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  2. In-Building Cellular Enhancement System - Wikipedia

    en.wikipedia.org/wiki/In-Building_Cellular...

    As the industry evolves, most MNO networks are now made up of 3G based services and are migrating towards 4G based services. In-building cellular enhancement systems designed for 2G or primarily voice-based services may not be sufficient to support 4G services since signal strength and signal quality specifications become more stringent as the applications move from a voice-centric paradigm to ...

  3. Traffic pumping - Wikipedia

    en.wikipedia.org/wiki/Traffic_pumping

    Traffic pumping, also known as access stimulation, [1] is a controversial practice by which some local exchange telephone carriers in rural areas of the United States inflate the volume of incoming calls to their networks, and profit from the greatly increased intercarrier compensation fees to which they are entitled by the Telecommunications Act of 1996.

  4. North American Numbering Plan expansion - Wikipedia

    en.wikipedia.org/wiki/North_American_Numbering...

    In NANP telephone number specifications, the letter N represents a numeral from 2 through 9, while the letter X represents any numeral. Thus, NXX is a number from 200 through 999, while XXXX is a range from 0000 through 9999. The first three digits of a telephone number are the numbering plan area code (NPA code, or simply NPA).

  5. Wide Area Telephone Service - Wikipedia

    en.wikipedia.org/wiki/Wide_Area_Telephone_Service

    By 1989, fixed "bands" of coverage area had been largely replaced by distance-based billing, a growing number of 1‑800 numbers were being terminated at standard local business or residence lines and one number could be sent to multiple locations based on call origin, least-cost routing or time of day routing. [11]

  6. Will These Numbers from AT&T Be Good Enough for You? - AOL

    www.aol.com/news/2013-01-21-will-these-numbers...

    For premium support please call: 800-290-4726 more ways to reach us

  7. AT&T Mobility - Wikipedia

    en.wikipedia.org/wiki/AT&T_Mobility

    AT&T currently offers 3 tiers of its Unlimited Your Way plan, AT&T Unlimited Premium® PL, AT&T Unlimited Extra® EL, or AT&T Unlimited Starter® SL. Customers can also choose either the AT&T Value Plus VL or AT&T 4 GB plans. All plans come with unlimited talk and text, with unlimited data on all except the AT&T 4 GB plan. [7]

  8. AT&T CFO: Phone bill delinquency rates ‘slightly worse than ...

    www.aol.com/finance/t-cfo-phone-bill-delinquency...

    During its fiscal third quarter, AT&T added 708,000 postpaid phone subscribers and an average revenue per user (ARPU) of $55.67, which represents growth of 2.4% versus the same quarter the year prior.

  9. SBC Long Distance - Wikipedia

    en.wikipedia.org/wiki/SBC_Long_Distance

    SBC Long Distance is a separate subsidiary than AT&T Communications, the incumbent long-distance carrier for most of the country acquired in the SBC merger with AT&T. SBC Long Distance started in 1996 as Southwestern Bell Communications Services, Inc. , created as a result of the Telecommunications Act of 1996 which allowed the Baby Bells to ...

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