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  2. Telephone numbers in Argentina - Wikipedia

    en.wikipedia.org/wiki/Telephone_numbers_in_Argentina

    In Argentina, area codes are two, three, or four digits long (after the initial zero).Local customer numbers are six to eight digits long. The total number of digits is ten, for example, phone number (11) 1234-5678 for Buenos Aires is made up of a 2-digit area code number and an 8-digit subscriber's number, while (383) 123-4567 would be an example of a Catamarca number.

  3. 112 (emergency telephone number) - Wikipedia

    en.wikipedia.org/wiki/112_(emergency_telephone...

    112 (emergency telephone number) Operator in Kraków responding to a 112 phone call 112 is a common emergency telephone number that can be dialed free of charge from most mobile telephones and, in some countries, fixed telephones in order to reach emergency services (ambulance, fire and rescue, police).

  4. SIM card - Wikipedia

    en.wikipedia.org/wiki/SIM_card

    A typical SIM card (mini-SIM with micro-SIM cutout) T-Mobile nano-SIM card with NFC capabilities in the SIM tray of an iPhone 6s cell phone A SIM (Subscriber Identity Module) card is an integrated circuit (IC) intended to securely store an international mobile subscriber identity (IMSI) number and its related key, which are used to identify and authenticate subscribers on mobile telephone ...

  5. Telephone numbers in Turkey - Wikipedia

    en.wikipedia.org/wiki/Telephone_numbers_in_Turkey

    Telephone numbers in Turkey went from six (2+4) to seven digits (3+4) circa 1988. There used to be more than 5,000 local area codes of varying lengths (one to five digits) with correspondingly varying local number lengths.

  6. Vodafone UK - Wikipedia

    en.wikipedia.org/wiki/Vodafone_UK

    On 5 January 1999, Vodafone UK connected its 5 millionth customer. By the end of 1999 it had 8 million customers, [8] rising to 12 million in 2001, [9] The first 3G voice call in the UK was made in April 2001 on the Vodafone UK network, with an initial network of 30 base stations in the Thames Valley set for the commercial launch in 2002. [10]

  7. Telephone numbers in the Republic of Ireland - Wikipedia

    en.wikipedia.org/wiki/Telephone_numbers_in_the...

    before 2000: 08 followed by Northern Irish area code and phone number e.g. Belfast 01232 xxx xxx was reached by dialling 08 01232 xxx xxx. Belfast could previously be reached by dialling 084 in place of the UK area code 0232. [9]

  8. Text messaging - Wikipedia

    en.wikipedia.org/wiki/Text_messaging

    SMS messaging was used for the first time on 3 December 1992, [12] at the Three Tuns Public House in Reading, Berkshire, [13] when Neil Papworth, a 22-year-old test engineer for Sema Group in the UK [14] (now Airwide Solutions), [15] used a personal computer to send the text message "Merry Christmas" via the Vodafone network to the phone of ...

  9. SMS gateway - Wikipedia

    en.wikipedia.org/wiki/SMS_gateway

    A direct-to-mobile gateway is a device that has built-in wireless GSM connectivity. It allows SMS text messages to be sent and/or received by email, from Web pages or from other software applications by acquiring a unique identifier from the mobile phone's Subscriber Identity Module, or "SIM card".