THE HISTORY OF TELEPHONES

By mohamedeh@escolacastelldecaalaell.com

  • TELEGRAM

    TELEGRAM
    The telegrams create in the 1837. The telegram were messages transmitted through an elecrtic device. Seding a telegram via Morse Code.

  • THE FIRST TELEPHONE CALL

    THE FIRST TELEPHONE CALL
    Alexander Graham is the creator from this telephone. He's create in 1876.
    This telephone was used for long-distance call.
    He has create it to communicate with his friend in the room.

  • THE FIRST TELEPHONE TOUCHSCREEN

    THE FIRST TELEPHONE TOUCHSCREEN
    In the 90s (1900) IMB one company, invented the first telephone touchscreen. The people talked on the tis phone, emails and messages. And his a basic apps, calculator and calendar.

  • THE FIRST TELEPHONE INTERNACIONAL

    THE FIRST TELEPHONE INTERNACIONAL
    He create in 1973 the first telephone internacional.