1、INTERNATIONAL TELECOMMUNICATION UNION ITU-T TELECOMMUNICATION STANDARDIZATION SECTOR OF ITU Q.2971 E (1 2/1999) SERIES Q: SWITCHING AND SIGNALLING Broadband ISDN - B-ISDN application protocols for access signalling Digital subscriber signalling system No. 2 - User-network interface layer 3 specifica
2、tion for poi nt-to-m u Iti point cal Ikon nection control : Test Suite Structure and Test Purposes (TSS all users of this Recommendation are threfore encouraged to investigate the possibility of applying the most recent edition of the Recommendations and other references listed below. A list of the
3、currently valid ITU-T Recommendations is regularly published. i ITU-T Recommendation 4.2971 (1995), Digital Subscriber Signalling System No. 2 (aSS2) - User-network inte flace layer 3 specijkation for point-to-multipoint callUconnection control. ITU-T Recommendation 4.293 1 (1995), Digital Subscribe
4、r Signalling System No. 2 (aSS2) - User-Network Interface (v2vr) layer 3 specijkation for basic callUconnection control. ITU-T Recommendation 1.4 13 (1 993), B-ISDN user-network interface. 2 31 ITU-T Recommendation Q.2971 E was previously numbered as Q.2971 quinquies during the approval process. ITU
5、T 4.2971 E (12/1999) 1 4 ETSI ETS 300 771-5 (1998), Broadband Integrated Services Digital Network (23-ISDN); Digital Subscriber Signalling System No. two (aSS2) protocol; B-ISDN user-network inte flace layer 3 specijkation for point-to-multipoint callhearer control; Part 5: Test Suite Structure and
6、 Test Purposes (TSS %-g whether or not a test case can be built rom the TP is not considered.“ - Page 46, subclause 6.2.1.5.9, test purposes L3MN-22-29 to L3MN-22-31 Modify test purposes as below: “L3MN-22-29 Ensure that the IUT in N4 and P3 for party 1 and P3 for party 2, on receipt of a DROP PARTY
7、 message (Optional information element with content error present, IE instruction field flag = IE instruction field not significant, Endpoint reference value = party 2), optionally sends a STATUS message (Cause = value 100 and optional diamostics field carrying. correct IE identifier, Call state val
8、ue = 4, Endpoint reference value = party 2, Endpoint reference party state = 6) followed by a DROP PARTY ACKNOWLEDGE messageas u. STLAxT,TS -2 - !E, C-2 - 4, - ?O - W UIbJ 1 Y “ -, remains in P3 for party 1, enters PO for party 2 and remains in N4. L3MN-22-30 Ensure that the IUT in N10 and P7 for pa
9、rty 1 and P3 for party 2, on receipt of a DROP PARTY message (Optional information element with content error present, IE instruction field flag = IE instruction field not significant, Endpoint reference value = party 2), optionally sends a STATUS message (Cause = value 100 and optional diagnostics
10、field carrying. correct IE identifier, Call state value = 10, Endpoint reference value = party 2, Endpoint reference party state = 6) followed by a DROP PARTY ACKNOWLEDGE message vs u. STLAxTLTS -2 - !E, C-2 - !e, - 30 - W UIbJ 1 Y “ -, remains in P7 for party 1, enters PO for party 2 and remains in
11、 N10. L3MN-22-31 Ensure that the IUT in N10 and P7 for party 1 and P7 for party 2, on receipt of a DROP PARTY message (Optional information element with content error present, IE instruction field flag = IE instruction field not significant, Endpoint reference value = party 2), optionally sends a ST
12、ATUS message (Cause = value 100 and optional diagnostics field carrying. correct IE identifier, Call state value = 10, Endpoint reference value = party 2, Endpoint reference party state = 6) followed by a DROP PARTY ACKNOWLEDGE message I P-* - 1n0 w I“ Y th * -, remains in P7 for party 1, enters PO
13、for party 2 and remains in N10.“ ITU-T 4.2971 E (12/1999) 3 Page 54, subclause 6.2.2.1.4, test purposes L3MN-3201 and L3MN-32-02 Modify test purposes as below: “L3MN-320 1 Ensure that the IUT in N7 and P4 for party 1 and P1 for party 2, on the expiry of T399, sends a I DROP PARTY message (Endpoint r
14、eference value = party 2, Cause value = 1021, enters P5 for party 2, remains in P4 for party 1 and remains in N7. L3MN-32-02 Ensure that the IUT in N10 and P7 for party 1 and P1 for party 2, on the expiry of T399, sends a I DROP PARTY message (Endpoint reference value = party 2, Cause value = 1021,
15、enters P5 for party 2, remains in P7 for party 1 and remains in N10.“ Page 91, subclause 6.2.2.4.8, test purposes L3MN-47-37 to L3MN-47-39 Modify test purposes as below: “L3MN-47-37 Ensure that the IUT in N7 and P4 for party 1 and P4 for party 2, on receipt of a DROP PARTY message (Optional informat
16、ion element with content error present, IE instruction field flag = IE instruction field not significant, Endpoint reference value = party 2), optionallv sends a STATUS message (Cause = value 100 and optional diamostics field carrying correct IE identifier. Call state value = 7. Endpoint reference v
17、alue = partv 2, Endpoint reference partv state = 6) followed bv a DROP PARTY ACKNOWLEDGE message n n QTATTTQ ?o UIbJ 1 Y u cc UIILIWU -, remains in P4 for party 1, enters PO for party 2 and remains in N7. L3MN-47-38 Ensure that the IUT in N10 and P7 for party 1 and P4 for party 2, on receipt of a DR
18、OP PARTY message (Optional information element with content error present, IE instruction field flag = IE instruction field not significant, Endpoint reference value = party 2), optionally sends a STATUS message (Cause = value 100 and optional diagnostics field carrying correct IE identifier. Call s
19、tate value = 10. Endpoint reference value = partv 2, Endpoint reference partv state = 6) followed bv a DROP PARTY ACKNOWLEDGE message n n QTATTTQ c- - ino u cc UIILL wu w I“ v w I“ Y 30 - * th - UIbJ 1 Y “ “I -, remains in P7 for party 1, enters PO for party 2 and remains in N10. L3MN-47-39 Ensure t
20、hat the IUT in N10 and P7 for party 1 and P7 for party 2, on receipt of a DROP PARTY message (Optional information element with content error present, IE instruction field flag = IE instruction field not significant, Endpoint reference value = party 2), optionally sends a STATUS message (Cause = val
21、ue 100 and optional diagnostics field carrying: correct IE identifier. Call state value = 10. Endpoint reference value = party 2, Endpoint reference partv state = 6) followed bv a DROP PARTY ACKNOWLEDGE message c- - inn w I“ Y th - -, remains in P7 for party 1, enters PO for party 2 and remains in N
22、10.“ 4 ITU-T 4.2971 E (12/1999) Page 94, History Delete the whole clause “History“. APPENDIX I Bibliography A ETSI Standard ETS 300 771-1 (1997), Broadband Integrated Services Digital Network (23-ISDN); Digital Subscriber Signalling System No. two (aSS2) protocol; B-ISDN user-network interface layer
23、 3 specijkation for point-to-multipoint callhearer control; Part 1: Protocol specijkation. ITU-T 4.2971 E (12/1999) 5 Series A Series B Series C Series D Series E Series F Series G Series H Series I Series J Series K Series L Series M Series N Series O Series P Series Q Series R Series S Series T Se
24、ries U Series V Series X Series Y Series Z ITU-T RECOMMENDATIONS SERIES Organization of the work of the ITU-T Means of expression: definitions, symbols, classification General telecommunication statistics General tariff principles Overall network operation, telephone service, service operation and h
25、uman factors Non-telephone telecommunication services Transmission systems and media, digital systems and networks Audiovisual and multimedia systems Integrated services digital network Transmission of television, sound programme and other multimedia signals Protection against interference Construct
26、ion, installation and protection of cables and other elements of outside plant TMN and network maintenance: international transmission systems, telephone telegraphy, facsimile and leased circuits Maintenance: international sound programme and television transmission circuits Specifications of measur
27、ing equipment Telephone transmission quality, telephone installations, local line networks Switching and signalling Telegraph transmission Telegraph services terminal equipment Terminals for telematic services Telegraph switching Data communication over the telephone network Data networks and open system communications Global information infrastructure and Internet protocol aspects Languages and general software aspects for telecommunication systems circuits, Printed in Switzerland Geneva, 2001
