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They may work in an office with a call center or in retail. [1][2] Customer service representatives answer questions or requests from customers or the public. They typically provide services by phone, but some also interact with customers face to face, by email or text, via live chat, and through social media. [3]
The following is a list of notable online payment service providers and payment gateway providing companies, their platform base and the countries they offer services in: (POS -- Point of Sale ) Company
Visa Inc. (/ ˈviːzə, ˈviːsə /) is an American multinational payment card services corporation headquartered in San Francisco, California. [ 1 ][ 4 ] It facilitates electronic funds transfers throughout the world, most commonly through Visa-branded credit cards, debit cards and prepaid cards. [ 5 ]
American Express Company (Amex) is an American bank holding company and multinational financial services corporation that specializes in payment cards. It is headquartered at 200 Vesey Street, also known as American Express Tower, in the Battery Park City neighborhood of Lower Manhattan. Amex is the fourth-largest card network globally based on ...
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There are several types of security codes and PVV (all generated from DES key in the bank in HSM modules using PAN, expiration date and service code): . The first code, 3 numbers, called CVC1 or CVV1, is encoded on track one and two of the magnetic stripe of the card and used for card present transactions, with signature (second track also contains pin verification value, PVV, but now it is ...
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Online merchants must comply with stringent rules stipulated by the credit and debit card issuers (e.g. Visa and Mastercard) in accordance with a bank and financial regulation in the countries where the debit/credit service conducts business. [2] [better source needed] E-commerce payment system often use B2B mode.