ITU-T E.755-1996 全球个人通信(UPT)话务特性和服务等级(GOS)的参考连接 Reference Connections for UPT Traffic Performance and GOS - Telephone Network and ISDN Quality of Se

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ITU-T E.755-1996 全球个人通信(UPT)话务特性和服务等级(GOS)的参考连接 Reference Connections for UPT Traffic Performance and GOS - Telephone Network and ISDN Quality of Se 第 1 页 ITU-T E.755-1996 全球个人通信(UPT)话务特性和服务等级(GOS)的参考连接 Reference Connections for UPT Traffic Performance and GOS - Telephone Network and ISDN Quality of Se 第 2 页 ITU-T E.755-1996 全球个人通信(UPT)话务特性和服务等级(GOS)的参考连接 Reference Connections for UPT Traffic Performance and GOS - Telephone Network and ISDN Quality of Se 第 3 页 ITU-T E.755-1996 全球个人通信(UPT)话务特性和服务等级(GOS)的参考连接 Reference Connections for UPT Traffic Performance and GOS - Telephone Network and ISDN Quality of Se 第 4 页 ITU-T E.755-1996 全球个人通信(UPT)话务特性和服务等级(GOS)的参考连接 Reference Connections for UPT Traffic Performance and GOS - Telephone Network and ISDN Quality of Se 第 5 页
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国外分类,ITU,ITU-T(电信标准分局),itu,全球,个人,通信,upt,话务,特性,服务,等级,gos,参考,连接,reference,connections,for,upt,traffic,performance,and,gos,telephone,network,and,isdn,quality,of,se

INTERNATIONAL TELECOMMUNICATION UNION )45 4 TELECOMMUNICATION STANDARDIZATION SECTOR OF ITU % (02/96) 4%,%0(/.% .%47/2+ !.$ )3$. 15!,)49 /& 3%26)#% .%47/2+ -!.!'%-%.4 !.$ 42!&&)# %.').%%2).' 2%&%2%.#% #/..%#4)/.3 &/2 504 42!&&)# 0%2&/2-!.#% !.$ '/3 )45 4 Recommendation % (Previously “CCITT Recommendation”) FOREWORD The ITU-T (Telecommunication Standardization Sector) is a permanent organ of the International Telecommunication Union (ITU). The ITU-T is responsible for studying technical, operating and tariff questions and issuing Recommendations on them with a view to standardizing telecommunications on a worldwide basis. The World Telecommunication Standardization Conference (WTSC), which meets every four years, establishes the topics for study by the ITU-T Study Groups which, in their turn, produce Recommendations on these topics. The approval of Recommendations by the Members of the ITU-T is covered by the procedure laid down in WTSC Resolution No. 1 (Helsinki, March 1-12, 1993). ITU-T Recommendation E.755 was prepared by ITU-T Study Group 2 (1993-1996) and was approved under the WTSC Resolution No. 1 procedure on the19th of February 1996. ___________________ NOTE In this Recommendation, the expression “Administration” is used for conciseness to indicate both a telecommunication administration and a recognized operating agency. © ITU 1996 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, without permission in writing from the ITU. CONTENTS Recommendation E.755 (02/96) Page 1 Scope .............................................................................................................................................................. 1 2 Related Recommendations ............................................................................................................................. 1 3 Definitions...................................................................................................................................................... 1 4 Abbreviations ................................................................................................................................................. 2 5 Introduction .................................................................................................................................................... 2 6 Reference connections.................................................................................................................................... 2 7 History............................................................................................................................................................ 3 Recommendation E.755 (02/96) i SUMMARY This Recommendation provides high level reference connections for UPT call/connection setup. The primary purpose of reference connections is to provide a basis for developing traffic grade of service (GOS) Recommendations for networks supporting UPT. ii Recommendation E.755 (02/96) Recommendation E.755 Recommendation E.755 (02/96) REFERENCE CONNECTIONS FOR UPT TRAFFIC PERFORMANCE AND GOS (Geneva, 1996) 1 Scope This Recommendation provides high level reference connections for UPT call/connection setup. The primary purpose of reference connections is to provide a basis for developing traffic Grade of Service (GOS) Recommendations for networks supporting UPT. The traffic GOS takes into account the impact of both bearer network traffic and the associated traffic on the signalling network. The traffic GOS includes delay and blocking performance as reflected in the specification of GOS parameters described in Recommendation E.775. The underlying UPT call flow model in the reference connections should be used as a basis for more implementationspecific configurations for detailed performance analysis and GOS target setting. 2 Related Recommendations The following Recommendations and other references contain provisions which, through reference in this text, constitute provisions of this Recommendation. At the time of publication, the editions indicated were valid. All Recommendations and other references are subject to revision: all users of this Recommendation are therefore encouraged to investigate the possibility of applying the most recent edition of the Recommendations and other references listed below. A list of the currently valid ITU-T Recommendations is regularly published. – – ITU-T Recommendation E.174 (1995), Routing principles and guidance for universal personal telecommunication. – ITU-T Recommendation F.115 (1995), Service objectives and principles for future public land mobile telecommunic

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