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Troubleshooting x2 Client Connections
Use the chart below to understand issues affecting your Courier V.Everything
with x2 and how to fix them:
This may be the issue
x2 may not be enabled
on your Courier.
Several conditions
may exist.
Your Courier may be
connected to the
public network via a
PBX or other
telephone equipment
with analog-to-digital
and digital-to-analog
conversions.
There is another issue.
10-8
Do this
See the section "How to Tell if x2 is Enabled" (Use
the ATI7 command)
Use the ATI11 command and check the "x2 status"
field for more information.
If this message
appears
"Multiple CODECS
in channel"
"Remote modem is
not x2"
"Channel is x2-
capable but feature
is not installed"
Contact your telephone equipment vendor for
information about obtaining pure analog service.
Due to extra analog-to-digital conversions
performed by some PBX's and other telephone
equipment, x2 client modems may not be able to
make x2 connections.
Do the following:
•
Visit the U.S. Robotics x2 web site at
http:/ / www.usr.com/x2
•
Contact U.S. Robotics Technical Support at
800.231.8770
Courier V.Everything Getting Started Guide
You cannot use x2 because
There are multiple analog-
to-digital conversions on
the channel.
The remote modem does
not support x2.
You have not purchased x2.
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