Nortel Softphone 2050 User Manual page 111

Make sure the IP Softphone 2050 is active before using the feature. If it is
running, close the application and restart it. Try your call again. If the error
is still not resolved, contact your administrator.
TAPI service provider is missing
Description:
An error message appears when placing a call from a TAPI application
indicating that a required line is not installed or is unavailable.
Potential causes:
• The file needed for TAPI service has been removed from the system
or is corrupt.
Action:
Verify that the IP Softphone 2050 TAPI Service Provider is in the list of
available telephony service providers by doing the following:
1. Select Start > Control Panel > Phone and Modem Options >
Advanced.
2. Check the list of available telephony providers for the IP Softphone
2050 TAPI Service Provider. If it is not listed, click the
try and add it.
If you are unable to add the IP Softphone 2050 TAPI Service Provider to
the list, contact your administrator.
Troubleshooting the IP Softphone 2050
Add button to
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