Err Msg: Another Program Is Using the Selected Telephony...

ID: Q158370

The information in this article applies to:
  • Microsoft Windows NT Server version 4.0
  • Microsoft Windows NT Workstation version 4.0

SYMPTOMS

When you add a second modem to a computer and attempt to use it, you may receive the following error message:

Another program is using the selected telephony device. Try again after other program completes.


CAUSE

This error message occurs if a telephony program was started before the modem was added.


RESOLUTION

You must shut down and restart the computer before you can use the second modem.


MORE INFORMATION

When a modem is used, the following components are loaded into memory:

  • Modem.sys


  • Tapisrv.exe


  • Unimodem.tsp


Until these components are unloaded, a TAPI-aware program cannot use a modem that was added after these components were started.

Additional query words: prodnt

Keywords : kbsetup ntras nthw ntconfig NTSrvWkst
Version : 4.0
Platform : winnt
Issue type :


Last Reviewed: January 27, 1999
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