Terrestrial Trunked Radio (TETRA); Voice plus Data (V+D); Part 12: Supplementary services stage 3; Sub-part 10: Priority Call (PC)

REN/TETRA-03122

Prizemni snopovni radio (TETRA) – Govor in podatki (V+D) – 12. del: Dopolnilne storitve stopnje 3 – 10. poddel: Prednostni klic (PC)

General Information

Status
Published
Publication Date
09-Feb-2004
Current Stage
12 - Completion
Due Date
20-Feb-2004
Completion Date
10-Feb-2004

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EN 300 392-12-10 V1.2.1:2006
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SLOVENSKI STANDARD
SIST EN 300 392-12-10 V1.2.1:2006
01-april-2006
Prizemni snopovni radio (TETRA) – Govor in podatki (V+D) – 12. del: Dopolnilne
storitve stopnje 3 – 10. poddel: Prednostni klic (PC)
Terrestrial Trunked Radio (TETRA); Voice plus Data (V+D); Part 12: Supplementary
services stage 3; Sub-part 10: Priority Call (PC)
Ta slovenski standard je istoveten z: EN 300 392-12-10 Version 1.2.1
ICS:
33.070.10 Prizemni snopovni radio Terrestrial Trunked Radio
(TETRA) (TETRA)
SIST EN 300 392-12-10 V1.2.1:2006 en

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN 300 392-12-10 V1.2.1:2006
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SIST EN 300 392-12-10 V1.2.1:2006
ETSI EN 300 392-12-10 V1.2.1 (2004-02)
European Standard (Telecommunications series)
Terrestrial Trunked Radio (TETRA);
Voice plus Data (V+D);
Part 12: Supplementary services stage 3;
Sub-part 10: Priority Call (PC)
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SIST EN 300 392-12-10 V1.2.1:2006
2 ETSI EN 300 392-12-10 V1.2.1 (2004-02)
Reference
REN/TETRA-03122
Keywords
radio, TETRA
ETSI
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© European Telecommunications Standards Institute 2004.
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ETSI
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SIST EN 300 392-12-10 V1.2.1:2006
3 ETSI EN 300 392-12-10 V1.2.1 (2004-02)
Contents

Intellectual Property Rights................................................................................................................................5

Foreword.............................................................................................................................................................5

1 Scope........................................................................................................................................................7

2 References................................................................................................................................................7

3 Definitions and abbreviations...................................................................................................................8

3.1 Definitions..........................................................................................................................................................8

3.2 Abbreviations.....................................................................................................................................................8

4 SS-PC stage 3 specification......................................................................................................................9

4.1 General...............................................................................................................................................................9

4.2 SS-PC services offered over the TNSS-SAP......................................................................................................9

4.2.1 DEFINE request..........................................................................................................................................10

4.2.2 DEFINE indication.....................................................................................................................................10

4.2.3 ASSIGN indication.....................................................................................................................................11

4.2.4 ASSIGN response.......................................................................................................................................11

4.2.5 INTERROGATE request............................................................................................................................11

4.2.6 INTERROGATE indication........................................................................................................................12

4.3 SS-PC services offered over the TNCC-SAP...................................................................................................12

4.3.1 PRIORITY1 request - SS-PC invocation....................................................................................................12

4.3.2 PRIORITY2 confirm/indication - SS-PC operation ...................................................................................12

4.4 Void..................................................................................................................................................................13

4.5 Parameter descriptions.....................................................................................................................................13

5 SS-PC protocol description ....................................................................................................................14

5.1 General.............................................................................................................................................................14

5.2 SS-PC protocol states .......................................................................................................................................14

5.2.1 Protocol states of FE1 .................................................................................................................................15

5.2.2 Protocol states of CCA to which FE1 is collocated ....................................................................................15

5.2.2.1 State IDLE.............................................................................................................................................15

5.2.2.2 MO_CALL_SETUP..............................................................................................................................15

5.2.3 Protocol states of FE21...............................................................................................................................15

5.2.3.1 State IDLE.............................................................................................................................................15

5.2.4 Protocol states of CC to which FE21 is collocated.....................................................................................16

5.2.4.1 State ANY-STATE...............................................................................................................................16

5.2.4.2 State SETUP-STARTED......................................................................................................................16

5.2.5 Protocol states of FE3 .................................................................................................................................16

5.2.6 Protocol states of visited SwMI FE25.........................................................................................................16

5.2.7 Protocol states of CC to which FE25 is collocated.....................................................................................17

5.2.7.1 State ANY-STATE...............................................................................................................................17

5.2.7.2 State SETUP-STARTED......................................................................................................................17

5.2.8 Protocol states of CCA to which FE5 is collocated ....................................................................................17

5.2.8.1 ANY STATE.........................................................................................................................................17

5.3 SS-PC Signalling Procedures...........................................................................................................................17

5.3.1 Procedures for FE1 .....................................................................................................................................17

5.3.2 Procedures for FE21 ...................................................................................................................................18

5.3.2.1 Definition in FE21 ................................................................................................................................18

5.3.2.2 Distribution in FE21..............................................................................................................................18

5.3.2.3 Interrogation in FE21 ............................................................................................................................18

5.3.3 Procedures for CC to which FE21 is collocated .........................................................................................19

5.3.3.1 Verification of priority in CC to which FE21 is collocated ..................................................................19

5.3.4 Procedures for FE3 .....................................................................................................................................19

5.3.4.1 Verification in FE3................................................................................................................................19

5.3.5 Procedures for visited SwMI FE25.............................................................................................................20

5.4 PDU Descriptions.............................................................................................................................................20

5.4.1 ASSIGN PDU.............................................................................................................................................20

ETSI
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SIST EN 300 392-12-10 V1.2.1:2006
4 ETSI EN 300 392-12-10 V1.2.1 (2004-02)

5.4.2 ASSIGN ACK PDU....................................................................................................................................21

5.4.3 DEFINE......................................................................................................................................................21

5.4.4 DEFINE-ACK............................................................................................................................................22

5.4.5 INTERROGATE........................................................................................................................................22

5.4.6 INTERROGATE-ACK...............................................................................................................................23

5.4.7 Priority 1 and Priority 2 ..............................................................................................................................23

5.4.7.1 D-CONNECT PDU...............................................................................................................................23

5.4.7.2 D-SETUP..............................................................................................................................................23

5.4.7.3 U-SETUP..............................................................................................................................................23

5.4.8 Void............................................................................................................................................................23

5.5 Information element coding .............................................................................................................................23

5.5.1 Basic Service..............................................................................................................................................24

5.5.2 Call priority.................................................................................................................................................24

5.5.3 High priority value......................................................................................................................................24

5.5.4 Low priority value ......................................................................................................................................25

5.5.5 Number of SS-PC definitions .....................................................................................................................25

5.5.6 Range type..................................................................................................................................................25

5.5.7 Result for definition....................................................................................................................................25

5.5.8 Result for interrogation...............................................................................................................................26

5.5.9 SS-PC assignment.......................................................................................................................................26

5.5.10 SS-PC definition.........................................................................................................................................26

5.5.11 SS-PC PDU type.........................................................................................................................................27

5.5.12 Subscriber extension present.......................................................................................................................27

5.5.13 Subscriber identity......................................................................................................................................27

6 SS-PC FE behaviour...............................................................................................................................28

6.1 Behaviour of FE1 (SS entity of user A) ...........................................................................................................29

6.1.1 Service interaction for FE1 .........................................................................................................................29

6.1.2 Process description for FE1 ........................................................................................................................30

6.2 Behaviour of CCA to which FE1 is collocated ................................................................................................31

6.2.1 Service interaction for CCA to which FE1 is collocated ............................................................................31

6.2.2 Process description for CCA to which FE1 is collocated ...........................................................................32

6.3 Behaviour of FE21...........................................................................................................................................33

6.3.1 Service interaction for FE21 .......................................................................................................................33

6.3.2 Process description for FE21 ......................................................................................................................33

6.4 Behaviour of CC to which FE21 is collocated .................................................................................................36

6.4.1 Service interaction for CC to which FE21 is collocated .............................................................................36

6.4.2 Process description for CC to which FE21 is collocated ............................................................................37

6.5 Behaviour of FE3 (SS entity of authorized user)..............................................................................................38

6.5.1 Service interaction for FE3 .........................................................................................................................38

6.5.2 Process description for FE3 ........................................................................................................................39

6.6 Behaviour of visited SwMI FE25.....................................................................................................................40

6.6.1 Service interaction for FE25 .......................................................................................................................40

6.6.2 Process description for visited SwMI FE25................................................................................................41

6.7 Behaviour of CCA to which FE5 is collocated ................................................................................................42

6.7.1 Service interaction for CCA to which FE5 is collocated ............................................................................42

6.7.2 Process description for CCA to which FE5 is collocated ...........................................................................43

6.8 Inter-working considerations............................................................................................................................43

Annex A (informative): Mapping of SS-PC priorities received from the user application to

priorities in basic service PDUs (for MS/LS) ......................................................44

A.1 Mapping of SS-PC priorities for circuit mode speech and data .............................................................44

Annex B (informative): Change Requests ....................................................................................................45

History ..............................................................................................................................................................46

ETSI
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SIST EN 300 392-12-10 V1.2.1:2006
5 ETSI EN 300 392-12-10 V1.2.1 (2004-02)
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 (Telecommunications series) has been produced by ETSI Project Terrestrial Trunked Radio

(TETRA).

The present document is part 12 sub-part 10 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)";
ETSI
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SIST EN 300 392-12-10 V1.2.1:2006
6 ETSI EN 300 392-12-10 V1.2.1 (2004-02)
ETS 300 392-12-13: "Call Completion to Busy Subscriber (CCBS)";
EN 300 392-12-14: "Late Entry (LE)";
ETS 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";
TS 100 392-17: "TETRA V+D and DMO Release 1.1 specifications".
National transposition dates
Date of adoption of this EN: 6 February 2004
Date of latest announcement of this EN (doa): 31 May 2004
Date of latest publication of new National Standard
or endorsement of this EN (dop/e): 30 November 2004
Date of withdrawal of any conflicting National Standard (dow): 30 November 2004
ETSI
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SIST EN 300 392-12-10 V1.2.1:2006
7 ETSI EN 300 392-12-10 V1.2.1 (2004-02)
1 Scope

The present document defines the stage 3 specifications of the Supplementary Service Priority Call (SS-PC) for the

Terrestrial Trunked RAdio (TETRA).

The SS-PC enables a user to have preferential access to the network resources in the TETRA system in times of

congestion. The SS-PC applies for the basic services: circuit mode calls (speech or data). The SS-PC specifies the

definition, activation, deactivation and interrogation for the usage of low and high call priorities in the TETRA system.

The operations are defined for the Switching and Management Infrastructure (SwMI), for the Mobile Station (MS) and

for the Line Station (LS). SS-PC can be defined to subscribers of one TETRA system, but the subscribers can be located

in several TETRA systems and the information flows can be delivered over the Inter System Interface (ISI). SS-PC can

also be invoked for basic services within one TETRA system or for basic services that extend over ISI to several

TETRA systems.
The pre-emptive priorities are outside of the scope of the present document.

Man-Machine Interface (MMI) and Charging principles are outside the scope of the present document.

Supplementary Service stage 3 specification is preceded by the stage 1 and the stage 2 specifications of the service.

Stage 1 describes the functional capabilities from the user's point of view. Stage 2 defines the functional behaviour in

terms of Functional Entities (FEs) and information flows. Stage 3 gives a precise description of the Supplementary

Service from the implementation point of view. It defines the protocol for the service and the encoding rules for the

information flows. It defines the processes for the functional entities and their behaviour. The described protocols and

behaviour apply to the SwMI, for the MS and for the LS and can be applied over the ISI between TETRA systems.

Aspects relating to all supplementary services are detailed in EN 300 392-9 [2].
2 References

The following documents contain provisions which, through reference in this text, constitute provisions of the present

document.

• References are either specific (identified by date of publication and/or edition number or version number) or

non-specific.
• For a specific reference, subsequent revisions do not apply.
• For a non-specific reference, the latest version applies.

Referenced documents which are not found to be publicly available in the expected location might be found at

http://docbox.etsi.org/Reference.

[1] ETSI EN 300 392-2: "Terrestrial Trunked Radio (TETRA); Voice plus Data (V+D); Part 2: Air

Interface (AI)".

[2] ETSI EN 300 392-9: "Terrestrial Trunked Radio (TETRA); Voice plus Data (V+D);

Part 9: General requirements for supplementary services".

[3] ETSI EN 300 392-1: "Terrestrial Trunked Radio (TETRA); Voice plus Data (V+D);

Part 1: General network design".
[4] ITU-T Recommendation Z.100: "Specification and Description Language (SDL)".

[5] ISO/IEC 11574 (2000): "Information technology - Telecommunications and information exchange

between systems - Private Integrated Services Network - Circuit-mode 64 kbit/s bearer services -

Service description, functional capabilities and information flows".

[6] ETSI EN 300 392-3-1: "Terrestrial Trunked Radio (TETRA); Voice plus Data (V+D);

Part 3: Interworking at the Inter-System Interface (ISI); Sub-part 1: General design".

ETSI
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SIST EN 300 392-12-10 V1.2.1:2006
8 ETSI EN 300 392-12-10 V1.2.1 (2004-02)
3 Definitions and abbreviations
3.1 Definitions

For the purposes of the present document, the following terms and definitions apply:

authorized user: user who is authorized to define, activate, deactivate and interrogate the SS-PC

Functional Entity (FE): specifies the functional characteristics of the SS sub-entity within an MS, a LS or a SwMI

related to an SS-PC action, e.g. management or operational functions of SS-PC

home system: TETRA system to which the subscriber identity is permanently defined

management functions: management functions for SS-PC are definition, activation, deactivation and interrogation

priority level: pre-agreed value allocated to each mobile Individual TETRA Subscriber Identity (ITSI) or Group

TETRA Subscriber Identity (GTSI) on a per call basis

NOTE: It is used to determine priority access to network resources in the event of network congestion.

Switching and Management Infrastructure (SwMI): all of the TETRA equipment for a Voice plus Data (V+D)

network except for subscriber terminals

NOTE: The SwMI enables subscriber terminals to communicate with each other via the SwMI.

system 1: TETRA system to which SS-PC is defined, activated, deactivated and interrogated and in which SS-PC can

be invoked and operated

system 2: TETRA system through which SS-PC definition, activation, deactivation and interrogation can be delivered.

SS-PC can also be invoked and operated in system 2
user A: calling party which invokes SS-PC
user B: called party in a call in which SS-PC is operated
3.2 Abbreviations
For the purposes of the present document, the following abbreviations apply:
CC basic service Call Control functional entity
CCA basic service Call Control functional entity Agent
NOTE: CC and CCA are applied as defined in ISO/IEC 11574 [5].
GTSI Group TETRA Subscriber Identity
ITSI Individual TETRA Subscriber Identity
LS Line Station
MS Mobile Station
SDL Specification and Description Language
SS Supplementary Service

NOTE: The abbreviation SS is only used when referring to a specific supplementary service.

SS-PC Priority Call
SwMI Switching and Management Infrastructure
TETRA Terrestrial Trunked Radio
ETSI
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SIST EN 300 392-12-10 V1.2.1:2006
9 ETSI EN 300 392-12-10 V1.2.1 (2004-02)
4 SS-PC stage 3 specification
4.1 General

This clause describes the SS-PC services offered by Supplementary Service (SS) and call control sub-entities of CMCE

of the TETRA voice plus data layer 3 service boundary in the MS/LS. The SS-PC services shall be offered at the

Supplementary Services service access point (TNSS-SAP), the Call Control services Service Access Point

(TNCC-SAP). The SS-PC services described in this clause shall be applicable for the MS and the LS.

NOTE: The SS-PC services within the SwMI are outside the scope of the present document.

The SS-PC services specified in the present document shall complement the Supplementary services and Call control

services specified in EN 300 392-2 [1] clause 12 and 11 respectively and the Supplementary Services general design

standard EN 300 392-9
...

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