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ITU-T D.40 General tariff principles applicable to telegrams exchanged in the international public telegram service
ITU-T D.45 Charging and accounting principles for the international telemessage service
ITU-T D.70 General tariff principles for the international public facsimile service between public bureaux (bureaufax service)
ITU-T D.71 General tariff principles for the public facsimile service between subscriber stations (telefax service)
ITU-T D.73 General tariff and international accounting principles for interworking between the international bureaufax and telefax services
ITU-T D.110 Charging and accounting for conference calls
ITU-T D.192 Principles for charging and accounting of service telecommunications
ITU-T D.196 Clearing of international telecommunication balances of accounts
ITU-T E.431 Telephone network and ISDN; quality service, network management and traffic engineering; service quality assessment for connection set-up and release delays
ITU-T E.433 Telephone network and ISDN; quality of service, network management and traffic engineering; billing integrity
ITU-T E.432 Telephone network and ISDN; quality of service, network management and traffic engineering; connection quality