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Chapter 7 - Troubleshooting
Multi-Tech Systems, Inc. MT5634ZBA-Series User Guide 30
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
· Communication devices can be accessed by only one application at a time. Under DOS or Windows
3.1x, you can run either your fax software or your data communications software, but not both at the
same time, unless you have a special communication device management application. In Windows
95 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.