ANSI ATIS 0300236-2005 Signaling System 7 (SS7) - ISDN User Part Compatibility Testing.pdf

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1、 AMERICAN NATIONAL STANDARD FOR TELECOMMUNICATIONS ATIS-0300236.2005(R2011) Signaling System 7 (SS7) ISDn User Part Compatibility Testing ATIS is the leading technical planning and standards development organization committed to the rapid development of global, market-driven standards for the inform

2、ation, entertainment and communications industry. More than 250 companies actively formulate standards in ATIS 18 Committees, covering issues including: IPTV, Service Oriented Networks, Energy Efficiency, IP-Based and Wireless Technologies, Quality of Service, and Billing and Operational Support. In

3、 addition, numerous Incubators, Focus and Exploratory Groups address emerging industry priorities including “Green”, IP Downloadable Security, Next Generation Carrier Interconnect, IPv6 and Convergence. ATIS is the North American Organizational Partner for the 3rd Generation Partnership Project (3GP

4、P), 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 (CITEL). For more information, please visit . AMERICAN NATIONAL STANDARD Approval of an American National S

5、tandard 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 the ANSI Board of Standards Review, substantial agreement has been reached by directly and mat

6、erially 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 effort be made towards their resolution. The use of American National Standards is completely

7、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 conforming to the standards. The American National Standards Institute does not develop standar

8、ds 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 in the name of the American National Standards Institute. Requests for interpretations should be

9、 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 the American National Standards Institute require that action be taken periodically to reaffirm,

10、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 Disclaimer T1.113, chapter 4, annex C.3 PURPOSE: To verify the correct response to a CVT message. P

11、RE-TEST CONDITIONS: A stable MTP signaling relationship exists between SP B and SP A and the circuit under test. CONFIGURATION: 1 MESSAGE SEQUENCE: SP B SP A CVT- cc request - |check lop - COT - cc successful TEST DESCRIPTION: 1. Send an IAM from SP B to SP A requesting continuity check for the circ

12、uit under test. 2. SP A shall connect a continuity-check loop to the circuit. 3. Verify that the continuity check is successfully performed on the circuit. 4. Verify that a Continuity (COT) message with a successful indication is received by SP A fromSP B. 10 ATIS-0300236-2005 TITLE: Continuity Test

13、 Unsuccessful - Initial Address Message (IAM) TEST NUMBER: I-2.3 REFERENCE: T1.113, chapter 3, tables 9, 14, 18; T1.113, chapter 4, table 3, clause 2.1.6, annex B PURPOSE: To verify that the continuity check for the circuit under test fails in response to a request for continuity check in the IAM. P

14、RE-TEST CONDITIONS: A stable MTP signaling relation exists between SP B and SP A. The circuit (under test) is pre-conditioned so as to cause the continuity test to fail. CONFIGURATION: 1 MESSAGE SEQUENCE: SP B SP A IAM- cc request COT- cc unsuccessful CCR- 3 minutes) instead of TCCR,r shall be used

15、in step 3. 11 ATIS-0300236-2005 TITLE: Continuity Test on Previous Circuit - Initial Address Message (IAM) TEST NUMBER: I-2.4 REFERENCE: T1.113, chapter 3, tables 9, 14; T1.113, chapter 4, clause 2.1.6 PURPOSE: To verify the proper response to the continuity-check-on-previous-circuit request in the

16、IAM. PRE-TEST CONDITIONS: A stable MTP signaling relationship exists between SP B and SP A and the circuit under test. A continuity test is being performed on a previous circuit incoming to SP B, and SP B is awaiting a Continuity (COT) message from SP C. CONFIGURATION: 2 MESSAGE SEQUENCE: SP C SP B

17、SP A IAM - IAM - cc ind cc previous ckt COT - COT - cc successful TEST DESCRIPTION: 1. Send an IAM from SP B to SP A indicating continuity-check-on-previous circuit. 2. Verify that upon receiving a Continuity (COT) message with a successful indication from SP C,SP B shall send to SP A, a COT message

18、 with a successful indication. NOTE - A continuity check is not performed for the circuit between SP B and SP A. 12 ATIS-0300236-2005 TITLE: Continuity Test Successful - Circuit Reservation Message (CRM) TEST NUMBER: I-2.5 REFERENCE: T1.113, chapter 3, tables 6C, 9, 18; T1.113, chapter 4, clause 2.1

19、.3B PURPOSE: To verify the proper responses to (1) the CRM and (2) the continuity check request in the CRM. PRE-TEST CONDITIONS: A stable MTP signaling relationship exists between SP B and SP A and the circuit under test. SP B has an incoming MF circuit. CONFIGURATION: 2 MESSAGE SEQUENCE: SP B SP A

20、CRM - cc request cc successful TEST DESCRIPTION: 1. Send a CRM from SP B to SP A indicating continuity check on the circuit (under test). 2. Verify that a Circuit Reservation Acknowledgment (CRA) message is sent from SP A to SP B. 3. Verify that upon completion of the continuity check, a Continuity

21、(COT) message is sent fromSP B to SP A. NOTE - The CRA message may precede, or follow the receipt of a COT message. 13 ATIS-0300236-2005 TITLE: Continuity Test Unsuccessful - Circuit Reservation Message (CRM) TEST NUMBER: I-2.6 REFERENCE: T1.113, chapter 3, tables 6C, 9, 18; T1.113, chapter 4, claus

22、e 2.1.3B PURPOSE: To verify the proper response to the CRM, and to verify that the continuity check for the circuit under test fails in response to a request for continuity check in the CRM PRE-TEST CONDITIONS: A stable MTP signaling relation exists between SP B and SP A. The circuit (under test) is

23、 pre-conditioned so as to cause the continuity test to fail. SP B has an incoming MF circuit. CONFIGURATION: 2 MESSAGE SEQUENCE: SP B SP A CRM - cc request cc unsuccessful CCR - 3 minutes) instead of TCCR,r shall be used in step 4. 14 ATIS-0300236-2005 TITLE: Single Circuit Blocking/Unblocking - BLO

24、/UBL TEST NUMBER: I-3.1 REFERENCE: T1.113, chapter 3, tables 6B, 18, 21; T1.113, chapter 4, clause 2.8.2 PURPOSE: To verify the proper response to the Blocking and Unblocking on the circuit under test. PRE-TEST CONDITIONS: A stable MTP signaling relation exists between SP B and SP A. The circuit (un

25、der test) has a circuit state, e.g., idle, prior to the test. CONFIGURATION: 1 MESSAGE SEQUENCE: SP B SP A CQM - CQM - ATIS-0300236-2005 TEST DESCRIPTION: 1. Send a Circuit Query Message (CQM) from SP B to SP A for the circuit under test. 2. Verify that a Circuit Query Response (CQR) message is sent

26、 from SP A to SP B, and the state ofthe circuit carried in the CQR is correct, e.g., idle. 3. Send a Blocking (BLO) message from SP B to SP A for the circuit under test. 4. Verify that a Blocking Acknowledgment (BLA) message is sent from SP A to SP B. 5. Send a Circuit Query Message (CQM) from SP B

27、to SP A for the circuit under test. 6. Verify that a Circuit Query Response (CQR) message is sent from SP A to SP B, and the state ofthe circuit carried in the CQR is “remotely blocked“ at SP A. 7. Send a Reset Circuit (RSC) message from SP B to SP A for the circuit under test. 8. Verify that a Rele

28、ase Complete (RLC) message is sent from SP A to SP B. 9. Send a Circuit Query Message (CQM) from SP B to SP A for the circuit under test. 10. Verify that a Circuit Query Response (CQR) message is sent from SP A to SP B, indicating thatthe circuit is back in its original state, e.g., idle, with the “

29、remotely blocked“ state removed at SPA. 11. Send an Unblocking (UBL) message from SP B to SP A for the circuit under test. 12. Verify that an Unblocking Acknowledgment (UBA) message is sent from SP A to SP B. 13. Send a Circuit Query Message (CQM) from SP B to SP A for the circuit under test. 14. Ve

30、rify that a Circuit Query Response (CQR) message is sent from SP A to SP B, indicating thatthe circuit is in its original state, e.g., idle. 15. Send a Blocking (BLO) message from SP A to SP B for the circuit under test. 16. Verify that a Blocking Acknowledgment (BLA) message is sent from SP B to SP

31、 A. 17. Send a Circuit Query Message (CQM) form SP B to SP A for the circuit under test. 18. Verify that a Circuit Query Response (CQR) message is sent from SP A to SP B and the state ofthe circuit carried in the CQR is “locally blocked“ at SP A. 19. Send a Reset Circuit (RSC) message from SP B to S

32、P A for the circuit under test. 20. Send a Blocking (BLO) message from SP A to SP B for the circuit under test. 21. Verify that a Release Complete (RLC) message is sent from SP A to SP B before or after aBlocking Acknowledgment (BLA) message is received by SP A. 22. Send a Circuit Query Message (CQM

33、) from SP A to SP B for circuit under test 23. Verify that a Circuit Query Response (CQR) message is sent from SP B to SP A and the state ofthe circuit carried in the CQR is “remotely blocked“ at SP B. 24. Send a Unblocking (UBL) message from SP A to SP B for the circuit under test. 25. Verify that

34、an Unblocking Acknowledgment (UBA) message is sent from SP B to SP A. 26. Send a Circuit Query Message (CQM) from SP A to SP B for the circuit under test. 27. Verify that a Circuit Query Response (CQR) message is sent from SP B to SP A, indicating thatthe circuit is in its original state (e.g., idle

35、). 17 ATIS-0300236-2005 18 TITLE: Blocking/Unblocking from Call Originating End - BLO/UBL TEST NUMBER: I-3.3 REFERENCE: T1.113, chapter 3, tables 5, 6, 14, 14A, 18; T1.113, chapter 4, clauses 2.1, 2.3.1, 2.8.2 PURPOSE: To verify the proper responses to the Blocking on the circuit when the call is ac

36、tive, and unblocking on the same circuit when the call is released. PRE-TEST CONDITIONS: A stable MTP signaling relation exists between SP B and SP A. There may be signaling points preceding SP B, and succeeding SP A to establish an end-to-end call. CONFIGURATION: 1 MESSAGE SEQUENCE: SP B SP A IAM-

37、REL - TEST DESCRIPTION: 1. Initiate a call from SP B to SP A. 2. Verify that the Initial Address Message (IAM), Address Complete Message (ACM), and AnswerMessage (ANM) are properly sent and received, and that the circuit connectivity is made. 3. Send a Blocking (BLO) message from SP A to SP B for th

38、e circuit. 4. Verify that a Blocking Acknowledgment (BLA) message is sent from SP B to SP A, and that theconnectivity is still established. 5. Release the call by sending a Release (REL) message from SP B to SP A. 6. Verify that a Release Complete (RLC) message is sent from SP A to SP B, and that a

39、call cannotbe originated from SP B. 7. Send a Unblocking (UBL) message from SP A to SP B for the circuit under test. 8. Verify that a Unblocking Acknowledgment (UBA) message is sent from SP B to SP A, and thateither SP B or SP A can originate a call over this circuit. 19 ATIS-0300236-2005 TITLE: IAM

40、 received on a remotely blocked circuit TEST NUMBER: I-3.5 REFERENCE: T1.113, chapter 3, tables 6B, 14, 18, 21; T1.113, chapter 4, clauses 2.1, 2.8.2 PURPOSE: To verify the proper circuit state when an IAM is received on a remotely blocked circuit. PRE-TEST CONDITIONS: A stable MTP signaling relatio

41、n exists between SP B and SP A. The circuit (under test) has a circuit state, e.g., idle, prior to test. CONFIGURATION: 1 MESSAGE SEQUENCE: SP B SP A BLO - CQM - IAM - REL - TEST DESCRIPTION: 1. Send an Initial Address Message (IAM) from SP B to SP A for the circuit under test. 2. Send a Blocking (B

42、LO) message from SP A to SP B for the circuit under test. 3. (See Note) Verify that a Blocking Acknowledgement (BLA) message is sent from SP B to SP A. 4. Verify that a Release (REL) message is sent from SP B, and a Release Complete (RLC) message issent from SP A. 5. Send an Unblocking (UBL) message

43、 from SP A to SP B for the circuit under test. 6. Verify that an Unblocking Acknowledgement (UBA) message is sent from SP B, and the circuitis ready for service. NOTE - The original call should be reattempted on another circuit. 22 ATIS-0300236-2005 23 TITLE: Circuit Group Blocking/Unblocking - CGB/

44、CGU (Block Without Release) TEST NUMBER: I-4.1 REFERENCE: T1.113, chapter 3, tables 6B, 20, 21; T1.113, chapter 4, clause 2.8.2.2 PURPOSE: To verify the proper responses to the Circuit Group Blocking (block without release or maintenance oriented) and Circuit Group Unblocking on the concerned circuits. PRE-TEST CONDITIONS: A stable MTP signaling relation exists between SP B and SP A. The circuits (under test) are idle. CONFIGURATION: 1 MESSAGE SEQUENCE: SP B SP A CQM - (see Note 1.)CGB - CGB (see Note 3) - - CQR - -