tapiRequestMakeCall The tapiRequestMakeCall function requests the establishment of a voice call. A call-manager application is responsible for establishing the call on behalf of the requesting application, which is then controlled by the user's call-manager application. VB4-32,5,6 Declare Function tapiRequestMakeCall Lib "TAPI32.DLL" (ByVal Dest As String, ByVal AppName As String, ByVal CalledParty As String, ByVal Comment As String) As Long |
Operating Systems Supported |
Requires Windows NT 4.0 SP3 or later; Requires Windows 95 or later |
· lpszDestAddress A pointer to a memory location where the null-terminated destination address of the call request is located. The address can use the canonical address format. Validity of the specified address is not checked by this operation. The maximum length of the address is TAPIMAXDESTADDRESSSIZE characters, which includes the NULL terminator.
· lpszAppName A pointer to a memory location where the null-terminated user-friendly application name of the call request is located. This pointer can be left NULL if the application does not supply an application name. The maximum length of the address is TAPIMAXAPPNAMESIZE characters, which includes the NULL terminator. Longer strings are truncated.
· lpszCalledParty A pointer to a memory location where the null-terminated called party name for the called party of the call is located. This pointer can be left NULL if the application does not wish to supply this information. The maximum length of the string is TAPIMAXCALLEDPARTYSIZE characters, which includes the NULL terminator. Longer strings are truncated.
· lpszComment A pointer to a memory location where the null-terminated comment about the call is located. This pointer can be left NULL if the application does not supply a comment. The maximum length of the address is TAPIMAXCOMMENTSIZE characters, which includes the NULL terminator. Longer strings are truncated. |
Returns zero if the request succeeds or a negative error number if an error occurs. Possible error return value are:
TAPIERR_NOREQUESTRECIPIENT, TAPIERR_INVALDESTADDRESS, TAPIERR_REQUESTQUEUEFULL, TAPIERR_INVALPOINTER. |
|