28 Quick Start and Reference Guide
For example, if you want the volume low and
the software uses the initialization string
AT &F, change it to AT &F L1.
Dial Troubleshooting
Problem: The modem does not automatically dial a
call when you send a Dial command.
Solution: Make sure the modem speaker is turned on in
your software so that you can hear dialing
sounds. Also, make sure that the phone line is
plugged in.
Make sure that you are dialing a valid phone
number, including any required dial prefixes.
If you are using tone dialing on a line that re-
quires pulse dialing, the line may not be able
to accept tone-dialed calls. Select Pulse dialing
in your software, or make sure software dialing
prefix is ATDP (for pulse dialing).
Make sure your communications software and
modem are configured for the same COM port.
Make sure your modem has hung up from the
previous call. Select Hang Up in your software;
or type ATH in terminal mode.
Voice Troubleshooting
Problem: Voice features do not work, or they work
poorly.
Solution: The PCI faxmodem is designed to work with
voice software that is compatible with Win-
dows TAPI (Telephony Application Program-
ming Interface) or with software that uses IS-
101 commands (IS-101 commands are some-
times called +V commands). Consult your
voice software’s documentation to determine
whether it supports TAPI and/or IS-101. Also,
be sure you are using the latest 32-bit version
of the software.
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