from handset- 802.11 Wireless network friendly- Conferencing- Announced call transfer- 2-Way page/intercom- On-hook dialing- Display dial- Lighted keypad- Redial/flash/mute/hold- 2.5mm Headset jack- Charging indication LED- Receiver volume control- Line-in-use indication- Adjustable ringer volume- NOT compatible with the ATT-EP590-3!!!- SilverATTEP5902HHR-P103A or BATT-103