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  2. Speaking clock - Wikipedia

    en.wikipedia.org/wiki/Speaking_clock

    A speaking clock or talking clock is a live or recorded human voice service, usually accessed by telephone, that gives the correct time. The first telephone speaking clock service was introduced in France, in association with the Paris Observatory, on 14 February 1933. [1] The format of the service is similar to that of radio time signal services.

  3. National conventions for writing telephone numbers - Wikipedia

    en.wikipedia.org/wiki/National_conventions_for...

    The most common in the world is Recommendation E.123 E.123 International Telecommunication Union [11] and the standard format for Microsoft telephone numbers Microsoft. [ 12 ] There is an international format for recording a telephone number containing the country code, settlement code and telephone number, and the national format containing ...

  4. List of telephone country codes - Wikipedia

    en.wikipedia.org/wiki/List_of_telephone_country...

    Country codes are defined by the International Telecommunication Union (ITU) in ITU-T standards E.123 and E.164. The prefixes enable international direct dialing (IDD). Country codes constitute the international telephone numbering plan. They are used only when dialing a telephone number in a country or world region other than the caller's.

  5. Talking clock - Wikipedia

    en.wikipedia.org/wiki/Talking_clock

    A talking clock (also called a speaking clock and an auditory clock) is a timekeeping device that presents the time as sounds. It may present the time solely as sounds, such as a phone-based time service (see " Speaking clock ") or a clock for the visually impaired, or may have a sound feature in addition to an analog or digital face.

  6. Timeline of the telephone - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_the_telephone

    1 July 1881: The world's first international telephone call is made between St. Stephen, New Brunswick, Canada, and Calais, Maine, United States. [22] 11 October 1881: The Sydney telephone exchange opened with 12 subscribers. 1882: A telephone company—an American Bell Telephone Company affiliate—is set up in Mexico City.

  7. E.123 - Wikipedia

    en.wikipedia.org/wiki/E.123

    E.123 is an international standard by the Telecommunication Standardization Sector of the International Telecommunication Union , entitled Notation for national and international telephone numbers, e-mail addresses and Web addresses. [1]

  8. List of telephony terminology - Wikipedia

    en.wikipedia.org/wiki/List_of_telephony_terminology

    Call originator - (or calling party, caller or A-party) a person or device that initiates a telephone call by dialling a telephone number. Call waiting - a system that notifies a caller of another incoming telephone call by sounding a sound in the earpiece. Called party - (or callee or B-party) Caller; Calling party; Conference call (multi ...

  9. Toll-free telephone numbers in the North American Numbering ...

    en.wikipedia.org/wiki/Toll-free_telephone...

    Initially, all of these calls had to be completed by the telephone company operator. The first automated toll-free telephone numbers were assigned with area code 800, created as inbound Wide Area Telephone Service (InWATS) in 1966 (U.S. intrastate) and 1967 (interstate). These terminated on special fixed-rate trunks which would accept calls ...