INTERNATIONAL TELECOMMUNICATION UNION ITU-T RECOMMENDATION SUMMARY Rec. No. : F.40 Title : International public telemessage service Study Group : I - Services Version : Revised Date of adoption : 1991 Notes : Administrations providing the international public telemessage service as a form of telecommunication in accordance with Article 4.3 c) of the International Telecommunication Regulations (Melbourne, 1988) should explicitly agree to this on the basis of Recommendation F.40, which contains the relevant operational provisions. The international public telemessage service may operate in parallel with, or as an alternative to, the international public telegram service. The international public telemessage service shall provide the capability of operating in conjunction with the international public telegram service in those cases where it is used as an alternative to the international public telegram service. The tariff principles for the international public telemessage service are laid down in Recommendation D.45. While Recommendation F.40 implies an implementation related to the long established message retransmission system defined in Recommendation F.31 the telemessage service is not restricted to the F.31 based techniques. To order the complete text of this Recommendation, please use the Order Form for ITU-T Recommendations. An electronic version of this form is available on ITUDOC (Winword: UPI=ITU-5265; ASCII: UPI=ITU-2488).