Tapi Problems - Avaya 2050 User Manual

Troubleshooting the Avaya 2050 IP Softphone
Sound still comes out of my computer speakers
Description:
The Avaya 2050 IP Softphone configuration does not direct all call audio
to the headset.
Action:
To direct all call audio to your headset, select USB Audio Device as both
headset microphone and headset speaker in the Sound Devices dialog
box (see "Sound Devices" on page 89).

TAPI problems

As the TAPI feature is intended for use with third-party applications, most
errors related to TAPI are resolved by consulting the documentation for
the application that is generating the errors.
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