SIST EN 300 392-12-21 V1.4.1:2011

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Prizemni snopovni radio (TETRA) - Govor in podatki (V+D) - 12. del: Dopolnilne storitve stopnje 3 - 21. poddel: Poslušanje okolice (AL)Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 12: Supplementary services stage 3 - Sub-part 21: Ambience Listening (AL)33.070.10Prizemni snopovni radio (TETRA)Terrestrial Trunked Radio (TETRA)ICS:Ta slovenski standard je istoveten z:EN 300 392-12-21 Version 1.4.1SIST EN 300 392-12-21 V1.4.1:2011en01-julij-2011SIST EN 300 392-12-21 V1.4.1:2011SLOVENSKI
STANDARD



SIST EN 300 392-12-21 V1.4.1:2011



ETSI EN 300 392-12-21 V1.4.1 (2011-04)European Standard Terrestrial Trunked Radio (TETRA);Voice plus Data (V+D);Part 12: Supplementary services stage 3;Sub-part 21: Ambience Listening (AL) SIST EN 300 392-12-21 V1.4.1:2011



ETSI ETSI EN 300 392-12-21 V1.4.1 (2011-04)2
Reference REN/TETRA-03211 Keywords supplementary service, TETRA ETSI 650 Route des Lucioles F-06921 Sophia Antipolis Cedex - FRANCE
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ETSI ETSI EN 300 392-12-21 V1.4.1 (2011-04)3 Contents Intellectual Property Rights . 5 Foreword . 5 1 Scope . 7 2 References . 7 2.1 Normative references . 7 2.2 Informative references . 7 3 Definitions and abbreviations . 8 3.1 Definitions . 8 3.2 Abbreviations . 8 4 SS-AL service description . 8 4.1 General . 8 4.2 SS-AL services offered over the TNSS-SAP . 9 4.2.1 SS-AL service primitives to served user . 9 4.2.2 SS-AL service primitives to affected user . 9 4.2.3 SS-AL service primitive to second listening party . 9 4.3 Service primitive descriptions . 10 4.3.1 INFORMATION indication. 10 4.3.2 INTERROGATE request . 10 4.3.3 INTERROGATE indication. 10 4.3.4 INVOKE1 request . 11 4.3.5 INVOKE2 request . 11 4.3.6 INVOKE indication . 11 4.3.7 INVOKE ACK request . 11 4.3.8 INVOKE1 indication . 12 4.3.9 INVOKE2 indication . 12 4.3.10 INVOKE3 request . 12 4.3.11 INVOKE3 indication . 13 4.3.12 STOP LISTENING request . 13 4.4 Parameter description . 13 5 Signalling protocol to support SS-AL . 15 5.1 General . 15 5.2 SS-AL general operational requirements . 15 5.2.1 Requirements on the affected user MS . 15 5.2.2 Requirements on the affected user current SwMI . 15 5.2.3 Requirements on the SS-AL affected user home SwMI . 15 5.2.4 Requirements on the served user MS/LS . 15 5.2.5 Requirements on the served user SwMI . 15 5.2.6 Requirements on the second listening party MS/LS . 16 5.2.7 Requirements on the SS-AL second listening party SwMI . 16 5.3 SS-AL coding requirements . 16 5.3.1 General on SS-AL PDUs . 16 5.3.2 AL-TX DEMAND PDU . 16 5.3.3 AL-TX GRANTED PDU . 17 5.3.4 AL-TX INFORM PDU . 17 5.3.5 AL-TX INTERRUPT PDU . 17 5.3.6 AL-TX REJECT PDU . 18 5.3.7 INFORMATION PDU . 18 5.3.8 INTERROGATE PDU . 19 5.3.9 INTERROGATE ACK PDU . 19 5.3.10 INVOKE1 PDU . 20 5.3.11 INVOKE2 PDU . 20 5.3.12 INVOKE PDU . 21 5.3.13 INVOKE ACK PDU . 21 5.3.14 INVOKE1 ACK PDU . 21 5.3.15 INVOKE2 ACK PDU . 22 SIST EN 300 392-12-21 V1.4.1:2011



ETSI ETSI EN 300 392-12-21 V1.4.1 (2011-04)4 5.4 Information element coding . 22 5.4.1 AL PDU type . 22 5.4.2 Affected party extension . 23 5.4.3 Affected party short number . 23 5.4.4 Affected party SSI . 23 5.4.5 Affected party type identifier . 23 5.4.6 Encryption control . 23 5.4.7 Interrogated party extension . 23 5.4.8 Interrogated party short number . 24 5.4.9 Interrogated party SSI . 24 5.4.10 Interrogated party type identifier . 24 5.4.11 Listening party extension . 24 5.4.12 Listening party SSI . 24 5.4.13 Listening party type identifier . 24 5.4.14 Range type of interrogated users . 24 5.4.15 Result of interrogation . 24 5.4.16 Result of invocation . 25 5.4.17 Result of invocation by user . 25 5.4.18 Second listening party extension . 25 5.4.19 Second listening party short number . 26 5.4.20 Second listening party SSI . 26 5.4.21 Second listening party type identifier . 26 5.4.22 Transmission grant . 26 5.5 SS-AL state definitions . 26 5.5.1 Protocol states of served user FE1 . 26 5.5.2 Protocol states of SwMI FE2 . 26 5.5.3 Protocol states of affected user FE5 . 26 5.5.4 Protocol states of FE2 in visited SwMI . 26 5.5.5 Protocol states of second listening party FE6 . 26 5.6 SS-AL Procedures . 26 5.6.1 Procedures for served user FE1 . 26 5.6.1.1 Interrogation . 26 5.6.1.2 Invocation. 27 5.6.1.3 Addition of second listening party . 27 5.6.1.4 Invocation during on-going call . 27 5.6.2 Procedures for SwMI FE2 . 27 5.6.2.1 Interrogation . 27 5.6.2.2 Invocation. 27 5.6.2.3 Addition of second listening party . 28 5.6.2.4 Invocation during on-going call . 28 5.6.3 Procedures for FE2 in visited SwMI . 28 5.6.4 Procedures for affected user FE5 . 29 5.6.4.1 Invocation. 29 5.6.4.2 Invocation during on-going call . 29 5.6.4.3 Affected user request for invocation . 29 5.6.5 Procedures for second listening party FE6 . 29 5.6.5.1 Invocation. 29 5.6.5.2 Invocation during on-going call . 29 5.7 Interactions with other supplementary services . 30 5.7.1 General . 30 5.7.2 Call Forwarding . 30 5.7.3 Ambience Listening . 30 Annex A (informative): SS-AL Call request . 31 Annex B (informative): INTERROGATE ACK PDU encoding . 32 Annex C (informative): INVOKE1 and INVOKE1 ACK PDUs encoding . 33 Annex D (informative): Change requests . 34 History . 35
SIST EN 300 392-12-21 V1.4.1:2011



ETSI ETSI EN 300 392-12-21 V1.4.1 (2011-04)5 Intellectual Property Rights IPRs essential or potentially essential to the present document may have been declared to ETSI. The information pertaining to these essential IPRs, if any, is publicly available for ETSI members and non-members, and can be found in ETSI SR 000 314: "Intellectual Property Rights (IPRs); Essential, or potentially Essential, IPRs notified to ETSI in respect of ETSI standards", which is available from the ETSI Secretariat. Latest updates are available on the ETSI Web server (http://webapp.etsi.org/IPR/home.asp). Pursuant to the ETSI IPR Policy, no investigation, including IPR searches, has been carried out by ETSI. No guarantee can be given as to the existence of other IPRs not referenced in ETSI 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 European Standard (EN) has been produced by ETSI Technical Committee Terrestrial Trunked Radio (TETRA). The present document is part 12, sub-part 21 of a multi-part deliverable covering Voice plus Data (V+D), as identified below: EN 300 392-1: "General network design"; EN 300 392-2: "Air Interface (AI)"; EN 300 392-3: "Interworking at the Inter-System Interface (ISI)"; ETS 300 392-4: "Gateways basic operation"; EN 300 392-5: "Peripheral Equipment Interface (PEI)"; EN 300 392-7: "Security"; EN 300 392-9: "General requirements for supplementary services"; EN 300 392-10: "Supplementary services stage 1"; EN 300 392-11: "Supplementary services stage 2"; EN 300 392-12: "Supplementary services stage 3"; EN 300 392-12-1: "Call Identification (CI)"; ETS 300 392-12-2: "Call Report (CR)"; EN 300 392-12-3: "Talking Party Identification (TPI)"; EN 300 392-12-4: "Call Forwarding (CF)"; ETS 300 392-12-5: "List Search Call (LSC)"; EN 300 392-12-6: "Call Authorized by Dispatcher (CAD)"; ETS 300 392-12-7: "Short Number Addressing (SNA)"; EN 300 392-12-8: "Area Selection (AS)"; ETS 300 392-12-9: "Access Priority (AP)"; EN 300 392-12-10: "Priority Call (PC)"; ETS 300 392-12-11: "Call Waiting (CW)"; EN 300 392-12-12: "Call Hold (HOLD)"; SIST EN 300 392-12-21 V1.4.1:2011



ETSI ETSI EN 300 392-12-21 V1.4.1 (2011-04)6 ETS 300 392-12-13: "Call Completion to Busy Subscriber (CCBS)"; EN 300 392-12-14: "Late Entry (LE)"; EN 300 392-12-16: "Pre-emptive Priority Call (PPC)"; EN 300 392-12-17: "Include Call (IC)"; EN 300 392-12-18: "Barring of Outgoing Calls (BOC)"; EN 300 392-12-19: "Barring of Incoming Calls (BIC)"; ETS 300 392-12-20: "Discreet Listening (DL)"; EN 300 392-12-21: "Ambience Listening (AL)"; EN 300 392-12-22: "Dynamic Group Number Assignment (DGNA)"; ETS 300 392-12-23: "Call Completion on No Reply (CCNR)"; ETS 300 392-12-24: "Call Retention (CRT)"; ETS 300 392-13: "SDL model of the Air Interface (AI)"; ETS 300 392-14: "Protocol Implementation Conformance Statement (PICS) proforma specification"; TS 100 392-15: "TETRA frequency bands, duplex spacings and channel numbering"; TS 100 392-16: "Network Performance Metrics"; TR 100 392-17: "TETRA V+D and DMO specifications"; TS 100 392-18: "Air interface optimized applications". NOTE: Part 3, sub-parts 6 and 7 (Speech format implementation), part 4, sub-part 3 (Data networks gateway), part 10, sub-part 15 (Transfer of control), part 13 (SDL) and part 14 (PICS) of this multi-part deliverable are in status "historical" and are not maintained.
National transposition dates Date of adoption of this EN: 7 April 2011 Date of latest announcement of this EN (doa): 31 July 2011 Date of latest publication of new National Standard or endorsement of this EN (dop/e):
31 January 2012 Date of withdrawal of any conflicting National Standard (dow): 31 January 2012
SIST EN 300 392-12-21 V1.4.1:2011



ETSI ETSI EN 300 392-12-21 V1.4.1 (2011-04)7 1 Scope The present document defines the stage 3 specification of the Supplementary Service Ambience Listening (SS-AL) for the Terrestrial Trunked Radio (TETRA). Stage 3 defines the signalling system protocols and switching functions needed to implement the service described in stage 1 and stage 2. Charging principles and Man-Machine Interface (MMI) are outside the scope of the present document. The SS-AL enables the served user to place a TETRA Mobile Station (MS) into a special type of voice call whereby the called MS transmits without any action from, or indication to, the affected user. The SS-AL call can include a second listening party. The affected user can ask other user to set an SS-AL call on him. 2 References References are either specific (identified by date of publication and/or edition number or version number) or non-specific. For specific references, only the cited version applies. For non-specific references, the latest version of the reference document (including any amendments) applies. Referenced documents which are not found to be publicly available in the expected location might be found at http://docbox.etsi.org/Reference. NOTE: While any hyperlinks included in this clause were valid at the time of publication ETSI cannot guarantee their long term validity. 2.1 Normative references The following referenced documents are necessary for the application of the present document. [1] ETSI EN 300 392-2: "Terrestrial Trunked Radio (TETRA); Voice plus Data (V+D);
Part 2: Air Interface (AI)". [2] ETSI EN 300 392-1: "Terrestrial Trunked Radio (TETRA); Voice plus Data (V+D);
Part 1: General network design". [3] ETSI EN 300 392-9: "Terrestrial Trunked Radio (TETRA); Voice plus Data (V+D);
Part 9: General requirements for supplementary services". [4] ETSI EN 300 392-3-2: "Terrestrial Trunked Radio (TETRA); Voice plus Data (V+D);
Part 3: Interworking at the Inter-System Interface (ISI); Sub-part 2: Additional Network Feature Individual Call (ANF-ISIIC)". [5] ETSI EN 300 392-3-3: "Terrestrial Trunked Radio (TETRA); Voice plus Data (V+D);
Part 3: Interworking at the Inter-System Interface (ISI); Sub-part 3: Additional Network Feature Group Call (ANF-ISIGC)". [6] ETSI EN 300 392-10-21: "Terrestrial Trunked Radio (TETRA); Voice plus Data (V+D);
Part 10: Supplementary services stage 1; Sub-part 21: Ambience Listening (AL)". 2.2 Informative references The following referenced documents are not necessary for the application of the present document but they assist the user with regard to a particular subject area. [i.1] ETSI EN 300 392-11-21: "Terrestrial Trunked Radio (TETRA); Voice plus Data (V+D);
Part 11: Supplementary services stage 2; Sub-part 21: Ambience Listening (AL)". SIST EN 300 392-12-21 V1.4.1:2011



ETSI ETSI EN 300 392-12-21 V1.4.1 (2011-04)8 3 Definitions and abbreviations 3.1 Definitions For the purposes of the present document, the following terms and definitions apply: affected user: user to whom the served user is listening Ambience Listening (AL) call: call in which ambience listening functionality is requested NOTE: During an AL call, the affected user's MS transmits without any action from, or indication to, the affected user. second listening party: TETRA individual or group which additionally listens into the AL call served user: user who invokes this supplementary service and listens to the affected user 3.2 Abbreviations For the purposes of the present document, the following abbreviations apply: AL Ambience Listening CC Call Control CFB Call Forwarding on Busy CLIR Calling Line Identification Restriction CMCE Circuit Mode Control Entity FE Functional Entity GSSI Group Short Subscriber Identity ISI Inter-System Interface ISSI Individual Short Subscriber Identity ITSI Individual TETRA Subscriber Identity LS Line Station MMI Man-Machine Interface MS Mobile Station PDU Protocol Data Unit SAP Service Access Point SDL (Functional) Specification and Description Language SNA Short Number Address SS Supplementary Service NOTE: The abbreviation SS is only used when referring to a specific supplementary service. SSI Short Subscriber Identity SwMI Switching and Management Infrastructure TNSS-SAP TETRA Network layer Supplementary Service - Service Access Point TSI TETRA Subscriber Identity 4 SS-AL service description 4.1 General The SS-AL enables the served user to place a TETRA Mobile Station (MS) into a special type of voice call teleservice whereby the called MS transmits without any action from, or indication to, the affected user. The affected user shall be an individual user. The SS-AL call may include a second listening party. The second listening party may be either individual user or a group. SIST EN 300 392-12-21 V1.4.1:2011



ETSI ETSI EN 300 392-12-21 V1.4.1 (2011-04)9 Clauses 4.2 and 4.3 describe SS-AL specific services offered by the Circuit Mode Control Entity (CMCE) at the Supplementary Services service access point (TNSS-SAP) of the TETRA voice plus data layer 3 service boundary. The SS-AL service access point is used in conformance testing as a normative boundary in TETRA Mobile Stations (MSs). NOTE 1: As the present document only deals with the SS-AL all the service primitives has been shown without a TNSS-AL-prefix e.g. the TNSS-AL-INVOKE request is shorten into an INVOKE request. The services offered to users of SS-AL are defined as service primitives containing service parameters. The service primitives are defined in clauses 4.2 and 4.3 and the service parameters are defined in clause 4.4. In addition to the defined service primitives a SwMI may respond by a service not supported or a process not supported primitives as appr
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