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Chapter 5 - Troubleshooting
Multi-Tech Systems, Inc. MT9234ZBA-USB User Guide (S000419C) 27
The Modem Doesn’t Work with Caller ID
•
Caller ID information is transmitted between the first and second rings, so if autoanswer is turned off
(
S0=0
) or if the modem is set to answer after only one ring (
S0=1
), the modem will not receive Caller
ID information. Check your initialization string, and if necessary change it to set the modem to
answer after the second ring (
S0=2
).
•
Make sure that you have Caller ID service from your telephone company.
Fax and Data Software Can’t Run at the Same Time
•
Communications devices can be accessed by only one application at a time. In Windows 2003 and
higher, you can have data and fax communication applications open at the same time, but they
cannot use the same modem at the same time.