Method for a payment of a customer has a merchant, the center of the location and the corresponding

摘要

Security method for payment between client and vendor, including transmission stage to management center, in a pre-defined protocol, for a payment request including client identity. The method has validation stage in which: (a) management center generates validation request, for clients attention, in a second protocol independent of first, to address specified by client; (b) a validation message or payment refusal transmission is made in clients name in second protocol. An Independent Claim is also included for: (1) a secure payment system. The client has a terminal with radio communication facility. The second protocol is SIP. The validation request is generated in the form of an 'INVITE' message. The clients terminal transmission use at least one of the following: (a) short messages SMS; telephone communication; electronic messages.