A payment terminal is a device which is used to make payments with a credit card or a debit card. These devices are very common these days and is found in almost all restaurants, petrol pumps, shopping malls etc. The device communicates with the bank server via a normal PSTN telephone line for verifying the card details and making the payment.
The aim of this project is the make a portable payment terminal making use of the modern mobile technologies. The PSTN communication part of the normal payment terminals can be replaced with a GPRS module. The communication with the server can take place using the GPRS link. Another means is the use the dial up feature. Here the only difference is that the mobile medium is used to get connected with the server
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