Abstract: A computerized method for managing storage of interactions of calls received by a communication apparatus, comprising creating on a storage device by a computerized apparatus in advance of the calls a hierarchy of partitions comprising an at least one date partition representing a date and a plurality of time partitions representing times of the date descendent from the at least one date partition, thereby consecutively representing time intervals, and according to an agreed upon convention of the hierarchy of partitions and representations thereof created in advance of the calls, autonomously recording interactions of the calls in a time partition representative of beginning of a time interval in which the calls were received, and an apparatus for performing the same.