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

 Last reviewed: March 28, 1997
Article 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 ntconfig nthw ntras NTSrvWkst
Version : 4.0
Platform : WinNT
Issue type : kberrmsg

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Last reviewed: March 28, 1997
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