1、CCITT RECMN*F-41 91 48b2591 05b1225 4 INTERNATIONAL TELECOMMUNICATION UNION CCITT THE INTERNATIONAL TELEGRAPH AND TELEPHONE CONSULTATIVE COMMITTEE TELEGRAPH AND MOBILE SERVICES OPERATIONS AND QUALITY OF SERVICE F.41 INTERWORKING BETWEEN THE TELEMESSAGE SERVICE AND THE INTERNATIONAL PUBLIC TELEGRAM S
2、ERVICE Recommendation F.41 I Geneva, 1991 CCITT RECMN*F*43 91 4862573 0563226 b INTERNATIONAL TELECOMMUNICATION UNION CCITT F.41 THE INTERNATIONAL TELEGRAPH AND TELEPHONE CONS U LTATIVE COM M ITTEE TELEGRAPH AND MOBILE SERVICES OPERATIONS AND QUALITY OF SERVICE INTERWORKING BETWEEN THE TELEMESSAGE S
3、ERVICE AND THE INTERNATIONAL PUBLIC TELEGRAM SERVICE Recommendation F.41 I Geneva, 1991 CCITT RECMN*F.41 93 W 4862593 0563227 8 FOREWORD The CCITT (the International Telegraph and Telephone Consultative Committee) is a permanent organ of the International Telecommunication Union (ITU). CCITT is resp
4、onsible for studying technical, operating and tariff questions and issuing Recommendations on them with a view to standardizing telecommunications on a worldwide basis. The Plenary Assembly of CCITT which meets every four years, establishes the topics for study and approves Recommendations prepared
5、by its Study Groups. The approval of Recommendations by the members of CCITT betwcen Plenary Assemblies is covered by the procedure laid down in CCITT Resolution No. 2 (Melbourne, 1988). Recommendation F.41 was prepared by Study Group I and was approved under the Resolution No. 2 procedure on the 11
6、 of March 1991. CCIIT NOTE In this Recommendation, the expression “Administration” is used for conciseness to indicate both a telecommunication Administration and a recognized private operating agency. O IT 1991 Ail rights reserved. No part of this publication may be reproduced or utilized in any fo
7、rm or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from the ITU. CCITT RECMN*Fm41 91 m 48b2591 0561228 T Recommendation F.41 INTERWORKING BETWEEN THE TELEMESSAGE SERVICE AND THE INTERNATIONAL PUBLIC TELEGRAM SERVICE 1 Introduction 1.1 Th
8、e International Telecommunication Regulations (Melbourne, 1988), Article 4.3 c), deal with the requirement to provide at least a form of telecommunication which is reasonably accessible to the public, including those who may not be subscribers to a specific telecommunication service. Traditionally t
9、he international public telegram service has been the most common means of filling this need. 1.2 Resolution No. 6 (World Administrative Telegraph and Telephone Conference, Melbourne, 1988) resolves that provision should be made to allow continued availability of traditional services as perceived by
10、 the customer, although the communication infrastructure used to provide that service may vary. In continuing to provide a telegram-type service, Administrations should agree either to operate a telegram service in accordance with Recornmendation F. 1, a telemessage service in accordance with Recomm
11、endation F.40, both the telegram and the telemessage services, or to come to some other bilaterally agreed arrangement. 1.3 This Recommendation defines the procedure that shall be followed for interworking between the telemessage service and the international public telegram service, where Administr
12、ations provide one service or the other and no other specific agreement has been reached. 2 Basic interworking principles 2.1 A service provider operating an international public telemessage service shall provide the capability of operating in conjunction with the international public telegram servi
13、ce in order to provide a replacement for ordinary private telegrams at least. 2.2 Member Administrations will make separate operational arrangements to ensure adequate handling of SVH, ETATPRIORITE, ETAT, OBS and RCT messages. Such arrangements which may involve the use of the other telecommunicatio
14、n services (e.g. telex) are not covered by this Recommendation. 2.3 In the absence of any other bilateral agreement, the relevant telegram operational procedures defined in Recommendation F. 1 shall apply in both the telegram to telemessage and the telemessage to telegram directions, with the except
15、ions described in 0 3 below. 2.4 international telegram service will be defined in the D-Series Recommendations. The charging and accounting principles for interworking between the telemessage service and the 3 Operational procedures 3.1 Administrations concerned. If no other agreement exists, only
16、F.31 format shall be used for the transmission of messages between the 3.2 indicator CT shall be used. In the direction telegram to telemessage the service indication TELEMESSAGE and the priority/tariff 3.3 In the same direction, special arrangement may be made for de luxe form, in which case the se
17、rvice indication LXx shall be used as specified in Recommendation F.50. No other special services or optional classes are admitted. Recommendation P.41 1 CCITT RECMN*F.41 91 = 4862591 0561229 1 3.4 In the telegram to telemessage direction, the origin Administration should be aware of the 35 text lin
18、e limit per message in the telemessage service as defined in Recommendation F.40. 3.5 In the telegram to telemessage direction the rules laid down in Recommendation F.l for the counting of actual words shall apply, but the number of chargeable words may be omitted from the preamble line and the pilo
19、t line may show either the number of actual or chargeable words (at the discretion of the origin Adminisiration). 3.6 In the telemessage to telegram direction the wordcounts and their presentation shall be in accordance with Recommendation F. 1. 4 Service documents 4.1 In view of 8 1.2 above Adminis
20、trations should inform the Secretary-General of their method(s) of providing a telegram-type service. The Secretary-General is invited to include this information in the General information relating to the operation of the international telegraph, data transmission and Telematic services. 2 Recommendation F.41
