AT&T SB67138 Analog/DECT Black,Silver telephone

SB67138 - 4-Line Corded/Cordless Small Business System with Extendable Range and Push-to-Talk Intercom - DECT 6.0 Zero Blind Slot Digital Technology; can have up to 10 accessory handsets active at the same time (number of active outside calls limited by number of outside phones lines)
- Expandable up to 10 Handsets
- Link 2 or More Repeaters Together
- Handoff Calls Between Repeaters
- Push-To-Talk for Instant Communication between Handsets or Base and Handsets
- 100 Name and Number Directory