ANSI ATIS 1000647-1995 Integrated Services Digital Network (ISDN) C Conference Calling Supplementary Service.pdf
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1、 AMERICAN NATIONAL STANDARD FOR TELECOMMUNICATIONS ATIS-1000647.1995(R2015) Integrated Services Digital Network (ISDN) Conference Calling Supplementary Service As a leading technology and solutions development organization, ATIS brings together the top global ICT companies to advance the industrys m
2、ost-pressing business priorities. Through ATIS committees and forums, nearly 200 companies address cloud services, device solutions, emergency services, M2M communications, cyber security, ehealth, network evolution, quality of service, billing support, operations, and more. These priorities follow
3、a fast-track development lifecycle from design and innovation through solutions that include standards, specifications, requirements, business use cases, software toolkits, and interoperability testing. ATIS is accredited by the American National Standards Institute (ANSI). ATIS is the North America
4、n Organizational Partner for the 3rd Generation Partnership Project (3GPP), a founding Partner of oneM2M, a member and major U.S. contributor to the International Telecommunication Union (ITU) Radio and Telecommunications sectors, and a member of the Inter-American Telecommunication Commission (CITE
5、L). For more information, visit . AMERICAN NATIONAL STANDARD Approval of an American National Standard requires review by ANSI that the requirements for due process, consensus, and other criteria for approval have been met by the standards developer. Consensus is established when, in the judgment of
6、 the ANSI Board of Standards Review, substantial agreement has been reached by directly and materially affected interests. Substantial agreement means much more than a simple majority, but not necessarily unanimity. Consensus requires that all views and objections be considered, and that a concerted
7、 effort be made towards their resolution. The use of American National Standards is completely voluntary; their existence does not in any respect preclude anyone, whether he has approved the standards or not, from manufacturing, marketing, purchasing, or using products, processes, or procedures not
8、conforming to the standards. The American National Standards Institute does not develop standards and will in no circumstances give an interpretation of any American National Standard. Moreover, no person shall have the right or authority to issue an interpretation of an American National Standard i
9、n the name of the American National Standards Institute. Requests for interpretations should be addressed to the secretariat or sponsor whose name appears on the title page of this standard. CAUTION NOTICE: This American National Standard may be revised or withdrawn at any time. The procedures of th
10、e American National Standards Institute require that action be taken periodically to reaffirm, revise, or withdraw this standard. Purchasers of American National Standards may receive current information on all standards by calling or writing the American National Standards Institute. Notice of Disc
11、laimer their existence does not in any respect preclude anyone, whether he has approvedthe standards or not, from manufacturing, marketing, purchasing, or usingproducts, processes, or procedures not conforming to the standards.The American National Standards Institute does not develop standards andw
12、ill in no circumstances give an interpretation of any American NationalStandard. Moreover, no person shall have the right or authority to issue aninterpretation of an American National Standard in the name of the AmericanNational Standards Institute. Requests for interpretations should be ad-dressed
13、 to the secretariat or sponsor whose name appears on the title pageof this standard.CAUTION NOTICE: This American National Standard may be revised orwithdrawn at any time. The procedures of the American National StandardsInstitute require that action be taken periodically to reaffirm, revise, or wit
14、hdraw this standard. Purchasers of American National Standards mayreceive current information on all standards by calling or writing the AmericanNational Standards Institute.Published byAmerican National Standards Institute11 West 42nd Street, New York, New York 10036Copyright 2005 by Alliance for T
15、elecommunications Industry SolutionsAll rights reserved.No part of this publication may be reproduced in anyform, in an electronic retrieval system or otherwise,without prior written permission of the publisher.Printed in the United States of AmericaiForeword iii1 Scope, purpose, and application 12
16、Normative references 13 Definitions and acronyms.24 Description of Conference Calling from the users perspective35 Functional capabilities and information flows for the ConferenceCalling service.106 Switching and signaling specification for the Conference Calling service at the user/network interfac
17、e 147 Switching and signaling specification for Conference Calling atinterexchange interfaces368 Specification for protocol interworking40Table1 Subscription options for Conference Calling .4Figures1 Interaction of Conference Calling with Normal Call Transfer .42 Overall SDL diagram of Conference Ca
18、lling .123 Configurations of equipment for the Conference Calling service .144 Beginning the conference from the idle state155 Beginning the conference from an active call156 Adding a call to a conference.157 Isolate a conferee from a conference .168 Reattach a conferee to a conference169 Split a co
19、nferee from a conference.1710 Disconnect a conferee by served user1711 Disconnect by conferee .1812 Terminate the conference 1813 Explicit request to float the conference.1914 Call clearing by served user when floating is allowed .1915 Call clearing by served user when floating is not allowed3116 St
20、arting the conference from the idle state .3217 Beginning a conference from an Active call 3218 Adding a call to the conference 3219 Adding a new call to the conference.3320 Adding an incoming call to the conference .33ContentsPageii21 Isolate a conferee3422 Reattach a conferee 3423 Split a conferee
21、 .3424 Drop conferee by served user 3425 Disconnect by conferee .3526 Terminate the conference 3527 Call clearing by served user when floating is allowed .3528 Call clearing by served user when floating is not allowed3529 Explicit request to float the conference.36AnnexA Bibliography 41PageiiiThis i
22、s one of a series of standards on Integrated Services Digital Network(ISDN) supplementary services. This standard defines and describes theConference Calling service capabilities in the context of the ISDN. Thisstandard provides switching and signalling specifications to allow a serveduser to establ
23、ish calls to multiple parties one at a time using normal callhandling procedures, and then to communicate simultaneously with multi-ple parties, which may also communicate among themselves. This stan-dard includes the Digital Subscriber Signalling System No. 1 (DSS1) andthe Signalling System No. 7 I
24、SDN User Part (ISUP) protocol and proce-dures to support these capabilities.Service providers of the Conference Calling supplementary service willfind this standard to be useful in providing a consistent suite of protocolsand procedures to support the service capabilities in this standard.Manufactur
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