How can i create a search engine for a telephone directory book accessible via cellphone?

a search engine that when you sms the name of person or company you looking for, your service provider would reply you in a considerable amount of time with the contact details.This will come handy for businessmen unlike of spending hours looking for a telephone directory or carrying one would just be cumbersome.|||Your wasting your time because there are loads of them


already in existence.





Also you would be infringing someone's copyright somewhere


along the line into the bargain!|||Dont most contact lists in cellphones/mobiles already do this? Most let you type a letter in or name , number or whatever to lookup a contact quickly.