Search
22 articles found
Payment Systems
The configuration area in POS applications holds terminal number, merchant number, IP, port, APN and phone number information needed for POS setup, and can be managed manually or centrally.
Payment Systems
Regularly reporting and tracking how many transactions fail at each merchant matters for both the merchant and the acquirer. BKM error codes tell us why POS transactions fail.
Merchant & POS
In order for a bank's POS devices to process transactions with payment scheme cards (Visa, MasterCard, Troy, etc.), they must pass certain test and control steps. Visa and MasterCard have test tools that include test cards and test scenarios for this purpose…
Merchant & POS
In EMV-based debit card transactions, PIN verification is decisive for both security and liability. What happens when a card that only supports online PIN is sent to the issuer without a PIN, and the issuer approves it? Who owns the risk?
Merchant & POS
Partial Authorization lets an issuer approve part of a transaction instead of declining it when the balance or limit is insufficient. This post covers how it works in ISO 8583, whether it is mandatory, and why it matters for the business.
Payment Systems
The limit for FAST transactions, which enable interbank 24/7 instant money transfers, was raised to TRY 20,000 as of 14.02.2023. This post covers the change and its impact; the figure is historical and the limit has since been raised again.
Credit Card
First, let's briefly explain CVV/CVC. CVV stands for Card Verification Value, a term used for Visa. CVC stands for Card Verification Code, a term used for MasterCard. The CVV/CVC code is used for cardholder verification and to reduce fraud risk.
Credit Card
Cases where authorization approval is declined have always puzzled cardholders. Whenever the response code requires contacting the issuing bank (usually for declined transactions), the date, amount, and response code of the failed transaction become very important.
Security
A Qualified Security Assessor (QSA) is a person approved by the PCI Security Standards Council to audit merchants for compliance with the Payment Card Industry Data Security Standard.
Security
SCRW (Smart Card Reader Writer) can be translated as Smart Card Reader/Writer. Smart chip card readers are sophisticated devices with built-in intelligence, usable in PCs, laptops, servers, smartphones, and set-top boxes.
ATM
A dispenser is a part of the ATM. It contains cassettes where cash is loaded; these cassettes are configured during ATM installation. Based on the defined denomination, cash is loaded so the ATM can dispense that type to customers. Does every ATM have a dispenser?
Merchant & POS
In Turkey, there are 3 payment schemes we are used to seeing: MasterCard, Visa, and Troy. American Express and Diners Club are also used, though less widely. Russia's Central Bank recently said two Turkish banks are preparing to accept Mir cards.