Telephone line selector and call accountant

A telephone line selection and accounting system, comprising:

• a. a protective housing;
• b. a user phone controller module located within said protective housing for connecting to an end user telephone comprising a user interface controller connected in parallel to a user tone module, a line blocker, and a carrier tone module;
• c. means for automatically collecting and storing telephone rate information database attached to said protective housing and controlled by said user telephone controller module;
• d. means for updating said rate information database attached to said means for storing;
• e. a line switch controller connected to and controlled by said user phone controller module;
• f. an electronically controlled line switching unit attached to and controlled by said line switch controller;
• g. means for connecting to carrier central offices attached to the electronically controlled line switching unit;
• h. a high speed shared bus connecting said user phone controller module with said means for storing, and said line switch controller:
• i. means for displaying elapsed time and cost information during a call affixed to said protective housing and electrically connected to said user phone controller module;
• j. means for accumulating call accounting information connected to said high speed shared bus;
• and
• k. means for analyzing the call accounting information connected to said high speed shared bus.