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AT&T
1856
Technical specifications
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Technical specifications
Operation temperature
Telephone voltage
(AC adapter input)
AC120V 60Hz 5W
44
Telephone voltage
(AC adapter output)
AC6V @350mA
Appendix
32°F — 122°F
0°C — 50°C
Contents
Main
Congratulations
STOP!
Table of contents
Getting started
Telephone operation
Directory
1856 Speakerphone/ answering system with caller ID/call waiting
Quick reference guide
Parts checklist
Before you install
Telephone base installation
Installation options
Wall installation
Installation options
Tabletop installation
Page
Telephone settings
Telephone operation
Options while on calls
Directory
Speed dialing
One-touch dialing
Page
Caller ID history
555-0100
PAT WILLIA MS
12:34 10-23
0 0
To review the call history
Delete or copy an entry
Answering system operation
Answering system mode
Day & time announcements
1.
2.
3.
4.
Outgoing announcements
A
Announce only mode
3.
2.
1.
AO
Changing feature options
2.
4.
3.
1.
Page
Message playback
To record & play memos
To record & play a phone conversation
Message counter displays
Message window.
Remote access
1.
2.
3.
4.
Display screen messages, tones & lights
CL
Page
Page
Page
Page
Important product information
1 (800 ) 222 -3111
SAVE THESE INSTRUCTIONS
Page
FCC and ACTA information
Part 15 of FCC rules
1 (800) 222-3111 .
www.telephones.att.com or call 1 (800) 222-3111. In Canada,
Please retain your original sales receipt as proof of purchase.
Technical specifications
Index
Remote access wallet card