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2. Transaction authentication number - Wikipedia

   en.wikipedia.org/wiki/Transaction_authentication...

   The SMS may also include transaction data, allowing the user to verify that the transaction has not been modified in transmission to the bank. However, the security of this scheme depends on the security of the mobile phone system. In South Africa, where SMS-delivered TAN codes are common, a new attack has appeared: SIM Swap Fraud.

3. T9 (predictive text) - Wikipedia

   en.wikipedia.org/wiki/T9_(predictive_text)

   T9 (predictive text) Logo of T9. T9 is a predictive text technology for mobile phones (specifically those that contain a 3×4 numeric keypad), originally developed by Tegic Communications, now part of Nuance Communications. T9 stands for Text on 9 keys.[1] T9 was used on phones from Verizon, NEC, Nokia, Samsung Electronics, Siemens, Sony Mobile ...

4. Mobile payment - Wikipedia

   en.wikipedia.org/wiki/Mobile_payment

   In the T-Cash [54] model, the mobile phone and the phone carrier is the front-end interface to the consumers. The consumer can purchase goods, transfer money to a peer, cash out, and cash in. [ 55 ] A 'mini wallet' account can be opened as simply as entering *700# on the mobile phone, [ 56 ] presumably by depositing money at a participating ...

5. SMS spoofing - Wikipedia

   en.wikipedia.org/wiki/SMS_spoofing

   SMS spoofing. SMS spoofing is a technology which uses the short message service (SMS), available on most mobile phones and personal digital assistants, to set who the message appears to come from by replacing the originating mobile number (Sender ID) with alphanumeric text. Spoofing has both legitimate uses (setting the company name from which ...

6. Short Message service center - Wikipedia

   en.wikipedia.org/wiki/Short_message_service_center

   Short Message service center. A Short Message Service Center (SMSC) is a network element in the mobile telephone network. Its purpose is to store, forward, convert and deliver Short Message Service (SMS) messages. The full designation of an SMSC according to 3GPP is Short Message Service - Service Center (SMS-SC).

7. 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. A virtual number can work like a gateway between ...