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  2. Unstructured Supplementary Service Data - Wikipedia

    en.wikipedia.org/wiki/Unstructured_Supplementary...

    USSD on a Sony Ericsson mobile phone (2005). Unstructured Supplementary Service Data (USSD), sometimes referred to as "quick codes" or "feature codes", is a communications protocol used by GSM cellular telephones to communicate with the mobile network operator's computers.

  3. USSD Gateway - Wikipedia

    en.wikipedia.org/wiki/USSD_Gateway

    USSD gateway is based upon the ability of the delivery agent or the source to send and receive USSD messages. A USSD is a session-based protocol. A USSD is a session-based protocol. USSD messages travel over GSM signalling channels, and are used to query information and trigger services.

  4. RFID skimming - Wikipedia

    en.wikipedia.org/wiki/RFID_skimming

    These scanners are legal and can be bought in regular electronics stores. Most modern mobile telephones running Android OS have a built in NFC reader that can be used to unlawfully scan contactless payment cards. A criminal can hide the scanner e.g. inside a glove or a bag, and then place it close to the victim and wirelessly steal the victim's ...

  5. How to make payments with your phone - AOL

    www.aol.com/finance/payments-phone-164336000.html

    Phone payment apps use the same security technology as contactless credit cards (the kind you tap instead of swipe), and pay-with-phone transactions use dynamic data and tokenization to mask your ...

  6. Contactless smart card - Wikipedia

    en.wikipedia.org/wiki/Contactless_smart_card

    A contactless smart card is a card in which the chip communicates with the card reader through an induction technology similar to that of an RFID (at data rates of 106 to 848 kbit/s). These cards require only close proximity to an antenna to complete a transaction.

  7. SIM Application Toolkit - Wikipedia

    en.wikipedia.org/wiki/SIM_Application_Toolkit

    A more general name for this class of Java Card-based applications running on UICC cards is the Card Application Toolkit (CAT). [ 2 ] [ 3 ] The SIM Application Toolkit consists of a set of commands programmed into the SIM which define how the SIM should interact directly with the outside world and initiates commands independently of the handset ...

  8. National Unified USSD Platform - Wikipedia

    en.wikipedia.org/wiki/National_Unified_USSD_Platform

    The National Unified USSD Platform (NUUP), also known as the *99# service, is a platform that provides access to the Unified Payment Interface (UPI) service over the USSD protocol. Initiated by the Government of India and developed by the National Payments Corporation of India (NPCI), it facilitates access to banking services from mobile phones.

  9. Mobile RFID - Wikipedia

    en.wikipedia.org/wiki/Mobile_RFID

    [citation needed] The customer in the supermarket can scan the Electronic Product Code from the tag and connects via the internet to get more information. [ citation needed ] ISO/IEC 29143 "Information technology — Automatic Identification and Data Capture Technique — Air Interface specification for Mobile RFID interrogator" [ 4 ] is the ...