TAPI Error Values


The pointer to the destination address is not valid, is NULL, or the destination address string is too long.


The pointer does not reference a valid memory location. One or more of the pointers lpszDestAddress, lpszAppName, lpszCalledParty, or lpszComment have been specified but are invalid.


No recipient application is available to handle the request. The user should start the recipient application and try again.


The request failed for unspecified reasons.


A recipient application is active, but the request queue is full or there is insufficient memory to expand the queue. The application can try again later.

Any other TAPIERR_ values are nonfunctional in Win32-based applications and must not be used.

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