The SA2532K is a CMOS integrated circuit that contains all the functions needed to form a high performance electronic telephone. The device incorporates LD/MF repertory dialling, melody generation, ring frequency discrimination and a high quality speech circuit. Soft switch into temporary MF mode using * when LD mode is selected .Timed Break Recall will be available in both LD and MF dialling modes. A 31 digit Last Number Redial (LNR) memory, with moving cursor protocol, activated by single key depression.