@class NSNumber; @interface CallDBProperties : NSManagedObject @property (retain, nonatomic) NSNumber *timer_outgoing; @property (retain, nonatomic) NSNumber *timer_incoming; @property (retain, nonatomic) NSNumber *timer_all; @property (retain, nonatomic) NSNumber *timer_lifetime; @property (retain, nonatomic) NSNumber *timer_last; @end