Telephone service payment system using a sound emitting token

Claim 1

Telephone service payment system, wherein it includes: portable electronic devices each having a specific identity, a face value and a time limitation date, each device being able to transmit when ordered by the user a coded sequence of acoustic tones, this sequence being characteristic of the identity of the device, the date of use and a particular service, specialized vocal host computers in a particular service and connected to a telephone line, these host computers being able to be called by the user and able to receive the coded sequence of acoustic tones transmitted by the portable electronic device of the calling user and to translate this sequence into data processing data, at least one computer affiliated to a particular service and connected to the specialized vocal host computers in this service by means of a data processing data transmission line, this computer being able to define a transaction corresponding to the service in question, an accounts management computer, these accounts corresponding firstly to the various service suppliers, and secondly to the various portable electronic devices in service, this accounts management computer being connected to the computers affiliated to the various services by data transmission lines from which it receives for each transaction to be effected the sequence of coded data belonging to the electronic device used, as well as the characteristics of the transaction to be effected, this accounts management computer being able to decode the sequence of data it receives, identify the corresponding account and to debit or credit the latter according to the transaction to be effected.