Call-Control Message Summary Descriptions

This table lists the call-control messages in the Unified CCX CTI protocol. See Message Type Definitions for each message definition.

Call-Control Message List
Message	Purpose
CONTROL_FAILURE_CONF	Indicates that the previously requested control-service function identified by the given invokeID was unsuccessful.
QUERY_DEVICE_INFO_REQ	Allows a client to retrieve general information about a specified device.
QUERY_DEVICE_INFO_CONF	Confirms the successful completion of the QUERY_DEVICE_INFO_REQ message.
ALTERNATE_CALL_REQ	Allows a client to request the combined action of placing an active call on hold and then either retrieving a previously held call or answering an alerting call at the same device.
ALTERNATE_CALL_CONF	Confirms successful completion of the ALTERNATE_CALL_REQ message.
ANSWER_CALL_REQ	Allows a client to connect to an alerting call at the device that is alerting.
ANSWER_CALL_CONF	Confirms the successful completion of the ANSWER_CALL_REQ message.
CLEAR_CALL_REQ	Allows a client to release all devices from the specified call without regard to the number of other call parties.
CLEAR_CALL_CONF	Confirms the successful completion of the CLEAR_CALL_REQ message.
CLEAR_CONNECTION_REQ	Allows a client to release a specific device connection from the designated call.
CONFERENCE_CALL_CONF	Confirms the successful completion of the CLEAR_CONNECTION_REQ message.
CONFERENCE_CALL_REQ	Allows a client to conference an existing held call with another active call.
CONFERENCE_CALL_CONF	Confirms the successful completion of the CONFERENCE_CALL_REQ message.
CONSULT_CALL_REQ	Allows the client to request the combined action of placing an active call on hold and then making a new call.
CONSULT_CALL_CONF	Confirms the successful completion of the CONSULT_CALL_REQ message.
HOLD_CALL_REQ	Allows a client to put an existing call connection into the held state.
HOLD_CALL_CONF	Confirms the successful completion of the HOLD_CALL_REQ message.
MAKE_CALL_REQ	Allows a client to initiate a call between two devices.
MAKE_CALL_CONF	Confirms the successful completion of the MAKE_CALL_REQ message.
RECONNECT_CALL_REQ	Allows a client to reconnect a call.
RECONNECT_CALL_CONF	Confirms the successful completion of the RECONNECT_CALL_CONF message.
RETRIEVE_CALL_REQ	Allows a client to retrieve an existing held call.
RETRIEVE_CALL_CONF	Confirms the successful completion of the RETRIEVE_CALL_REQ message.
TRANSFER_CALL_REQ	Allows a client to transfer a held call with an active call at the same device.
TRANSFER_CALL_CONF	Confirms the successful completion of the TRANSFER_CALL_REQ message.
SEND_DTMF_SIGNAL_REQ	Allows a client to have the server transmit a sequence of DTMF tones on behalf of a call party.
SEND_DTMF_SIGNAL_CONF	Confirms the successful completion of the SEND_DTMF_SIGNAL_REQ message.
BAD_CALL_REQ	Allows a client to notify the server of the bad quality of a call.
BAD_CALL_CONF	Confirms the successful completion of the BAD_CALL_REQ message.
SNAPSHOT_CALL_REQ	Allows a client to retrieve information on a specified call.
SNAPSHOT_CALL_CONF	Confirms the successful completion of the SNAPSHOT_CALL_REQ message.
SNAPSHOT_DEVICE_REQ	Allows a client to retrieve information on a specified device.
SNAPSHOT_DEVICE_CONF	Confirms the successful completion of the SNAPSHOT_DEVICE_REQ message.