1、 INTERNATIONAL TELECOMMUNICATION UNION CCITT F.51THE INTERNATIONAL TELEGRAPH AND TELEPHONE CONSULTATIVE COMMITTEE (11/1988) SERIES F: NON-TELEPHONE TELECOMMUNICATION SERVICES Telegraph and Mobile Services: Operations and Quality of Service Telemessages INTERWORKING BETWEEN THE TELEMESSAGE SERVICE AN
2、D THE INTERNATIONAL PUBLIC TELEGRAM SERVICE Reedition of CCITT Recommendation F.51 published in the Blue Book, Fascicle II.4 (1988) NOTES 1 CCITT Recommendation F.51 was published in Fascicle II.4 of the Blue Book. This file is an extract from the Blue Book. While the presentation and layout of the
3、text might be slightly different from the Blue Book version, the contents of the file are identical to the Blue Book version and copyright conditions remain unchanged (see below). 2 In this Recommendation, the expression “Administration” is used for conciseness to indicate both a telecommunication a
4、dministration and a recognized operating agency. ITU 1988, 2007 All rights reserved. No part of this publication may be reproduced, by any means whatsoever, without the prior written permission of ITU. Fascicle II.4 Rec. F.51 1 Recommendation F.51 INTERWORKING BETWEEN THE TELEMESSAGE SERVICE AND THE
5、 INTERNATIONAL PUBLIC TELEGRAM SERVICE 1 Introduction This Recommendation defines the procedure to be followed for interworking between the Telemessage service and the international public telegram service. 2 Basic requirements In case of interworking, the international public Telemessage service sh
6、all provide the capability of operating in conjunction with the international public telegram service in order to realize a minimum service between Administrations. 3 General operating principles 3.1 In cases of interworking between the Telemessage services and the international public telegram serv
7、ice, the operational procedures should be, in principle, in accordance with the mode of service, applied by the concerned Administration. 3.2 The operational procedures for the international public telegram service are defined in Recommendations F.1 and F.31. 3.2.1 Provision shall be made in interwo
8、rking between the international telegram service and the Telemessage service to ensure that obligatory class of telegrams are provided for. This does not preclude any special national arrangements which might be necessary. 3.3 The international Telemessage service is defined in Recommendation F.50.
9、3.4 The charging and accounting principles for interworking between the Telemessage service and the international telegram service will be defined in the D-Series Recommendations. 4 Special provisions for interworking 4.1 International network requirements Administrations that have not introduced th
10、e Telemessage service transmit their telegrams over the circuits that have been used up to the introduction of the Telemessage service at the Administration concerned, if no other agreement exists. 4.2 Delivery address In the direction telegram service to Telemessage service, the first line of the a
11、ddress shall be preceded by the service indication TELEMESSAGE. 4.3 Archives In the direction telegram service to Telemessage service, the specific provisions should take Quality of Service aspects into consideration. (For further study.) ITU-T F-SERIES RECOMMENDATIONS NON-TELEPHONE TELECOMMUNICATIO
12、N SERVICES For further details, please refer to ITU-T List of Recommendations. TELEGRAPH SERVICE Operating methods for the international public telegram service F.1F.19 The gentex network F.20F.29 Message switching F.30F.39 The international telemessage service F.40F.58 The international telex servi
13、ce F.59F.89 Statistics and publications on international telegraph services F.90F.99 Scheduled and leased communication services F.100F.104 Phototelegraph service F.105F.109 MOBILE SERVICE Mobile services and multidestination satellite services F.110F.159 TELEMATIC SERVICES Public facsimile service
14、F.160F.199 Teletex service F.200F.299 Videotex service F.300F.349 General provisions for telematic services F.350F.399 MESSAGE HANDLING SERVICES F.400F.499 DIRECTORY SERVICES F.500F.549 DOCUMENT COMMUNICATION Document communication F.550F.579 Programming communication interfaces F.580F.599 DATA TRAN
15、SMISSION SERVICES F.600F.699 AUDIOVISUAL SERVICES F.700F.799 ISDN SERVICES F.800F.849 UNIVERSAL PERSONAL TELECOMMUNICATION F.850F.899 HUMAN FACTORS F.900F.999 Printed in Switzerland Geneva, 2007 ITU-T RECOMMENDATIONS SERIES Series A Organization of the work of the ITU-T Series B Means of expression:
16、 definitions, symbols, classification Series C General telecommunication statistics Series D General tariff principles Series E Overall network operation, telephone service, service operation and human factors Series F Non-telephone telecommunication services Series G Transmission systems and media,
17、 digital systems and networks Series H Audiovisual and multimedia systems Series I Integrated services digital network Series J Transmission of television, sound programme and other multimedia signals Series K Protection against interference Series L Construction, installation and protection of cabl
18、es and other elements of outside plant Series M TMN and network maintenance: international transmission systems, telephone circuits, telegraphy, facsimile and leased circuits Series N Maintenance: international sound programme and television transmission circuits Series O Specifications of measuring
19、 equipment Series P Telephone transmission quality, telephone installations, local line networks Series Q Switching and signalling Series R Telegraph transmission Series S Telegraph services terminal equipment Series T Terminals for telematic services Series U Telegraph switching Series V Data communication over the telephone network Series X Data networks and open system communications Series Y Global information infrastructure and Internet protocol aspects Series Z Languages and general software aspects for telecommunication systems
