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  2. Mobile number portability - Wikipedia

    en.wikipedia.org/wiki/Mobile_number_portability

    However, Vodafone UK appealed this decision to the Competition Appeal Tribunal (CAT), which ruled in favor of Vodafone on 18 September 2008, returning the matter to Ofcom for reconsideration. On 8 July 2010, Ofcom issued a final statement retaining the donor-led process, mandating a two-hour PAC release time, and reducing the porting time from ...

  3. List of mobile telephone prefixes by country - Wikipedia

    en.wikipedia.org/wiki/List_of_mobile_telephone...

    Users can switch carriers while keeping number and prefix (so prefixes are not tightly coupled to a specific carrier). 7 Claro 8: Instituto Costarricense de Electricidad (Kölbi) Croatia +385: 91: 9: A1 Hrvatska: Due to Mobile number portability the prefix of an existing number does not determine the carrier. Any new number will follow the ...

  4. SIM lock - Wikipedia

    en.wikipedia.org/wiki/SIM_lock

    Mobile network code (MNC; e.g., AT&T Mobility, T-Mobile, Vodafone, Bell Mobility etc.) Mobile subscriber identification number (MSIN; i.e., only one SIM can be used with the phone) Additionally, some phones, especially Nokia phones, are locked by group IDs (GIDs), restricting them to a single Mobile virtual network operator (MVNO) of a certain ...

  5. SMS gateway - Wikipedia

    en.wikipedia.org/wiki/SMS_gateway

    The connection to the mobile network is made by acquiring a SIM card number from the mobile operator and installing it in the gateway. Typically, direct-to-mobile gateway appliances are used for hundreds to thousands of text messages per month. More modern appliances now offer the capability of sending up to 100,000 messages each day.

  6. 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.

  7. Call detail record - Wikipedia

    en.wikipedia.org/wiki/Call_detail_record

    A call detail record (CDR) is a data record produced by a telephone exchange or other telecommunications equipment that documents the details of a telephone call or other telecommunications transactions (e.g., text message) that passes through that facility or device. The record contains various attributes of the call, such as time, duration ...

  8. Idea Cellular - Wikipedia

    en.wikipedia.org/wiki/Idea_Cellular

    Under the terms of the deal, the Vodafone Group holds a 45.2% stake in the combined entity, the Aditya Birla Group holds 26% and the remaining shares will be held by the public. [ 15 ] On 7 September 2020, Vodafone Idea unveiled this new brand identity , Vi, which involved the integration of the company's erstwhile separate brands Vodafone ...

  9. Vodafone Germany - Wikipedia

    en.wikipedia.org/wiki/Vodafone_Germany

    Vodafone Germany's network serves both prepaid and postpaid customers on GSM and LTE (Long Term Evolution). In July 2019, Vodafone started providing 5G services. [3] At the end of 2010, Vodafone had 36.676 million mobile phone or mobile internet customers and 3.945 million customers with a DSL / VDSL connection. [4]