Question

Difference of telephone directory and internal telephone directory

Answer 1

Answer:

telephone directory means we can talk directly in another person and proper network be are using no help another people but internal telephone directory means we can not talk simpleton in another person .

Answer 2

Explanation:

A telephone directory, commonly called a telephone book, telephone address book, phone book, or the white and yellow pages, is a listing of telephone subscribers in a geographical area or subscribers to services provided by the organization that publishes the directory..

Hope its help..