LINECALLORIGIN_ Constants

The LINECALLORIGIN_ constants describe the origin of a call.

LINECALLORIGIN_INBOUND: The call originated as an inbound call.
LINECALLORIGIN_OUTBOUND: The call originated from this station as an outbound call.
LINECALLORIGIN_INTERNAL: The call originated as an inbound call at a station internal to the same switching environment.
LINECALLORIGIN_EXTERNAL: The call originated as an inbound call on an external line.
LINECALLORIGIN_UNKNOWN: The call is an inbound call, but its origin is currently unknown but may become known later.
LINECALLORIGIN_UNAVAIL: The call is an inbound call, and its origin is not available and cannot become known for this call.
LINECALLORIGIN_CONFERENCE: The call handle is for a conference call, that is, the application's connection to the conference bridge in the switch.

Not extensible. All 32 bits are reserved.

The origin of a call is stored in the call's LINECALLINFO structure.