Startup Idea: Script to Filter Duplicate Call Numbers

Startup idea to develop a script or software for call centers. The proposed program aims to eliminate redundancy by filtering out already called numbers, hence streamlining marketing and communication efforts.

i am working in a call center ,in our daily work we need to scan and search the callers to market or define about some products,in that scenario we are facing the duplication of numbers. so we had lot of issues regarding this,so we need a script that filters the already called numbers to avoid the problem, we can pay for the software.