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  2. Telstra - Wikipedia

    en.wikipedia.org/wiki/Telstra

    Telstra Group Limited is an Australian telecommunications company that builds and operates telecommunications networks and markets related products and services. It is a member of the S&P/ASX 20 stock index, and is Australia's largest telecommunications company by market share.

  3. List of mobile virtual network operators in the United States

    en.wikipedia.org/wiki/List_of_mobile_virtual...

    Mobile virtual network operators (MVNOs) in the United States lease wireless telephone and data service from the four major cellular carriers in the country—AT&T Mobility, Boost Mobile, T-Mobile US, and Verizon—and offer various levels of free and/or paid talk, text and data services to their customers.

  4. Prepaid mobile phone - Wikipedia

    en.wikipedia.org/wiki/Prepaid_mobile_phone

    When the user's account balance is depleted, the service is suspended until they added funds to their account. If the user's account balance is depleted, all call attempts are routed to the IVR. These patents expired in 2010 and 2012 respectively. The prepaid service was sold to Metro Mobile in June 1989, and was implemented in November 1989.

  5. Payphone - Wikipedia

    en.wikipedia.org/wiki/Payphone

    Bell Canada payphone. Most payphones in Canada are owned and operated by large telecom providers such as Bell, Telus, and SaskTel.In the last 20 years, customer-owned coin-operated telephones (COCOT) have also appeared in the market, but their numbers are smaller due to the emergence of mobile phones.

  6. How do I activate AOL MyLifeProtected? - AOL Help

    help.aol.com/articles/how-do-i-activate-aol-my...

    Follow the instructions below to activate AOL MyLifeProtected. 1. Visit your MyBenefits page. 2. Locate AOL MyLifeProtected on this page and click Get Started. 3. On the page that opens, click Get Started. 4. Enter your zip code and click Get Your Quote. 5. The next step after getting your quote, is making a purchase!

  7. Mobile number portability - Wikipedia

    en.wikipedia.org/wiki/Mobile_number_portability

    A key technical aspect of Mobile Number Portability (MNP) involves the routing of calls or mobile messages (SMS, MMS) to a number once it has been ported.Various call routing implementations exist globally, but the International and European best practice employs a central database (CDB) of ported numbers.

  8. SIM lock - Wikipedia

    en.wikipedia.org/wiki/SIM_lock

    A SIM lock, simlock, network lock, carrier lock or (master) subsidy lock is a technical restriction built into GSM and CDMA [1] mobile phones by mobile phone manufacturers for use by service providers to restrict the use of these phones to specific countries and/or networks.

  9. Prepayment for service - Wikipedia

    en.wikipedia.org/wiki/Prepayment_for_service

    Recent statistics (OECD Communications Outlook 2005) indicate that 40% of the total mobile phone market in the OECD region consists of prepaid accounts. This service was invented by Portuguese provider TMN, while researching for a means to increase penetration of mobile technology by allowing anyone to buy a fully working (usually requiring a quick and simple activation process) mobile phone ...