1、DIN1 DIN ETS 3001b 94 2794442 038b013 240 DK 621.395 : 654.1 DEUTSCHE NORM Januar 1994 T ISDN Di e nst m e r km al “Drei e rve r b i n d u n g “ Dienst besc h rei bu ng Englische Fassung ETS 300 186 : 1993 DIN - ETS 300186 Die Europische Telekommunikationsnorm ETS 300 186 : 1993 hat den Status einer
2、 Deutschen Norm. Nationales Vorwort Die vorliegende Norm ist auf der Grundlage der vom Europischen Institut fr Telekommunika- tionsnormen (ETSI) herausgegebenen Europischen Telekommunikationsnorm ETS 300 186, Ausgabe Juli 1993, “Integrated Services Digital Network (ISDN); Three-Party (3PTY) supple-
3、mentary service; Service description“, verffentlicht worden. Diese Norm enthlt unter Be- rcksichtigung des DIN-Prsidialbeschlusses 13/1983 den englischen Originaltext der vom Technischen Unterkomitee .NA 1 des ETSI erarbeiteten ETS 300 186. Fachlich zustndig in Deutschland ist das Unterkomitee 723.1
4、 “Telekommunikationsdienste (Anwendungssicht)“ der Deutschen Elektrotechnischen Kommission im DIN und VDE (DKE). Dieser Norm entspricht die CCITT-Empfehlung 1.254.2. Das Dienstmerkmal “Dreierverbindung“ erlaubt dem Dienstnutzer, zwei Sprachverbindungen zu einer Dreierkonferenz zusammenzuschalten. Be
5、i bestehender Dreierkonferenz kann der Konferenzeinberufer eine der Verbindungen gezielt auslsen sowie eine direkte Kommunika- tionsmglichkeit mit einem der Konferenzteilnehmer herstellen, wobei der andere Konferenzteilnehmer herausgeschaltet und seine Verbindung in den Haltezustand versetzt wird. F
6、ortsetzung 16 Seiten ETS Deutsche Elektrotechnische Kommission im DIN und VDE (DKE) Ileinverkauf der Normen durch Beuth Verlag GmbH, 10772 Berlin DIN ETS 300 186 Jan 1994 Preisgr: 6 01.94 Vertr.-Nr. 1706 DIN3 DIN ETS 300386 94 = 2794442 038bOii4 387 H ETS 300 186 July 1993 Source: ETSI TC-NA Referen
7、ce: T/NAI (89128 UDC: 621.395 Key words: ISDN, supplementary service Integrated Services Digital Network (ISDN); Three-Party (3PTY) supplementary service Service description ETSI European Telecommunications Standards Institute ETSI Secretariat Postal address: 0692 1 Sophia Antipolis Cedex - FRANCE O
8、ffice address: Route des Lucioles - Sophia Antipolis - Valbonne - FRANCE Tel.: + 33 92 94 42 O0 - Fax: + 33 93 65 47 16 0 European Telecommunications Standards Institute 1 993. All rights reserved. No part may be reproduced except as authorised by written permission. The copyright and the foregoing
9、restriction on reproduction extend to all media in which the information may be embodied. DIN3 DIN ETS 300386 74 m 2774442 O386035 013 m Page 2 ETS 300 186:1993 Whilst every care has been taken in the preparation and publication of this document, errors in content, typographical or otherwise, may oc
10、cur. If you have comments concerning its accuracy, please write to “ETSI Editing and Standards Approval Dept.“ at the address shown on the title page. DIN1 DIN ETS 300LBb 94 2794442 03860Lb T5T = Page 3 ETS 300 186:1993 Contents Foreword . 5 1 Scope . 7 2 Normative references 7 3 Definitions . 8 4 S
11、ymbols and abbreviations . 8 5 Description 8 6 Procedures . 9 6.1 Provision and withdrawal 9 6.2 Normal procedures . 9 6.2.1 Activation. deactivation and registration . 9 6.2.2 Erasure 9 6.2.3 Invocation and operation 9 Beginning the 3PTY supplementary service 9 Information provided to participants
12、10 6.2.4 Interrogation . 10 Activation. deactivation and registration . 10 Invocation and operation 10 6.2.3.1 6.2.3.2 6.2.3.3 6.2.3.4 Managing the three-way conversation . 9 Actions available to the remote parties 9 6.3 Exceptional procedures . 10 6.3.1 6.3.2 Erasure 10 6.3.3 6.3.4 Interrogation .
13、10 7 Intercommunication considerations 10 Interworking with non-ISDNs . 10 Interworking with private ISDNs . 11 7.1 7.2 8 Interaction with other supplementary services . 11 8.1 8.2 8.3 8.4 8.5 8.6 8.7 8.8 8.9 8.10 Advice of charge services 11 8.1 .i Charging information at call Set-up time 11 8.1.2
14、Charging information during the call . 11 8.1.3 Charging information at the end of the call 11 Call waiting . 12 Call hold . 12 Explicit call transfer 12 Number identification services 12 8.5.1 Calling line identification presentation . 12 8.5.2 Calling line identification restriction 12 8.5.3 Conne
15、cted line identification presentation . 12 8.5.4 Connected line identification restriction 12 Closed user group 12 Completion of calls to busy subscriber 12 Conference services . 13 8.8.1 Conference call, add-on . ., . 13 8.8.2 Meet-me conference 13 Diversion services 13 Call forwarding unconditiona
16、l 13 Direct dialling in . 13 8.10.1 DIN3 DIN ETS 300386 94 = 2794442 0386017 996 W Page 4 ETS 300 186:1993 8.10.2 Call forwarding busy i3 8.1 0.3 Call forwarding no reply 13 8.10.4 Call deflection . 13 8.1 1 Freephone . 13 Malicious call identification 14 Multiple subscriber number 14 8.1 4 Subaddre
17、ssing . 14 Terminal portability . 14 8.1 6 Three-party 14 User-to-user signalling . I . 14 8.1 2 8.1 3 8.1 5 8.1 7 Annex A (informative): Management of active and held calls . 15 A . 1 Introduction 15 A.2 Functionality available to the served user controlling more than one call 15 History . 16 DIN1
18、DIN ETS 300186 94 2794442 03Bb018 822 H Page 5 ETS 300 186:1993 Foreword This European Telecommunication Standard (ETS) has been produced by the Network Aspects (NA) Technical Committee of the European Telecommunications Standards Institute (ETSI). In accordance with CCITT Recommendation I. 130 i1 1
19、, the following three level structure is used to describe the supplementary telecommunications services as provided by European public telecommunications operators under the pan-European Integrated Services Digital Network (ISDN): - Stage 1 : is an overall service description, from the users standpo
20、int; - Stage 2: identifies the functional capabilities and information flows needed to support the service described in stage 1 ; and - Stage 3: defines the signalling system protocols and switching functions needed to implement the service described in stage 1. This ETS details the stage 1 aspects
21、(overall service description) for the Three-Party (3PTY) supplementary service. Stage 2 and stage 3 aspects are detailed in ETS 300 187 (1993) and ETS 300 188 (1 993) respectively. DIN1 DIN ET3 300186 74 w 277gi.142 0386019 7b7 W Page 6 ETS 300 186:1993 Blank page DIN1 DIN ETS 300186 94 = 2794442 03
22、86020 480 Page 7 ETS 300 186:1993 1 Scope This standard defines the stage one of the Three-Party (3PTY) supplementary service for the pan-European Integrated Services Digital Network (ISDN) as provided by European public telecommunications operators. Stage one is an overall service description from
23、the users point of view (see CCITT Recommendation 1.130 ll), but does not deal with the details of the human interface itself. This standard defines the interworking requirements of private ISDNs with the public ISDN. In addition, this standard specifies the base functionality where the service is p
24、rovided to the user via a private ISDN. This standard does not specify the additional requirements where the service is provided to the user via a telecommunications network that is not an ISDN but does include interworking requirements of other networks with the public ISDN. Interaction with supple
25、mentary services not listed in Clause 8 are outside the scope of this standard. Charging principles are outside the scope of this standard. The 3PTY supplementary service enables a user to establish, participate in and control, a three-way conversation, .e. a simultaneous communication involving the
26、 served user and two remote parties. The 3PTY supplementary service is applicable to all circuit-switched telecommunications services carrying speech. This standard is applicable to the stage two and the stage three standards for the ISDN 3PTY supplementary service. The terms “stage two“ and “stage
27、three“ are also defined in CCITT Recommendation 1.130 ill. Where the text indicates the status of a requirement (.e. as strict command or prohibition, as authorisation leaving freedom, or as a capability or possibility), this shall be reflected in the text of the relevant stage two and stage three s
28、tandards. Furthermore, conformance to this standard is met by conforming to the stage three standard with the field of application appropriate to the equipment being implemented. Therefore, no method of testing is provided for this standard. 2 Normative references This standard incorporates, by date
29、d or undated reference, provisions from other publications. These normative references are cited at the appropriate places in the text and the publications are listed hereafter. For dated references, subsequent amendments to or revisions of any of these publications apply to this standard only when
30、incorporated in it by amendment or revision. For undated references the latest edition of the publication referred to applies. l I CCITT Recommendation 1.1 30 (1 9881: “Method for the characterisation of the telecommunication services supported by an ISDN and network capabilities of an ISDN“. 121 CC
31、ITT Recommendation 1.1 12 (1 988): “Vocabulary of terms for ISDNs“. i31 41 CCITT Recommendation 1.2 1 O (1 988): “Principles of telecommunication services supported by an ISDN and the means to describe them“. CCITT Recommendation Q.9 (1 9881: “Vocabulary of switching and signalling terms“. DIN1 DIN
32、ETS 300LBb 74 = 2794442 03b021 317 Page 8 ETS 300 186:1993 3 Definitions For the purpose of this standard, the following definitions apply: Integrated Services Digital Network (ISDN): see CCITT Recommendation 1.1 12 121, 0 2.3, definition 308. Service; telecommunications service: see CCIlT Recommend
33、ation 1.1 12 21, 2.2, definition 201. Supplementary service: see CCITT Recommendation 1.21 O 131, 2.4. Served user: the user to whom the 3PTY supplementary service is provided and who invokes the 3PTY supplementary service. Remote party: a user involved in a call, other than the served user. NOTE: W
34、hilst two calls are connected in a three-way conversation, there are two remote parties involved. Basic access: see CCITT Recommendation 0.9 41, 1, definition 1551. Primary rate access: see CCITT Recommendation 0.9 41, 0 1, definition 1552. Three-way conversation: communication between all three use
35、rs, .e. the served user and both remote parties. Private communication: communication between the served user and one remote party. This excludes communication with the other remote party. 4 Symbols and abbreviations 3 PTY Three-Party ISDN Integrated Services Digital Network 5 Description The 3PTY s
36、upplementary service shall be available to users who are connected to the network via a basic access or a primary rate access. The 3PTY supplementary service enables a user to establish, participate in and control, a three-way conversation. The 3PTY supplementary service can be invoked by the served
37、 user who is involved in at least two calls (one active call and at least one held call), each of which may be an incoming or outgoing call. The connections shall be established on each of the two calls prior to the invocation of the 3PTY supplementary service. NOTE: Due to the capabilities of equip
38、ment used in some networks to support the 3PTY supplementary service, users may have the in-band communication limited, e.g. to 3,l kHz speech encoding instead of 7 kHz speech encoding. DINL DIN ETS OOLB 94 = 2794442 038022 253 m Page 9 ETS 300 186:1993 6 Procedures 6.1 Provision and withdrawal The
39、3PTY supplementary service shall be provided by prior arrangement with the service provider. The 3PTY supplementary service shall be withdrawn by the service provider upon request of the subscriber or for service provider reasons. 6.2 Normal procedures 6.2.1 Activation, deactivation and registration
40、 Not applicable. 6.2.2 Erasure Not applicable. 6.2.3 Invocation and operation 6.2.3.1 Beginning the 3PTY supplementary service The served user who has at least two calls (an active call and at least one held call) can request the invocation of the 3PTY supplementary service in order to join together
41、 the active call and the held call into a three-way conversation. The connection shall be established on each of the two calls prior to the invocation of the 3PTY supplementary service. Each of the two calls can be either an incoming or an outgoing call. NOTE: Some networks may prevent a user from e
42、stablishing a three-way conversation that would include calls which are not intended for speech communication. However, it is still the responsibility of the served user to ensure that the two calls are compatible. 6.2.3.2 Managing the three-way conversation During the three-way conversation, the se
43、rved user can: a) explicitly disconnect one of the remote parties. The 3PTY supplementary service shall be terminated automatically, the remote partys call shall be terminated, and the served user shall stay connected to the remaining remote party; b) terminate the entire three-way conversation. The
44、 3PTY supplementary service shall be terminated automatically and both calls shall be terminated; c) explicitly choose one remote party to have a private communication with that remote party. The 3PTY supplementary service shall be terminated automatically. The served user shall then have two calls:
45、 an active call between the served user and the chosen remote party; and a held call between the served user and the other remote party. After the 3PTY supplementary service has been terminated as a result of this action, the served user can request the invocation of the 3PTY supplementary service a
46、gain in order to connect the remote parties into a three-way conversation. 6.2.3.3 Actions available to the remote parties A remote party can terminate their call. The 3PTY supplementary service shall be terminated automatically, and the served user shall stay connected to the remaining remote party
47、. DIN1 DIN ETS 30018b 94 = 2?94q42 0386023 L7T Page 10 ETS 300 186: 1993 6.2.3.4 Information provided to participants The served user and the remote parties shall be informed of the invocation and termination of the 3PTY supplementary service. When the 3PTY supplementary service is terminated, and a
48、 remote party cannot continue to communicate with the served user 4e.g. see item c) of subclause 6.2.3.21, the remote party shall be informed that communication with the served user has been interrupted. NOTE: During an interim period of time some networks may not support the sending of notification
49、s to the remote parties. 6.2.4 interrogation Not applicable. 6.3 Exceptional procedures 6.3.1 Activation, deactivation and registration Not applicable. 6.3.2 Erasure Not applicable. 6.3.3 invocation and operation If a user attempts to invoke the 3PTY supplementary service and the service provider cannot comply with the request, the service provider shall reject the request and give the user the reason for rejection. Possible reasons for rejection are: - the 3PTY supplementary service is not subscribed to; - resources cannot be allocated; - calls are not
