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  2. List of countries by number of mobile numbers in use

    en.wikipedia.org/wiki/List_of_countries_by...

    Rankings Country or regions # of phone numbers Population Phone #'s/100 citizens Date of evaluation World: 7,950,000,000+ 7,621,018,958 104.32 2019/12 [1] [2]: 1

  3. Telephone - Wikipedia

    en.wikipedia.org/wiki/Telephone

    An old rotary dial telephone AT&T push button telephone made by Western Electric, model 2500 DMG black, 1980. A telephone, colloquially referred to as a phone, is a telecommunications device that enables two or more users to conduct a conversation when they are too far apart to be easily heard directly.

  4. International Phonetic Alphabet - Wikipedia

    en.wikipedia.org/wiki/International_Phonetic...

    The official summary chart of the IPA, revised in 2020. The International Phonetic Alphabet (IPA) is an alphabetic system of phonetic notation based primarily on the Latin script.

  5. Payphone - Wikipedia

    en.wikipedia.org/wiki/Payphone

    An older and simpler system was to use a mechanical counter, the marcador de pasos, which automatically counted units of time called pasos. The duration of each paso depended on the distance of the call, and its cost could vary by time of day. At the conclusion of a call a human attendant would collect the appropriate payment.

  6. Telmex - Wikipedia

    en.wikipedia.org/wiki/Telmex

    A Telmex public pay phone. Telmex was founded in Mexico the January 1, 1947; 78 years ago (), when a group of Mexican investors bought Swedish Ericsson's Mexican branch. [citation needed] In 1950, the same investors bought the Mexican branch of the ITT Corporation, thus becoming the only telephone provider in the country.

  7. Phone (phonetics) - Wikipedia

    en.wikipedia.org/wiki/Phone_(phonetics)

    Phones are the segments of speech that possesses distinct physical or perceptual properties, regardless of whether the exact sound is critical to the meanings of words. . Whereas a phone is a concrete sound used across various spoken languages, a phoneme is more abstract and narrowly defined: any class of phones that the users of a particular language nevertheless perceive as a single basic ...

  8. Soledades - Wikipedia

    en.wikipedia.org/wiki/Soledades

    First page of Las soledades (Chacon Manuscript, I, 193).. Las Soledades (Solitudes) is a poem by Luis de Góngora, composed in 1613 in silva (Spanish strophe) in hendecasyllables (lines of eleven syllables) and heptasyllables (seven syllables).

  9. Metric space - Wikipedia

    en.wikipedia.org/wiki/Metric_space

    A diagram illustrating the great-circle distance (in cyan) and the straight-line distance (in red) between two points P and Q on a sphere.. To see the utility of different notions of distance, consider the surface of the Earth as a set of points.