21
If the software does not have speaker settings, add one of the
AT
commands listed below to the initialization string:
L1
for low volume
L2
for medium volume
L3
for highest volume
M0
to turn the speaker off entirely
For example, if you want the volume low and the software uses
the initialization string
AT &F
, change it to
AT &F L1
.
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, includ-
ing any required dial prefixes.
•
If you are using tone dialing on a line that requires pulse dial-
ing, the line may not be able to accept tone-dialed calls. Se-
lect
Pulse dialing
in your software, or make sure software dial-
ing prefix is
ATDP
(for pulse dialing).Double-click
Computer
or
My Computer
, then click the
Networking
icons and tasks to view
current
Network Connections
. Double-click the icon for your ISP
connection, click
Properties
, then select
Pulse dial
. Click
Apply,
then
OK
to change the dialing mode and to exit.
•
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.
Problem
Telephony voice features do not work, or they work poorly.
Solution
The PCI Express Modem is designed to work with voice software
that is compatible with Windows TAPI (Telephony Application
Programming Interface) or with software that uses IS-101 com-
mands (IS-101 commands are sometimes V com-
