From the manufacturer

Included Items:
- Telephone base with wall-mount bracket attached.
- Handset.
- Handset coiled cord.
- 1 short telephone line cord.
- 2 long telephone line cords.
- Power adapter.
- Replacement directory card.
- User manual.
- Quick start guide.
- Installation guide.
AT&T 1070 4-Line Corded Phone System
1 Handset, Silver/Black
General Features:
- 1- tp 4-Line small business phone system.
- Speakerphone.
- 32-number speed dial.
- Headset compatible.
- Selectable ringer tones.
- DSL compatible.
- Data Port.
- Auto Redial.
- Last 6 number redial.
- English/Spanish/French setup menu.
- Ringer volume control.
- Large, blue-lighted display.
- New Message Indicator.
- Expandable System.
- Page, Intercom and Call Transfer between Stations.
Key Features:
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1- to 4-line CapacityCompatible with as few as 1, and as many as 4, telephone lines. |
Expandable SystemCompatible with as few as 1, and as many as 4, telephone lines.Allows you to grow into a fully featured telephone system from 1 station up to a maximum of 16 stations. |
SpeakerphoneAllows you to speak and listen without holding the handset. This leaves your hands free to do other things and lets more people in on the conversation. |
3-Party ConferencingAllows you to have a 3-way conversation between you and 2 other parties. |
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32-number Speed DialStores up to 32 phone numbers for easy dialing. |
Call Waiting / Caller IDAllows you to view the name, number, time and date of incoming calls at a glance, even those on call waiting. |
DSL CompatibleFully compatible with DSL for service, however all DSL lines must have either filters or splitters. |
Battery Backup on all 4 linesPower failure operation on all 4 lines as long as a working 9V battery is installed. Basic calling and answering features will be available. |
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AT&T 1040 4-Line Expandable Corded Phone System with Speakerphone | AT&T 1070 4-Line Expandable Corded Phone System with Caller ID/Call Waiting and Speakerphone | AT&T 1080 4-Line Speakerphone with Answering System and Caller ID | |
Style | Corded, 4-line phone, silver/black | Corded, 4-line phone, silver/black | Corded, 4-line phone, silver/black |
1- to 4-line capability | ✓ | ✓ | ✓ |
Speakerphone | ✓ | ✓ | ✓ |
Caller ID/Call Waiting | ✓ | ✓ | |
New Call/Message indicator | New message indicator only | New Call and New Message indicator | New Call and New Message indicator |
Auto Attendant on each line | Auto Attendant on Each Line | ||
Digital Answering System | Digitally records up to 60 minutes of incoming messages, outgoing announcements and memos. | ||
3-Party Conferencing | ✓ | ✓ | ✓ |
Expandable System up to 16 stations | ✓ | ✓ | ✓ |
Hearing Aid compatible | ✓ | ✓ | ✓ |