1. A system for retaining calls into a call center, comprising: a call center to receive a multiplicity of calls; a determination module to determine the nature of each call; a temporary storage module to temporarily store a recording of each call; a retention module to compare criteria to the calls during times comprising prior to, during, and after each call, to identify those calls that satisfy the criteria during at least one of the times comprising prior to, during, and after that call, and to transfer the temporarily stored recordings associated with the calls that satisfy the criteria to a common call database; and a disposal module to discard those of the temporarily stored calls that do not satisfy the criteria at periodic time intervals.