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24 Troubleshooting 25Troubleshooting
Problem Possible Solution
Poor voice
quality
• Make sure all connections are rmly in place.
• Make sure the external antenna is installed and
securely fastened.
• Move your device to another area of the home
with a strong wireless signal (3 green bars or
more), typically near a window or outside wall.
• Make sure the home phone that is connected
to the Wireless Home Phone base is of good
quality and in good working order.
• Install using the phone cable included with the
Wireless Home Phone base.
• Make sure the antenna is in a vertical position
and increase the distance away from other
electronic devices and the Wireless Home
Phone base (including cordless base stations,
Wi-Fi routers, and cell phones).
• Voice quality may degrade with a low battery
charge (red) when operating with battery.
Connect to an AC power source to recharge
when power is available.
Wireless
Service
indicator is
blinking green
• The Wireless Home Phone base is connected to
a 3G MicroCell, and is operating properly.
Problem Possible Solution
Wireless
Service
indicator
displays a red
antenna and
no bars are lit
• Make sure the external antenna is installed and
securely fastened.
• Move your device to another area with sufcient
network signal (at least 1 to 2 green bars are
displayed).
Solid red
Wireless
Service
indicator
(all other
indicators
solid green)
A software update is in progress and may take
up to 7 minutes to complete. Once complete,
the LEDs on your Wireless Home Phone base will
return to normal state.
Blinking red
Wireless
Service
indicator
• SIM is missing or not installed properly.
1) Remove the battery cover and battery.
2) Locate the SIM card slot and insert the SIM
card into the slot until secure.
• SIM card may be invalid or damaged and needs
to be replaced. For a replacement SIM card, take
your Wireless Home Phone base to your local
AT&T store. Or, call AT&T Customer Care at
1-800-331-0500.