ITU-T Rec. E.118 – AUTOMATED INTERNATIONAL TELEPHONE CREDIT CARD SYSTEM
Preamble
1 Types of credit cards which may be used
2 Service agreements to be concluded between the Administrations and credit card issuers (other Administrations, cr...
3 Specifications of cards
    3.1 International standards
    3.2 Numbering system
    3.3 Issuer identifier number assignment and registration procedure
4 Functions of the system
    4.1 Card acceptance and reading
    4.2 Card and user validation
    4.3 Acceptance of other information
    4.4 Information transfer
    4.5 Call records
    4.6 User feedback
    4.7 Information security
    4.8 Maintenance
    4.9 Card release
5 Basic procedures for use of the card
    5.1 Validation of the card and identification of the card holder
    5.2 Call request
    5.3 Call requests at terminals other than the fully automated telephone
6 Operational procedures for charging, billing and collection of the charge )
    6.1 Timing of calls and handling of call records
    6.2 Billing information
    6.3 Billing and collection of the telephone charge
7 Use of the card in countries other than the country of origin )
    7.1 Reasons for such use
    7.2 Bilateral service agreements
    7.3 Information to foreign card issuers and customer instruction
    7.4 Allowable calls
    7.5 Billing and collection of charges from foreign card issuers
Registration form