The AT&T EL52215 2 Handset Answering System with Caller ID is Simulated full-duplex handset speakerphone. Many phone systems can extend all the way to 12 handsets from a single phone jack. 2-line 2 handset answering system with dual caller ID/call waiting.

Features:

1. 2 Handset Answering System with Caller ID/Call Waiting
2. Simulated full-duplex handset speakerphone
3. 22 minutes of digital recording time
4. 30 name and number caller ID history
5. Extra large display
6. Table and wall mountable
7. Backlit display and keypad
8. ECO mode power-conserving technology
9. Quiet mode
10. Call block
11. Expandable up to 5 handsets (accessory handset EL50005)
12. DECT 6.0
13. Call screening
14. Call intercept
15. Remote access
16. Message retrieval from handset
17. Message time stamp
18. Intercom between handsets
19. Conference between an outside line and up to 4 cordless handsets
20. 50 name and number phonebook directory
21. Volume control
22. Voicemail waiting indicator
23. Last 10 number redial
24. Mute
25. Any key answer
26. Battery type: 2.4V 300mAh nickel metal-hydride