AT&T EL52200 Quick Start Manual page 23

• When using a speakerphone, controlling background noise in your environment is
essential. While you are listening to your party, press MUTE/
turn your microphone off. When it is your turn to speak, remember to press
MUTE/
DELETE
• Excessive background noise will cause a speakerphone to fade in and out. Try
controlling the background noise by turning off any audio devices near the
speakerphone. Also, try to avoid interrupting the person at the other end of the
conversation while they are speaking. If background noise cannot be controlled, you
should terminate speakerphone operation and return to normal handset mode.
I hear other calls while using my telephone.
• Disconnect the telephone base from the telephone wall jack, and plug in a different
telephone. If you still hear other calls, the problem is probably in your wiring or
telephone service. Call your telephone service provider (charges may apply).
I subscribe to a nontraditional telephone service that uses my computer to establish
connections, and my telephone doesn't work.
• Make sure your computer is powered on.
• Make sure your Internet connection is working properly.
• Make sure that the software is installed and running for your nontraditional
telephone service.
• Make sure to plug your USB telephone adapter into a dedicated USB port on your
computer. Do not plug into a multiple port USB hub (USB splitter) that is not powered.
• In a few rare instances, the USB port on your computer may not have enough power.
In these instances, try using a USB hub with its own external power supply.
• If you are using a firewall, it may prevent access to your nontraditional telephone
service. Contact your service provider for more information.
again to turn the microphone on.
22
to temporarily
DELETE