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AT&T MF279 - Device Setup and Operation

AT&T MF279
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How It Works
The AT&T Wireless Internet device uses the AT&T cellular network to provide phone
service to your cordless or corded home phone(s) and Internet access to your
computer and Wi-Fi enabled devices. Place it anywhere in your home where you
have a strong wireless signal. It does not require the use of a home phone wall jack,
unlike traditional home phone service.
The AT&T Wireless Internet device provides many calling services, such as Voicemail,
Caller Number ID, Call Waiting, Call Forwarding, and Three-Way Calling, for your
home phone(s). It also includes a backup battery in case of a power outage.
Device Installation
Before You Begin
The AT&T Wireless Internet device works exclusively with the AT&T
cellular network
and DOES NOT use your home phone wall jacks.
Your device should be located:
Where you have a strong signal from a cell
tower, typically near a window or outer
wall. Signal strength may vary in dierent
parts of your home.
Near an electrical wall outlet.
In the general area where you’ll be using
your home phone, computer, or Wi-Fi
enabled devices.
Select which phone and computer/Wi-Fi
enabled
device you will use with the
AT&T Wireless Internet device:
A cordless phone system with multiple handsets should be used to place
phones throughout your home.
If using an existing phone, unplug it from the wall jack.
For Internet access, you can simultaneously connect up to ten (10) devices per
Wi-Fi network (2.4 GHz and 5 GHz), twenty (20) total, and one (1) via Ethernet.
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