2.2.4.1.3.6 DeallocateCall
The DeallocateCall packet is transmitted from a TAPI client to a TAPI server in a remote procedure call. Sending this packet MUST deallocate the call after completing or aborting all outstanding asynchronous operations on the call.
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Req_Func |
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Reserved1 |
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hCall |
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Reserved2 |
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Reserved3 |
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Reserved4 |
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Reserved5 |
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Reserved6 |
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Reserved7 |
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Reserved8 |
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Reserved9 |
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Reserved10 |
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Reserved11 |
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Reserved12 |
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Reserved13 |
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Req_Func (4 bytes): An unsigned 32-bit integer. The identifier of the function that will be invoked on the remote server. This value MUST be set to 12.
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Return Values
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On completion of ClientRequest, this field contains the result of the encapsulated telephony request. A value of 0 indicates success, and a LINEERR_Constants value indicates failure. The remote server MUST complete this call synchronously.
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MUST return zero if the function succeeds or an error number if an error occurs. Common return values are as follows:
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Name
Value
LINEERR_NOMEM
0x80000044
LINEERR_OPERATIONFAILED
0x80000048
LINEERR_OPERATIONUNAVAIL
0x80000049
LINEERR_RESOURCEUNAVAIL
0x8000004B
Reserved1 (4 bytes): An unsigned 32-bit integer. MUST be set to zero when sent and MUST be ignored on receipt.
hCall (4 bytes): An HCALL. The call handle to be deallocated. One way of obtaining a valid hCall is by sending the MakeCall packet. An application with monitoring privileges for a call can always deallocate its handle for that call. An application with owner privilege for a call can deallocate its handle unless it is the only owner of the call and the call is not in the idle state. The call handle is no longer valid after it has been deallocated.
Reserved2 (4 bytes): An unsigned 32-bit integer. This field is used for padding and MUST be ignored on receipt. It can be any value.
Reserved3 (4 bytes): An unsigned 32-bit integer. This field is used for padding and MUST be ignored on receipt. It can be any value.
Reserved4 (4 bytes): An unsigned 32-bit integer. This field is used for padding and MUST be ignored on receipt. It can be any value.
Reserved5 (4 bytes): An unsigned 32-bit integer. This field is used for padding and MUST be ignored on receipt. It can be any value.
Reserved6 (4 bytes): An unsigned 32-bit integer. This field is used for padding and MUST be ignored on receipt. It can be any value.
Reserved7 (4 bytes): An unsigned 32-bit integer. This field is used for padding and MUST be ignored on receipt. It can be any value.
Reserved8 (4 bytes): An unsigned 32-bit integer. This field is used for padding and MUST be ignored on receipt. It can be any value.
Reserved9 (4 bytes): An unsigned 32-bit integer. This field is used for padding and MUST be ignored on receipt. It can be any value.
Reserved10 (4 bytes): An unsigned 32-bit integer. This field is used for padding and MUST be ignored on receipt. It can be any value.
Reserved11 (4 bytes): An unsigned 32-bit integer. This field is used for padding and MUST be ignored on receipt. It can be any value.
Reserved12 (4 bytes): An unsigned 32-bit integer. This field is used for padding and MUST be ignored on receipt. It can be any value.
Reserved13 (4 bytes): An unsigned 32-bit integer. This field is used for padding and MUST be ignored on receipt. It can be any value.