# nccAnswerCall

Answers a call.

#### Prototype

DWORD nccAnswerCall ( NCC_CALLHD callhd, unsigned num_rings, void *answerparms)

Argument | Description
callhd | Handle of the incoming call.
num_rings | Number of rings to play before answering.
answerparms | Pointer to a protocol-specific Natural Access call answering parameter structure. Specify NULL to use the default values. See the protocol-specific documentation for details.

#### Return values

Return value | Description
SUCCESS |
CTAERR_INVALID_HANDLE | The call handle is not valid. It may have been released.
CTAERR_INVALID_STATE | The line is not in the appropriate state to invoke this function.
CTAERR_SVR_COMM | A server communication error occurred.
NCCERR_INVALID_CALL_STATE | The call is not in the appropriate state to invoke this function.

#### Events

Event | Description
NCCEVN_ANSWERING_CALL | The function completed successfully and the call has entered the answering state.
NCCEVN_CALL_CONNECTED | The call was connected. The call enters the connected state.
NCCEVN_CALL_DISCONNECTED | The remote party disconnected. The call enters the disconnected state.

#### Details

If nccAnswerCall is successful, the call enters the answering state. The application receives NCCEVN_ANSWERING_CALL. When the call is connected, the application receives NCCEVN_CALL_CONNECTED, and the call enters the connected state. If the remote party disconnects while the call is in the answering state, the application receives NCCEVN_CALL_DISCONNECTED.

#### See also

nccAcceptCall, nccRejectCall