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2. 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). If there is only 32.. followed by any other, shorter number, like 32 51 724859, this is the number of a normal phone, not a mobile. 46x: Join (discontinued mobile phone service provider) [3] 47x: Proximus (or other) 48x

3. Mobile number portability - Wikipedia

   en.wikipedia.org/wiki/Mobile_number_portability

   sim card of the new mobile company that will cost around 15 PEN. United States: 2003.11.24 0 Free iconectiv manages the Number Portability Administration Center (NPAC), the largest number portability system in the world. Consisting of seven regional systems, the NPAC facilitates number porting across all Service Providers in the United States.

4. List of mobile network operators in Europe - Wikipedia

   en.wikipedia.org/wiki/List_of_mobile_network...

   Austria has 13.0 million assigned numbers (i.e. 2.0 2G, 10.8 3G and 0.1 4G SIM cards), or a 151.0% penetration rate (Q4 2014). [11] The regulatory authority for telecommunication in Austria is the Austrian Regulatory Authority for Broadcasting and Telecommunications (RTR).

5. SIM card - Wikipedia

   en.wikipedia.org/wiki/SIM_card

   A typical SIM card (mini-SIM with micro-SIM cutout) A SIM card or SIM (Subscriber Identity Module) 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 devices (such as mobile phones and laptops).

6. Roaming SIM - Wikipedia

   en.wikipedia.org/wiki/Roaming_SIM

   Global roaming SIMs are very often combined with callback technology, whereby the user dials a number in the normal way, but the call is intercepted by an application on the SIM card and turned from an outbound call to an inbound call which the user answers. This ensures that the call travels exclusively through the least cost route, and also ...

7. List of Turkey mobile virtual network operators - Wikipedia

   en.wikipedia.org/wiki/List_of_Turkey_mobile...

   Brand Host network Wireless technology WiFi calling MVNO type 2G 3G 4.5G 61Cell Turkcell: Yes Yes Yes Un­known Branded reseller BİMcell Türk Telekom