Device help

Get step-by-step help and info for your device.

ZTE Wireless Home Phone (WF720)

View user manual

Install The Back-up Battery

This article explains how to properly insert and install your device's back-up battery.

Calling & contacts

No Caller ID Name

This article explains why no caller ID name is displayed with the number.

Get familiar with calling features.

Call Forwarding

Manage call forwarding from your device.

Activate or deactivate the call waiting feature.

Make a call by directly dialing a number.

This article describes how to access TTY support with your device.

Call waiting & 3-way

Three-Way Calling

This article describes how to initiate or cancel a three-way call.

Use Call Waiting or 3-Way Calling

This article describes how to answer a call while on another call and how to make a three person conference call.

Checking The Wireless Signal

Verify a strong wireless signal is being received by your device.

Adding A 3G MicroCell

This article describes how to connect your device to a 3G MicroCell.

Flashing Red Signal Strength LED

This article explains what to do if the signal strength LED is flashing red.

These items are in the box with your new AT&T Wireless Home Phone.

Adjusting The Volume

Raise or lower call volume.

Learn How to Clean Your Device

Get tips on the best way to keep your device clean.

Device Information

This article explains the available functions on your AT&T Wireless Home Phone.

Back-up Battery LED Is Off

This article explains what to do if the back-up battery's LED is off.

Powering The Device On/Off

This article describes how to turn the device on or off.

Connect a Phone

This article describes how to connect existing phones to the AT&T Wireless Home Phone.

Placing A Test Call

Make a test call to confirm proper set up.

This article describes how to connect your device to a power source.

Viruses & Malware

Learn how to determine if you might have harmful software (malware) on your device and get tips to help fix the issue.

Troubleshooting

My Answering Machine Won't Pick Up Calls

This article explains what to do if your answering machine won't answer calls.

Only The Power LED Is Illuminated

This article explains what to do if only the power LED is illuminated.

Red Signal Strength LED

This article explains what to do if the signal strength LED is red.

Signal Strength Indicator Is Blinking Green

This article explains why the signal strength indicator is blinking green.

This article explains what to do when no dial tone can be heard.

I Can't Connect To My 3G MicroCell

This article explains what to do if you cannot connect to your 3G Microcell.

My Phone Doesn't Ring When A Call Comes In

This article explains what to do if your phone doesn't ring when there's an incoming call.

Poor Voice Quality

This article explains what to do if you're experiencing poor voice quality with your device.

SIM Card Doesn't Work In My Mobile Device

This article explains why your SIM card doesn't work in your mobile device.

General Warranty Information

A detailed description of your device's warranty, including contact information for further inquiries.

Voicemail Access

Set up is simple via guided prompts and there are many options for security, greetings and access. Voicemail is included with yourservice and is free of charge.

Set up Voicemail or Answering Machine

Connect your device to a home answering machine to record voicemails.

Common device tutorials

Wi-Fi support

Manage Wi-Fi on your device

Number pad

Find IMEI & serial number

Data usage

Manage data usage

Having device issues?

Fix common service and device problems.