- Handset for the ATT-SB67118 and SB67138- 1 to 4 line capability- DECT 6.0 Zero blind slot digital technology- Unsurpassed range - redefining long range coverage and clarity- Push-to-talk intercom - from base to handset and from handset to handset- Expandable system (use up to 10 cordless handsets through a single phone jack)- Intercom and call transfer between handsets and base station- 10 Speed dial and 10 intercom number locations- 3 Party conferencing- Handset speakerphone- Selectable ringtones- Handset, speakerphone, headset and ringer volume control- Last 10 number redial- 100 Name/number phonebook directory- Blue backlit keypad and display- Mute- Hold- Chain dialing- Headset compatible (2.5mm jack) - Caller ID/ Call waiting features- Caller ID displays on the handset and base- 50 Name/number caller ID history- Replacement Battery: BATT-27910