PHONE_REPLY message
The TAPI PHONE_REPLY message is sent to an application to report the results of function call that completed asynchronously.
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hPhone
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Unused.
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dwCallbackInstance
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Returns the application's callback instance.
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dwParam1
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The request identifier for which this is the reply.
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dwParam2
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The success or error indication. The application should cast this parameter into a LONG. Zero indicates success; a negative number indicates an error.
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dwParam3
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Unused.
No return value.
Functions that operate asynchronously return a positive request identifier value to the application. This request identifier is returned with the reply message to identify the request that was completed. The other parameter for the PHONE_REPLY message carries the success or failure indication. Possible errors are the same as those defined by the corresponding function. This message cannot be disabled.
Requirement | Value |
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TAPI version |
Requires TAPI 2.0 or later |
Header |
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