| CallControlAPI | Extension methods for CallControlAPI |
| CallControlResult |
Call control result Final status of CallControl requests It is provide as CallControl task result or additional information for the OperationFailed exception (TheResult |
| OperationFailed | An exception generated when PBX rejects the request. |
| PBXConnection | Connection to PBX call service. |
| PBXIsNotConnected | An exception generated when connection with PBX is not available. |
| CallControlAPIDivertReason | Diversion reason. |
| CallControlResultCallRequestStatus | Final state of call control request reported by call manager |
| CallControlResultReasonOfFailure | The reason of failure. |
| PBXConnectionBargeInMode | Barge in mode |