TAPI

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I am trying to develop a little phone dialer for windows ce 5.0 and each time I try to call a function like lineHold or lineGenerateDigits, the API return LINEERR_OPERATIONUNAVAIL...

The API configuration I put is :

LINEBEARERMODE_VOICE
LINEMEDIAMODE_DATAMODEM
LINECALLPRIVILEGE_NONE

I try LINECALLPRIVILEGE_OWNER & LINEMEDIAMODE_INTERACTIVEVOICE and
LINECALLPRIVILEGE_NONE & LINEMEDIAMODE_INTERACTIVEVOICE ... but I just get the same error or
LINEERR_INVALMEDIAMODE...

It's the first time I use TAPI, could someone help?

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