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Merchant & POS
The answer depends on the type of POS terminal. A physical POS (GPRS, Dial-Up, IP, or cash-register POS) requires working with a bank. A virtual POS can also be obtained from a payment institution without a separate bank agreement.
Merchant & POS
The number of POS terminals, ATMs and cards in Türkiye is reported by BKM and updated monthly. Here is the link and how to read the figures.
Merchant & POS
To upload a version to a POS, the software on the POS and the authorization system on the bank side must support it. Version upload to a POS can be done manually on the device itself, or via a remote upload request.
Merchant & POS
Today, as credit cards shift from physical to virtual use, a similar move has come from the POS side. We have begun to see mobile phones used as POS devices becoming a serious rival to physical POS terminals.
Merchant & POS
To accept a card brand such as Mastercard or Visa, a POS must be certified for that brand. Which brands a POS accepts is the bank's decision.
Merchant & POS
In EMV transactions, Application Selection is the process of choosing among the applications supported by both the card and the terminal. It is the first stage of authorization, so it is very important. This post covers the PSE and List of AIDs methods.
Payment Systems
Store and Forward (SAF) describes offline transaction processing. It was originally developed when modems were introduced and connections were not always stable, letting terminals store transactions and forward them once connectivity is restored.
ISO 8583
F55 - INTEGRATED CIRCUIT CARD (ICC) SYSTEM RELATED DATA: the field where EMV data is written on chip cards. It consists of components such as Position, Private Data Subelements, PDS Tag, PDS Length, and PDS Value...
ISO 8583
F41 - CARD ACCEPTOR TERMINAL IDENTIFICATION: the terminal where a transaction took place. An 8-character alphanumeric value generated by the acquirer bank and assigned to the POS, managed as a unique terminal number at the acquirer.
Payment Systems
In payment or cash withdrawal transactions, the TR QR Code is generated by the POS or ATM. The card issuing bank must build its systems to read and act on this code. Errors usually stem from mishandling the long and short QR code flows, which are explained here.
ISO 8583
F61 - POINT OF SERVICE (POS) DATA: This field provides information about the specific status of the POS at the time of the transaction. Position Usage Attribute 1 POS Terminal Attendance Indicator 0 = Attended terminal (Valid for MasterCard debit card and Maestro transactions only).
Online & Authorization
The Application Version Number is the version number of the application on the card. For example, the Visa VSDC application version number is 131, and the Mastercard M/Chip Lite version number is 2.