1、 STDDETSI EN 300 058-3-ENGL 1998 3400855 0308542 848 EN 300 058-3 VI .2.4 (1998-061 European Standad (Telecommunications series) Integrated Services Digital Network (ISDN); Call Waiting (CW) supplementary service; Digital Subscriber Signalling System No. one (DSSI) protocol; Part 3: Test Suite Struc
2、ture and Test Purposes (TSS Essential, orpotentially Essential, IPRs notijed to ETSI in respect of ETSI standards“, which is available free of charge from the ETSI Secretariat. Latest updates are available on the ETSI Web server (http:/www.etsi.fr/ipr or http:/www .etsi.org/ipr). Pursuant to the ETS
3、I IPR Policy, no investigation, including IPR searches, has been camed out by ETSI. No guarantee can be given as to the existence of other IPRs not referenced in SR 000 314 (or the updates on the ETSI Web server) which are, or may be, or may become, essential to the present document. Foreword This E
4、uropean Standard (Telecommunications series) has been produced by ETSI Technical Committee Signalling Protocols and Switching (SPS). The present document is part 3 of a multi-part standard covering the Digital Subscriber Signalling System No. one (DSSl) protocol specification for the Integrated Serv
5、ices Digital Network (ISDN) Call Waiting (CW) supplementary service, as described below: Part 1 : “Protocol specification“; Part 2: Part 3: Part 4: “Protocol Implementation Conformance Statement (PICS) proforma specification“; “Test Suite Structure and Test Purposes (TSS “Abstract Test Suite (ATS) a
6、nd partial Protocol Implementation extra Information for Testing (PLXIT) proforma specification for the user“; “Test Suite Structure and Test Purposes (TSS “Abstract Test Suite (ATS) and partial Protocol Implementation extra Information for Testing (PLXIT) proforma specification for the network“. Pa
7、rt 5: Part 6: The present version updates the references to the basic call specifications National transposition dates Date of adoption of this EN: Date of latest announcement of this EN (doa): 19 June 1998 30 September 1998 Date of latest publication of new National Standard or endorsement of this
8、EN (dop/e): 31 March 1999 Date of withdrawal of any conflicting National Standard (dow): 31 March 1999 ETSI STD.ETS1 EN 300 058-3-ENGL I998 = 3400855 0308546 493 5 EN 300 058-3 V1.2.4 (1 99806) 1 Scope This third part of EN 300 058 specifies the Test Suite Structure and Test Purposes (TSS or all ver
9、sions up to and including the identified version (identified by “up to and including“ before the version identity); or all versions subsequent to and including the identified version (identified by “onwards“ following the version identity); or publications without mention of a specific version, in w
10、hich case the latest version applies. A non-specific reference to an ETS shall also be taken to refer to later versions published as an EN with the same number. 111 EN 300 058-1 (V1.2): “Integrated Services Digital Network (ISDN); Call Waiting (CW) supplementary service; Digital Subscriber Signallin
11、g System No. one (DSS1) protocol; Part 1: Protocol specification“. EN 300 058-2 (V1.2): “Integrated Services Digital Network (ISDN); Call Waiting (CW) supplementary service; Digital Subscriber Signalling System No. one (DSS1) protocol; Part 2: Protocol Implementation Conformance Statement (PICS) pro
12、forma specification“. ISOAEC 9646- 1 : “Information Technology - OS1 Conformance Testing Methodology and Framework; Part 1: General Concepts“. ISOhEC 9646-2: “Information Technology - OS1 Conformance Testing Methodology and Framework; Part 2: Abstract Test Suite specification“. ISODEC 9646-3: “Infor
13、mation Technology - OS1 Conformance Testing Methodology and Framework; Part 3: The Tree and Tabular Combined Notation“. ITU-T Recommendation 1.41 1 (1993): “ISDN user-network interfaces - Reference configurations“. EN 300 403-1: “Integrated Services Digital Network (ISDN); Digital subscriber Signall
14、ing System No. one (DSS 1) protocol; Signalling network layer for circuit-mode basic Cali control; Part 1 : Protocol specification ITU-T Recommendation 4.93 1 (1993), modified“. ITU-T Recommendation 1.1 12 “Vocabulary and terms for ISDNs“. CCITT Recommendation E.164: “Numbering plan for the ISDN era
15、“. ITU -T Recommendation 1.2 10: “Principles of the telecommunication services supported by an ISDN and the means to describe them“. 121 Pl 141 151 161 171 181 191 1101 STDmETSI EN 300 058-3-ENGL 1998 3400855 0308547 32T D 6 EN 300 058-3 V1.2.4 (1 998-06) 3 Definit ions For the purposes of the prese
16、nt document, the following definitions apply: 3.1 Definitions related to conformance testing abstract test case: Refer to ISO/iEC 9646-1 131 Abstract Test Suite (ATS): Refer to ISO/IEC 9646- 1 131. active test: A test case where the IUT is required to send a particular message, but not in reaction t
17、o a received message. This would usually involve the use of PIXIT information to see how this message can be generated and quite often is specified in an ATS using an implicit send event. Implementation Under Test (IUT): Refer to ISO/lEC 9646-1 131. implicit send event: Refer to lSO/IEC 9646-3 151.
18、lower tester: Refer to ISOIEC 9646-1 131. passive test: A test case where the IUT is required to respond to a protocol event (e.g. received message) with another protocol event (sends message) and normally does not require any special operator intervention such as is associated with the implicit sen
19、d event. point of control and observation: Refer to lSO/lEC 9646- 1 131. Protocol Implementation Conformance Statement (PICS): Refer to ISO/lEC 9646- 1 131. PICS proforma: Refer to ISO/IEC 9646-1 131. Protocol Implementation extra Information for Testing (PIXIT): Refer to ISO/IEC 9646-1 3. PIXIT pro
20、forma: Refer to ISOILEC 9646- 1 L31. system under test: Refer to ISOhEC 9646-1 3 Test Purpose (TP): Refer to ISO/IEC 9646-1 131. 3.2 Definitions related to EN 300 058-1 Integrated Services Digital Network (ISDN): See ITU-T Recommendation 1.1 12 181, definition 308. ISDN number: A number conforming t
21、o the numbering plan and structure specified in CCIT Recommendation E.164 191. service; telecommunication service: See ITU-T Recommendation I. 112 SI, definition 201. subscriber B: Subscriber B is the subscriber who is provided by the network with the CW supplementary service on a particular interfa
22、ce. supplementary service: See ITU-T Recommendation 1.210 lo, subclause 2.4, user: The DSSl protocol entity at the User side of the user-network interface where a T reference point or coincident S and T reference point applies. user (S/T): The DSSl protocol entity at the User side of the user-networ
23、k interface where a coincident S and T reference point applies. user (T): The DSSl protocol entity at the User side of the user-network interface where a T reference point applies (User is the Private ISDN). user B: User B is the one user who reacts to the call waiting at subscriber B. ETSI - STD.ET
24、S1 EN 300 058-3-ENGL 1996 3400855 0308548 2bb 7 EN 300 058-3 V1.2.4 (1 998-06) user C: User C is the user who has originated a call to subscriber B which causes the CW supplementary service to be invoked. 4 Abbreviations For the purposes of the present document, the following abbreviations apply: AT
25、M ATS cw DSSl ISDN IUT PICS PIXIT Tp TSS U00 u01 U03 U08 u10 u11 Abstract Test Method Abstract Test Suite Cai1 Waiting Digital Subscriber Signalling System No. one Integrated Services Digital Network Implementation Under Test Protocol implementation Conformance Statement Protocol Implementation extr
26、a Information for Testing Test Purpose Test Suite Structure Null cail state Call initated call state Outgoing call proceeding call state Connect Request call state Active call state Disconnect Request call state 5 Test Suite Structure (TSS) User (SF) User (T) User C User + B User C User r-5 B (04) (
27、05) (03) I Valid behaviour (01 1 NOTE: Numbers in brackets represent group numbers and are used in TP identifiers. Figure 1 : Test suite structure 6 Test Purposes (TP) 6.1 I nt rod ucti o n For each test requirement a TP is defined. 6.1.1 TP naming convention TPs are numbered, starting at 001, withi
28、n each group. Groups are organized according to the TSS. Additional references are added to identify the actual test suite and whether it applies to the network or the user (see table 1). ETSI 8 EN 300 058-3 Vi .2.4 (1 998-06) TP part Header Stimulus Reaction Message structure NOTE: Text Table 1: TP
29、 identifier naming convention scheme Identifier: - = supplementary service: e.g. “CW“ = type of IUT: U User = group ann = sequential number (O01 -999) N Network 2 digit field representing group reference according to TSS Text Example tab tab XY 0.0 CR mandatory, optional, conditional Ensure that the
30、 IUT in the UOO, U1 O, etc. see below for message structure receiving a XXXX message or to request a sends, saves, does, etc. using en bloc sending, . if the action is sending , etc. and enters anNorand remains in the same state(s) message containing a a) information element with b) a encoded as ori
31、ncluding and back to a orb, subclause 0.0.0 see below for message structure SETUP, FACILITY, CONNECT, . Bearer capability, Facility, in italics will not appear in TPs and text between e is filled in for each TP and may differ from one 6.1.2 Source of TP definition The TPs are based on EN 300 058-1 i
32、. 6.1.3 TP structure Each TP has been written in a manner which is consistent with all other TPs. The intention of this is to make the TPs more readable and checkable. A particular structure has been used and this is illustrated in table 2. This table should be read in conjunction with any Tp, Le. u
33、se a TP as an example to fully understand the table. 6.1.4 Test strategy As the base standard EN 300 058-1 i contains no explicit requirements for testing, the TPs were generated as a result of an analysis of the base standard and the PICS specification EN 300 058-2 121. The criteria applied include
34、 the following: - - only the requirements from the point of view of the T or coincident S and T reference point are considered; whether or not a test case can be built from the “ is not considered. ETSI - STD-ETSI EN 300 058-3-ENGL 1998 = 3400855 0308550 9L4 6.2 9 EN 300 058-3 V1.2.4 (1 998-06) User
35、 TPs for CW All PICS items referred to in this subclause are as specified in EN 300 058-2 2 unless indicated otherwise by another numbered reference. 6.2.1 User (STT) Selection: IUT supports coincident S and T reference point procedures 6.2.1.1 Valid behaviour CW-UOlOOl subclause 9.5.1 Ensure that t
36、he busy IUT, if a B-channel is available, receiving a valid and compatible SETUP message, responds with an ALERTING message. CW-Vol-O02 subclause 95.1 Ensure that the busy IUT that have information channel control, receiving a valid and compatible SETUP message containing a Channel identification in
37、formation element with an information channel selection indicating “no B-channel available“, responds with an ALERTING message. CW-Vol-O03 subclause 9.5.2 Ensure that the free IUT in Null call state U00 but whose resources are in use, receiving a valid and compatible SETUP message containing a Chann
38、el identification information element with an information channel selection indicating “no B-channel available“, if it can not proceed with the offered call, responds with a RELEASE COMPLETE message Containing a Cause information element with cause value #34 “no circuitkhanne1 available“. CW-Vol-O04
39、 subclause 9.5.2 Ensure that the busy IUT receiving a valid and compatible SETUP message, but that is unable to proceed with the call, responds with a RELEASE COMPLETE message containing a Cause information element with cause value #17 “user busy I. CW-Vol-O05 subclause 9.6.1 MC 2 optional Ensure th
40、at the IUT after setting free resources to accept a waiting call by releasing an existing call, sends a CONNECT message to the waiting call and enters the Connect Request call state UO8. CW-Vol-00s subclause 9.6.1 MC 3 optional Ensure that the IUT after setting free resources to accept a waiting cal
41、l by using the call hold supplementary service to hold an existing call in the active state, sends a CONNECT message to the waiting call and enters the Connect Request call state U08. CW-Vol-O07 subciause 9.6.1 MC2orMC3 optional Ensure that the IUT after setting free resources, to accept the waiting
42、 call, sends a CONNECT message containing a Channel identification information element encoded as “channel is indicated, no alternative acceptable“ to the waiting call and enter the Connect Request call state U08. CW-Vol-00s subclause 9.6.2 MC 4 optional Ensure that the IUT after sending the ALERTIN
43、G message, to reject the incoming waiting call, sends a DISCONNECT message to the waiting call and enters the Disconnect Request call state U1 1. CW-Vol-O09 subclause 9.6.1 Ensure that the IUT in Connect Request call state UO8, receiving a CONNECT ACKNOWLEDGE message containing a Channel identificat
44、ion information element indicating the B-channel to be used sends no messages and enters the Active call state U 10. STD-ETSI EN 300 058-3-ENGL 3998 W 3400855 0308553 850 6.2.1.2 Timers CW-U02001 subclause 9.5.1.2 Ensure the correct implementation of the timer T-CW. 10 TM 1 CW-UO2-O02 subclause 9.5.
45、2 TM 1 Ensure that the IUT, on the expiry of timer T-CW, sends a DISCONNECT message with cause value #19 description. EN 300 058-3 Vi .2.4 (1 99806) optional optional 6.2.1.3 User C CW-UOS-O01 subclauses 9.5.1.1 Ensure that the IUT in Call Initiated call state U01 or Outgoing Call Proceeding call st
46、ate U03, receiving an ALERTING message containing a Notification indicator information element with notification description #96 “call is a waiting call“, continues normal call handling. 6.2.2 User (T) Selection: IUT supports T reference point procedures 6.2.2.1 User B CW-UO4-O01 subclause 10.1 MC 5
47、 mandatory Ensure that the IUT during incoming call establishment, when a waiting call is present at its S interface, sends an ALERTING message containing a Notification indicator information element with notification description #96 “call is a waiting call“. 6.2.2.2 User C C W-VOS-O02 subclauses 10
48、.2 Ensure that the IUT in Call Initiated call state U01 or Outgoing Call Proceeding call state U03, receiving an ALERTING message containing a Notification indicator information element with notification description #96 “call is a waiting call“, continues normal call handling. 7 Compliance An ATS wh
49、ich complies with this TSS b) use a TSS which is an appropriate subset of the whole of the TSS specified in clause 5; c) use the same naming conventions for the test groups and test cases; d) maintain the relationship specified in clause 6 between the test groups and TPs and the entries in the PICS proforma to be used for test case deselection; e) comply with ISO/LEC 9646-2 4. In the case of a) orb) above, a subset shali be used only where a particular Abstract Test Method (ATM) makes some TPs untestable. All testable TPs from clause 6 shall b
