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Troubleshooting x2 Client Connections
Use the chart below to understand issues affecting your Courier modem and
how to fix them:
Step
This may be the issue
x2 may not be enabled
1
on your Courier.
Several conditions
2
may exist.
Your Courier may be
3
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.
4
10
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 800.550.7800
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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