The invention relates to a process for making a secure remote payment for goods and/or a service purchased by the buyer (2) from a supplier (7) using a mobile radiotelephone (1) used by the buyer. The mobile radiotelephone provides access to a radio communications network (5) managed through a management center (6). A payment server (4) is connected to the radio communications network (5). The process according to this invention comprises a step in which the said management center (6) and/or the said payment server (4) and/or a control center identifies the said buyer (2), identification of the buyer consisting of ensuring that the buyer is a bonafide subscriber registered on a list of subscribers to the said radio communications network (5). The process may also include a step to authenticate the said buyer (2).