ATIS-1000113-2005.pdf
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1、 ATIS-1000113.2005 SIGNALING SYSTEM NO. 7 (SS7) - INTEGRATED SERVICES DIGITAL NETWORK (ISDN) USER PART A AMERICAN MERICAN N NATIONAL ATIONAL S STANDARD FOR TANDARD FOR T TELECOMMUNICATIONSELECOMMUNICATIONS -,-,- The Alliance for Telecommunication Industry Solutions (ATIS) is a technical planning and
2、 standards development organization that is committed to rapidly developing and promoting technical and operations standards for the communications and related information technologies industry worldwide using a pragmatic, flexible and open approach. Over 1,100 participants from more than 350 commun
3、ications companies are active in ATIS 23 industry committees and its Incubator Solutions Program. 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 standa
4、rds developer. Consensus is established when, in the judgment of 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 t
5、hat all views and objections be considered, and that a concerted 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, marketi
6、ng, purchasing, or using products, processes, or procedures not 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 authori
7、ty to issue an interpretation of an American National Standard in 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 Standa
8、rd may be revised or withdrawn at any time. The procedures of the 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 w
9、riting the American National Standards Institute. Notice of Disclaimer ATIS-1000113.2, General Function of Messages and Signals; ATIS-1000113.3, Formats and Codes; ATIS-1000113.4, Signaling Procedures; ATIS-1000113.5, Performance Objectives in the ISDN Application; ATIS-1000113.6, State Transition D
10、iagrams; and ATIS-1000113.7, Application Transport Mechanism. The overall and detailed organization of individual chapters of this standard parallels that used in the equivalent ITUT recommendations. Chapters 14 correspond to Q.761Q.764. Chapter 5 corresponds to Q.766. Chapter 6 contains material pr
11、eviously in Chapter 4. Chapter 7 corresponds to Q.765. This standard is intended for use in conjunction with T1.1101999, Signaling System No. 7 (SS7)General Information. There are thirteen annexes in this standard. Chapter 1 contains one informative annex. Chapter 3 contains one normative and three
12、informative annexes. Chapter 4 contains five informative annexes. Chapter 7 contains one normative annex and two informative annexes. Information contained in a normative annex forms an integral part of this standard. Information contained in an informative annex is not considered part of this stand
13、ard, but is rather auxiliary to the standard. Similarly footnotes are not part of this standard. In case of any conflict between the text and the Specification and Description Language diagrams, the text shall have precedence. Suggestions for improvement of this standard will be welcome. They should
14、 be sent to the Alliance for Telecommunications Industry Solutions, 1200 G Street, NW, Suite 500, Washington, DC 20005. This standard was processed and approved for submittal to ANSI by the Accredited Standards Committee Packet Technologies and Systems Committee (PTSC). Committee approval of this st
15、andard does not necessarily imply that all committee members voted for its approval. At the time it approved this standard, the PTSC had the following members: B. Hall, PTSC Chair J. Zebarth, PTSC Vice-Chair -,-,- ATIS-1000113.2005 iii S. Carioti, ATIS Disciplines S. Barclay, ATIS Secretariat C. Und
16、erkoffler, ATIS Chief Editor C. Brownmiller, ATIS Editor N. Sandesara, PTSC Technical Editor Organization Represented Name of Representative AcmePacket Kevin Klett Alcatel USA Inc. Ken Biholar AT The Generic Name describes an action by X; The Specific Name indicates the purpose of the primitive, i.e
17、., whether it conveys a request for service, an indication that service-related information has been received, a response to a service request, or a confirmation that the requested service has been performed, and The Parameters contain the elements of supporting information transferred by the primit
18、ive. 3.2 Description of Primitives The following paragraphs describe the primitives used across the ISDN User Part - Message Transfer Part interface. The primitives together with the parameters carried by each primitive are also shown in Table 1/ATIS-1000113.1. 3.2.1 Transfer The MTP-TRANSFER primit
19、ive is used either by the ISDN User Part to access the Signaling Message Handling function of the Message Transfer Part or by the latter to deliver signaling message information to the ISDN User Part. 3.2.2 Pause The MTP-PAUSE primitive is sent by the Message Transfer Part to indicate its inability
20、to transfer messages to the destination specified as a parameter. The ISDN User Part should stop sending signaling traffic while it waits for the the MTP-RESUME primitive. 3.2.3 Resume The MTP-RESUME primitive is sent by the Message Transfer Part to indicate its ability to resume unrestricted transf
21、er of messages to the destination specified as a parameter. 3.2.4 Status The MTP-STATUS primitive is sent by the Message Transfer Part to indicate the signaling route to a specific destination is congested or the ISDN User Part at the destination is unavailable. Unavailability causes can be unequipp
22、ed, inaccessible, or unknown. The affected destination and the congestion indication are carried as parameters (see Table 1/ATIS-1000113.1) in the primitive. -,-,- ATIS-1000113.1.2005 1-5 4 END-TO-END SIGNALING 4.1 General End-to-end signaling is defined as the capability to transfer signaling infor
23、mation directly between the end points of a built up circuit switched connection or between signaling points that are not interconnected by a circuit switched connection. End-to-end signaling is used typically between call originating and terminating local exchanges, to request or to respond to requ
24、ests for additional call related information, to invoke a supplementary service or to transfer user-to-user information transparently through the network. End-to-end signaling procedures are described in Chapter ATIS-1000113.4. Two methods are available (see Figure 1/ATIS-1000113.1) as described in
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