User's Manual

Troubleshooting 29
Key presses are
not received by
some automated
systems
• Adjust key beep length (see page 18).
Data call or fax
transmission is
not successful
• Verify services are available from your provider.
• Recheck your hardware connections and software
configuration.
– Is the correct modem port selected?
– Is the baud rate set to 19200 or lower?
• Was the phone number you dialed a data number?
• Did you add #3282 (#DATA) to the data phone
number?
– Try to call a known data number.
• Did you add #329 (#FAX) to the fax phone
number?
• Try dialing the number from a touchtone
telephone without the #3282 prefix. Did you hear
a busy signal, voice, or modem tones?
– If you heard a busy signal, call the number at a
later time.
– If you heard a voice, verify that the number you
dialed is correct, or request that a data device
(for example, a computer and modem) be
turned on at the location you called.
– If you heard modem tones, verify that your
computer's communication software was
properly installed and configured.
• Verify that the timeout of your modem hardware is
greater than 90 seconds.
– If the modem hardware timeout is less than 90
seconds, consult your modem user guide and
adjust the modem timeout with AT commands.