Welcome
Terminology
Using WebHelp
Overview of NaturalCallControl
Initializing an NCC API application
Processing inbound calls
Processing outbound calls
Other basic call control information
Advanced call control
Function summary
Function reference
Event summary
Event reference
    Overview of the NCC API events
    NCC events and line states
    NCC events and call states
    Numerical event summary
    Using the event reference
    NCCEVN_ACCEPTING_CALL
    NCCEVN_ANSWERING_CALL
    NCCEVN_BILLING_INDICATION
    NCCEVN_BILLING_SET
    NCCEVN_BLOCK_FAILED
    NCCEVN_CALL_CONNECTED
    NCCEVN_CALL_DISCONNECTED
    NCCEVN_CALL_HELD
    NCCEVN_CALL_PROCEEDING
    NCCEVN_CALL_RELEASED
    NCCEVN_CALL_RETRIEVED
    NCCEVN_CALL_STATUS_UPDATE
    NCCEVN_CALLID_AVAILABLE
    NCCEVN_CALLS_BLOCKED
    NCCEVN_CALLS_UNBLOCKED
    NCCEVN_CAPABILITY_UPDATE
    NCCEVN_EXTENDED_CALL_STATUS_UPDATE
    NCCEVN_HOLD_REJECTED
    NCCEVN_INCOMING_CALL
    NCCEVN_LINE_IN_SERVICE
    NCCEVN_LINE_OUT_OF_SERVICE
    NCCEVN_PLACING_CALL
    NCCEVN_PROTOCOL_ERROR
    NCCEVN_PROTOCOL_EVENT
    NCCEVN_RECEIVED_DIGIT
    NCCEVN_REJECTING_CALL
    NCCEVN_REMOTE_ALERTING
    NCCEVN_REMOTE_ANSWERED
    NCCEVN_RETRIEVE_REJECTED
    NCCEVN_SEIZURE_DETECTED
    NCCEVN_START_PROTOCOL_DONE
    NCCEVN_STOP_PROTOCOL_DONE
    NCCEVN_UNBLOCK_FAILED
Demonstration program
NCC API errors
NCC API parameters