public static extern Acs.RetCode_t attSetBillRate(
[In, Out]
Acs.PrivateData_t privateData,
Csta.ConnectionID_t call,
Att.ATTBillType_t billType,
float billrate);
public static extern Acs.RetCode_t attSingleStepConferenceCall(
[In, Out]
Acs.PrivateData_t privateData,
Csta.ConnectionID_t activeCall,
ref Csta.DeviceID_t deviceToBeJoin,
Att.ATTParticipationType_t participationType,
bool alertDestination);
public static extern Acs.RetCode_t attMonitorFilterExt(
[In, Out]
Acs.PrivateData_t privateData,
Att.ATTPrivateFilter_t privateFilter);