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  2. Mobile telephony - Wikipedia

    Mobile telephony is the provision of telephone services to phones which may move around freely rather than stay fixed in one location. Telephony is supposed to specifically point to a voice-only service or connection, though sometimes the line may blur.

  3. Roaming - Wikipedia

    For example, a postpaid subscriber of T-Mobile USA who is allowed to roam on AT&T Mobility and/or the regional carriers Viaero Wireless and U.S. Cellular's networks would have national roaming rights; prepaid providers on the other hand typically only allow a more restricted national roaming ability for cost reasons. For commercial and license ...

  4. Missed call - Wikipedia

    Justification and impact. Prepaid mobile phones are popular in emerging markets, due to their lower cost in comparison to post-paid contracts. Prepaid plans have a limited number of minutes allotted for outgoing calls; as a missed call does not connect, they can be used to convey communications without consuming outgoing phone credit.

  5. Internet access - Wikipedia

    Many organizations, including a growing number of municipal entities, also provide cost-free wireless access and landlines. Availability of Internet access was once limited, but has grown rapidly. In 1995, only 0.04 percent of the world's population had access, with well over half of those living in the United States, [1] and consumer use was ...

  6. Credit card - Wikipedia

    Technical specifications. The size of most credit cards is 85.60 by 53.98 millimetres (3 + 3 ⁄ 8 in × 2 + 1 ⁄ 8 in) and rounded corners with a radius of 2.88–3.48 millimetres (9 ⁄ 80 – 11 ⁄ 80 in) conforming to the ISO/IEC 7810 ID-1 standard, the same size as ATM cards and other payment cards, such as debit cards.

  7. AT&T Corporation - Wikipedia

    AT&T Corporation, originally the American Telephone and Telegraph Company, is the subsidiary of AT&T Inc. that provides voice, video, data, and Internet telecommunications and professional services to businesses, consumers, and government agencies.

  8. Safaricom - Wikipedia

    Safaricom PLC is a listed Kenyan mobile network operator headquartered at Safaricom House in Nairobi, Kenya. It is the largest telecommunications provider in Kenya, and one of the most profitable companies in the East and Central Africa region.

  9. Windows XP editions - Wikipedia

    Windows XP Tablet PC Edition utilizes the Ink object as a means of data input and storage. This is a data type created as part of the Windows XP Tablet PC Edition API that allows users to manipulate and process handwritten data, including recognition results and, in some cases, the pressure information for each part of the stroke.