Information is changed in the lineCallInfo structure.
line_CallState
The state of the call is changed. See dwCallStates in the lineAddressCaps structure for the list of states supported.
line_lineDevState
The line device state is changed. The second parameter might be any one of the following:
lineDevState_DevSpecific: Dev specific information changed.
lineDevState_Connected, lineDevState_Disconnected: The connected state of the line changed.
lineDevState_OutOfService: The TSP has lost communication with the switch. The line is out of service.
lineDevState_InService: The TSP lost connection to the switch but has now recovered and the line is back in service.
lineDevState_Ringing: The switch detected that the caller’s phone is ringing.
line_DevSpecific
Notifies the application about device-specific events occurring on a line, address, or call. This message prompts the application to call lineGetLineDevStatus and analyze the dev specific buffer for changes.
line_AddressState
The status of an address is changed on a line that is currently open.
