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  2. eSIM - Wikipedia

    en.wikipedia.org/wiki/ESIM

    An eSIM (embedded SIM) is a form of SIM card that is embedded directly into a device as software installed onto a eUICC chip. First released in March 2016, eSIM is a global specification by the GSMA that enables remote SIM provisioning ; end-users can change mobile network operators without the need to physically swap a SIM from the device.

  3. SIM Application Toolkit - Wikipedia

    en.wikipedia.org/wiki/SIM_Application_Toolkit

    Updating Android software is done over GSM where the SIM Toolkit may install automatically with new software regardless of automatic install applications.. Change in applications and menus stored on the SIM is difficult after the customer takes delivery of the SIM and sometimes may be recognized as surveillance software.

  4. Zadarma - Wikipedia

    en.wikipedia.org/wiki/Zadarma

    Zadarma was founded in 2006. [1] [5] In 2008, the company began selling virtual numbers in different countries.By 2012, the company launched its PBX (Business Phone System allowing call transfer, recording, forwarding, and interception, as well as instant message notifications within messaging apps like Slack, Telegram, and Messenger) and Zadarma's virtual numbers became available in 70 countries.

  5. Airalo - Wikipedia

    en.wikipedia.org/wiki/Airalo

    In 2019, Airalo secured $1.9 million in seed funding from Antler and Sequoia Capital. [12]In October 2021, it secured $5 million in Series A financing. [12] [13]In July 2023, it received $60 million in a Series B financing round led by e& Capital, the venture arm of e&, with participation from Antler Elevate, Liberty Global, Rakuten Capital, Singtel Innov8, Surge, Orange, T Capital (the ...

  6. SIM card - Wikipedia

    en.wikipedia.org/wiki/SIM_card

    A typical SIM card (mini-SIM with micro-SIM cutout) A SIM (Subscriber Identity Module) card 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).

  7. List of mobile app distribution platforms - Wikipedia

    en.wikipedia.org/wiki/List_of_mobile_app...

    Windows 8, Windows RT, Windows 8.1, Windows 10, Windows 11, Windows 10 Mobile, Windows Phone: yes, with restriction [note 2] 70% - raised to 80% if developer sales exceeds US$25,000 in a year individuals: US$19, or free for student; companies: US$99. One registration fee for both Windows Phone Store and Windows Store.

  8. Virtual number - Wikipedia

    en.wikipedia.org/wiki/Virtual_number

    A virtual number, also known as direct inward dialing (DID) or access numbers, is a telephone number without a directly associated telephone line.Usually, these numbers are programmed to forward incoming calls to one of the pre-set telephone numbers, chosen by the client: fixed, mobile or VoIP.

  9. Gemalto - Wikipedia

    en.wikipedia.org/wiki/Gemalto

    As of March 2007, Gemalto has provided technology to more than 10 million e-passports, making them the largest provider of e-passport solutions with an estimated 30 percent market share. [ 33 ] In the United States, Gemalto is one of two vendors picked by the Government Printing Office to supply their e-passport program in 2007.