ITU-T F 63-1993 Additional Facilities in the International Telex Service - Operations and Quality of Service Telegraph Services (Study Group I) 5 pp《国际电报业务中的附加性能 操作和服务质量 电报业务(研究组1).pdf

1、CCITT RECMN+F-b3 93 m 48b259l.1 0576996 OT7 m I NTE R NAT I ON AL TE LE COM M U N I CAT I ON U N I ON ITU-T TELECOMMUNICATION STANDARDIZATION SECTOR OF ITU OPERATIONS AND QUALITY OF SERVICE TELEGRAPH SERVICES F.63 (03/93) ADDITIONAL FACILITIES IN THE INTERNATIONAL TELEX SERVICE ITU-T Recommendation

2、F.63 (Previously “CCIlT Recommendation”) The ITI CCITT RECMN*F.63 93 q862593 0576997 T33 FOREWORD Telecommunication Standardization Sector (ITU-T) is a permanen- organ of the International Telecom- munication Union. The IT-T is responsible for studying technical, operating and tariff questions and i

3、ssuing Recommendations on them with a view to standardizing telecommunications on a worldwide basis. The World Telecommunication Standardization Conference (WTSC), which meets every four years, established the topics for study by the ITU-T Study Groups which, in their turn, produce Recommendations o

4、n these topics. IT-T Recommendation F.63 was revised by the IW-T Study Group I (1988-1993) and was approved by the WTSC (Helsinki, March 1-12, 1993). NOTES 1 As a consequence of a reform process within the International Telecommunication Union (IT), the CCITT ceased to exist as of 28 February 1993.

5、In its place, the IT Telecommunication Standardization Sector (ITU-T) was created as of 1 March 1993. Similarly, in this reform process, the CCIR and the IFRB have been replaced by the Radiocommunication Sector. In order not to delay publication of this Recommendation, no change bas been made in the

6、 text to references containing the acronyms “CCITT, CCIR or IFRB” or their associated entities such as Plenary Assembly, Secretariat, etc. Future editions of this Recommendation will contain the proper terminology related to the new ITU structure. 2 telecommunication administration and a recognized

7、operating agency. In this Recommendation, the expression “Administration” is used for conciseness to indicate both a O IT 1993 All rights reserved. No part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, w

8、ithout permission in writing from the ITU. CCITT RECMN*F*b3 93 m 48b257L 0576978 97T m Recommendation F.63 ADDITIONAL FACILITIES IN THE INTERNATIONAL TELEX SERVICE (Melbourne. 1988; revised Helsinki, 1993) The CCIT considering (4 that the introduction of additional facilities in the international te

9、lex service is of interest and desirable; (b) international basis, the need to standardize facilities that may be provided by Administrations and that may be avaiiable on an unanimously declares that 1) the international telex service as indicated in Recommendation F.60; Administrations should give

10、attention to the operational methods to be used in the establishment of calls in 2) service of the additional facilities listed in Table 1F.63. within exchange implementations, Administrations should consider the provision in the international telex Recommendation F.63 (03D3) 1 CCITT RECMN*F-b3 93 W

11、 4862593 0576999 806 m TABLE 1F.63 Additional faciiities in the international telex service a) Facility Calling facilities Automatic caliing Subscriber call information Line identification by the network Facilities offered in the case of unsuccessful attempts, delayed or redirected cah Call redirect

12、ion Changed address interception Access to other networks and facilities Interworking between networks C) Private network Store and forward Delayed delivery Status enquiry function Categories of special or privileged users Access barred Public booths Facilities for setting up multi-address calls Bro

13、adcast cali Conference call Definition reference b) F.60 (B.44) F.60 (B.48) F.60 (B.62) F.60 (B.63) u.140 (11) u.140 (9) F.60 (B.64) F.60 (B.67) F.89 F.60 (B.31) F.60 (B.28) F.60 (B.75) F.60 (B.74) Relevant Recommendations S.16, S.19 u.12 U.41 U.41 F.71, F.80, U.200 - F.72, U.80, U.81 F.72, F.84 (F.

14、421), U.204 F.89, U.220 - U.44 - *) A non-restrictive inierpretation should be made of Table 1, such that any facilities not included in the table are not thereby excluded from the international telex service, the decisions to be taken on this matter depending on a further study of each specific fac

15、ility. References are to Recommendations which contain the definition of the facility. The intent in including this facility is to cover the interconnection of the international telex network with private networks (F.71). Interworking of the international telex service with other services and networks is described in the F.80- and U.200-Series Recommendations. b, c, 2 Recommendation F.63 (03/93) CCITT RECMN*F=b3 93 4Bb259L 0577000 126 H Printed in Switzerland Geneva, 1993