SIST EN 300 392-3-13 V1.2.1:2020

ETSI EN 300 392-3-13 V1.2.1 (2020-04)






EUROPEAN STANDARD
Terrestrial Trunked Radio (TETRA);
Voice plus Data (V+D);
Part 3: Interworking at the Inter-System Interface (ISI);
Sub-part 13: Transport layer independent
Additional Network Feature Group Call (ANF-ISIGC)

---------------------- Page: 1 ----------------------
2 ETSI EN 300 392-3-13 V1.2.1 (2020-04)



Reference
REN/TCCE-03261
Keywords
management, mobility, TETRA

ETSI
650 Route des Lucioles
F-06921 Sophia Antipolis Cedex - FRANCE

Tel.: +33 4 92 94 42 00  Fax: +33 4 93 65 47 16

Siret N° 348 623 562 00017 - NAF 742 C
Association à but non lucratif enregistrée à la
Sous-Préfecture de Grasse (06) N° 7803/88

Important notice
The present document can be downloaded from:
http://www.etsi.org/standards-search
The present document may be made available in electronic versions and/or in print. The content of any electronic and/or
print versions of the present document shall not be modified without the prior written authorization of ETSI. In case of any
existing or perceived difference in contents between such versions and/or in print, the prevailing version of an ETSI
deliverable is the one made publicly available in PDF format at www.etsi.org/deliver.
Users of the present document should be aware that the document may be subject to revision or change of status.
Information on the current status of this and other ETSI documents is available at
https://portal.etsi.org/TB/ETSIDeliverableStatus.aspx
If you find errors in the present document, please send your comment to one of the following services:
https://portal.etsi.org/People/CommiteeSupportStaff.aspx
Copyright Notification
No part may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying
and microfilm except as authorized by written permission of ETSI.
The content of the PDF version shall not be modified without the written authorization of ETSI.
The copyright and the foregoing restriction extend to reproduction in all media.

© ETSI 2020.
All rights reserved.

DECT™, PLUGTESTS™, UMTS™ and the ETSI logo are trademarks of ETSI registered for the benefit of its Members.

3GPP™ and LTE™ are trademarks of ETSI registered for the benefit of its Members and
of the 3GPP Organizational Partners.
oneM2M™ logo is a trademark of ETSI registered for the benefit of its Members and
of the oneM2M Partners.
®
GSM and the GSM logo are trademarks registered and owned by the GSM Association.
ETSI

---------------------- Page: 2 ----------------------
3 ETSI EN 300 392-3-13 V1.2.1 (2020-04)
Contents
Intellectual Property Rights . 9
Foreword . 9
Modal verbs terminology . 11
1 Scope . 12
2 References . 13
2.1 Normative references . 13
2.2 Informative references . 14
3 Definition of terms, symbols and abbreviations . 14
3.1 Terms . 14
3.2 Symbols . 15
3.3 Abbreviations . 15
4 ANF-ISIGC stage 1 specification . 17
4.1 Description . 17
4.1.1 General description . 17
4.1.2 Qualifications on applicability to TETRA basic services . 17
4.2 Procedures . 18
4.2.1 Provision/withdrawal . 18
4.2.2 Normal procedures . 18
4.2.2.1 Activation/deactivation/registration/interrogation . 18
4.2.2.2 Invocation and operation . 18
4.2.2.3 ANF-ISIGC - the service provider . 18
4.2.2.3.1 General . 18
4.2.2.3.2 Establishing the group call at the originating and controlling TETRA SwMI . 19
4.2.2.3.3 Establishing the group call at a participating TETRA SwMI . 21
4.2.2.3.4 Delaying the group call . 22
4.2.2.3.5 Control of call time-out timers . 22
4.2.2.3.6 Acknowledged group call procedures . 23
4.2.2.3.7 Colliding call setup signalling . 23
4.2.2.3.8 Joining of calls . 24
4.2.2.3.9 Maintenance of the group call . 24
4.2.2.3.10 Termination of the group call . 26
4.2.3 Exceptional procedures . 27
4.2.3.1 Activation/deactivation/registration/interrogation . 27
4.2.3.2 Invocation and operation . 27
4.3 Interaction with TETRA supplementary services and other TETRA ANFs . 27
4.3.1 General . 27
4.3.2 Calling Line Identification Presentation (SS-CLIP) . 27
4.3.3 Connected Line Identification Presentation (SS-COLP) . 28
4.3.4 Calling/Connected Line Identification Restriction (SS-CLIR) . 28
4.3.5 Call Report (SS-CR) . 28
4.3.6 Talking Party Identification (SS-TPI) . 28
4.3.7 Call Forwarding Unconditional (SS-CFU) . 28
4.3.8 Call Forwarding on Busy (SS-CFB) . 28
4.3.9 Call Forwarding on No Reply (SS-CFNRy) . 28
4.3.10 Call Forwarding on Not Reachable (SS-CFNRc) . 28
4.3.11 List Search Call (SS-LSC) . 28
4.3.12 Call Authorized by Dispatcher (SS-CAD) . 28
4.3.13 Short Number Addressing (SS-SNA) . 28
4.3.14 Area Selection (SS-AS) . 28
4.3.15 Access Priority (SS-AP) . 29
4.3.16 Priority Call (SS-PC) . 29
4.3.17 Call Waiting (SS-CW) . 29
4.3.18 Call Hold (SS-HOLD) . 29
4.3.19 Call Completion to Busy Subscriber (SS-CCBS) . 29
ETSI

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4 ETSI EN 300 392-3-13 V1.2.1 (2020-04)
4.3.20 Late Entry (SS-LE) . 29
4.3.21 Pre-emptive Priority Call (SS-PPC) . 29
4.3.22 Include Call (SS-IC) . 29
4.3.23 Barring of Outgoing Calls (SS-BOC) . 29
4.3.24 Barring of Incoming Calls (SS-BIC) . 30
4.3.25 Discreet Listening (SS-DL) . 30
4.3.26 Ambience Listening (SS-AL) . 30
4.3.27 Dynamic Group Number Assignment (SS-DGNA) . 30
4.3.28 Call Completion on No Reply (SS-CCNR) . 30
4.3.29 Call Retention (SS-CRT) . 30
4.3.30 Additional Network Features - Inter-System Interface Individual Call (ANF-ISIIC) . 30
4.3.31 ISI Short Data (ANF-ISISD) . 30
4.3.32 ISI Mobility Management (ANF-ISIMM) . 30
5 ANF-ISIGC stage 2 specification . 31
5.1 Functional model . 31
5.1.1 Functional model description . 31
5.1.2 Description of functional entities . 32
5.1.2.1 ISI group call originating entity, FE1 . 32
5.1.2.2 Originating SwMI CC application functional entity, FE1' . 32
5.1.2.3 ISI group home entity/group call controlling entity, FE2 . 33
5.1.2.4 Group home SwMI/Controlling SwMI CC application functional entity, FE2' . 33
5.1.2.5 ISI group call participating entity, FE3 . 34
5.1.2.6 Participating SwMI CC application functional entity, FE3' . 34
5.2 Information flow . 34
5.2.1 Information flow diagrams . 34
5.2.1.1 General Information about Information Flow Diagrams . 34
5.2.1.2 Successful group call set-up over ISI using ANF-ISIGC . 35
5.2.1.3 Acknowledged group call set-up over ISI using ANF-ISIGC . 43
5.2.1.4 Partial group call set-up over ISI using ANF-ISIGC . 44
5.2.1.5 Delay of group call set-up over ISI using ANF-ISIGC . 47
5.2.1.6 Interaction with an active group call . 50
5.2.1.7 Unsuccessful group call set-up over ISI using ANF-ISIGC. 52
5.2.1.8 Call Maintenance procedures - Request to transmit . 54
5.2.1.9 Call maintenance procedures - Cease transmission . 60
5.2.1.10 Call Maintenance procedures - Use of ISI-TX WAIT and ISI-TX CONTINUE . 64
5.2.1.11 Call Maintenance procedures - Information flow to participating SwMI(s) . 64
5.2.1.12 Call Disconnection procedures - Controlling SwMI disconnects the call . 65
5.2.1.13 Call Disconnection procedures - Participating SwMI disconnects from the call . 65
5.2.1.14 Call Disconnection procedures - Call Owner disconnects the whole call . 67
5.2.2 Definitions of Information Flows . 68
5.2.2.1 General about Information Flows . 68
5.2.2.2 ISI_CONNECT . 68
5.2.2.3 ISI_DISCONNECT. 68
5.2.2.4 ISI_INFO . 69
5.2.2.5 ISI_INTERACT . 70
5.2.2.6 ISI_ORIGINATING SETUP . 70
5.2.2.7 ISI_POLL . 71
5.2.2.8 ISI_REJECT. 72
5.2.2.9 ISI_RELEASE . 72
5.2.2.10 ISI_REROUTE . 73
5.2.2.11 ISI_RESOURCE . 73
5.2.2.12 ISI_SETUP. 73
5.2.2.13 ISI_T X-CE ASED . 74
5.2.2.14 ISI_TX-CONTINUE . 75
5.2.2.15 ISI_T X-DEM AND . 75
5.2.2.16 ISI_TX-GRANTED . 75
5.2.2.17 ISI_TX-INTERRUPT . 76
5.2.2.18 ISI_TX-WAIT . 76
5.3 Functional Entity Actions (FEAs) . 76
5.3.1 Functional Entity Actions of FE1 . 76
5.3.2 Functional Entity Actions of FE1' . 77
ETSI

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5 ETSI EN 300 392-3-13 V1.2.1 (2020-04)
5.3.3 Functional Entity Actions of FE2 . 78
5.3.4 Functional entity actions of FE2' . 81
5.3.5 Functional Entity Action of FE3 . 81
5.3.6 Functional entity actions of FE3' . 83
6 ANF-ISIGC stage 3 specification . 85
6.1 ANF-ISIGC description . 85
6.2 ANF-ISIGC operational requirements. 85
6.3 ANF-ISIGC coding requirements . 85
6.3.1 TETRA ANF-ISIGC PDUs . 85
6.3.1.1 General Information about PDU Descriptions . 85
6.3.1.2 ISI-ORIGINATING SETUP PDU sent by the originating SwMI - used to forward a call set-up
request . 85
6.3.1.3 ISI-SETUP INITIATE PDU sent by the controlling SwMI - used for setting up a group call . 86
6.3.1.4 ISI-INFO PDU . 88
6.3.1.5 ISI-SETUP ACKNOWLEDGE PDU sent by the originating or a participating SwMI - used as a
call set-up response . 89
6.3.1.6 ISI-DELAY PDU sent by the originating or a participating SwMI - used to delay call set-up . 91
6.3.1.7 ISI-CONNECT PDU sent by the controlling SwMI - used for connecting the call . 91
6.3.1.8 ISI-POLL USER PDU sent by the controlling SwMI - used for polling . 92
6.3.1.9 ISI-POLL RESPONSE PDU sent by a participating SwMI - used as a polling response . 92
6.3.1.10 ISI-TX DEMAND PDU sent by a participating SwMI - used to request transmission permission . 93
6.3.1.11 ISI-RESOURCE PDU sent by the controlling SwMI - used to request reservation of resources . 93
6.3.1.12 ISI-RESOURCE RESPONSE PDU sent by a participating SwMI - used as a resource response . 94
6.3.1.13 ISI-TX CEASED PDU sent by a participating SwMI and a controlling SwMI - used to
request/inform cease of transmission . 94
6.3.1.14 ISI-TX GRANTED PDU sent by the controlling SwMI - used to inform grant of transmission . 95
6.3.1.15 TETRA PDU sent by the controlling SwMI - used to inform interruption of transmission . 97
6.3.1.16 ISI-TX CONTINUE PDU sent by a participating SwMI - used to inform of continuation in an
active group call . 97
6.3.1.17 ISI-TX WAIT PDU sent by a participating SwMI - used to inform of withdrawal from an active
group call . 97
6.3.1.18 ISI-REJECT PDU . 97
6.3.1.19 ISI-DISCONNECT PDU sent by the originating SwMI or a participating SwMI . 98
6.3.1.20 ISI-RELEASE PDU sent by the controlling SwMI . 98
6.3.1.21 ISI-REROUTE PDU sent by the group home SwMI or the linking controlling SwMI - used to re-
route the call . 99
6.3.2 TETRA PDU information element coding . 99
6.3.2.1 General about the TETRA PDU Information Encoding . 99
6.3.2.2 Additional information to existing information element at the ISI . 99
6.3.2.2.1 Call status . 99
6.3.2.2.2 Call time-out, set-up phase . 100
6.3.2.2.3 Call time-out . 100
6.3.2.2.4 Disconnect cause information element . 100
6.3.2.2.5 Group basic migration profile . 101
6.3.2.2.6 PDU type . 102
6.3.2.2.7 SS-migration profile . 102
6.3.2.3 New information elements used at the ISI . 103
6.3.2.3.1 Call amalgamation . 103
6.3.2.3.2 Call diverted to dispatcher . 103
6.3.2.3.3 Call owner request . 103
6.3.2.3.4 Call resource time-out . 103
6.3.2.3.5 Calling group identifier . 104
6.3.2.3.6 Calling party information present . 104
6.3.2.3.7 Connected party SSI and extension . 104
6.3.2.3.8 Controlling/originating/participating SwMI MNI . 104
6.3.2.3.9 Critical connected party/requesting party/transmitting party SSI and extension . 104
6.3.2.3.10 Critical user list. 104
6.3.2.3.11 Disconnect type . 105
6.3.2.3.12 Dispatcher acceptance . 105
6.3.2.3.13 External group member identity . 105
6.3.2.3.14 External subscriber number digits . 105
ETSI

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6 ETSI EN 300 392-3-13 V1.2.1 (2020-04)
6.3.2.3.15 External subscriber number length . 106
6.3.2.3.16 External subscriber number parameters . 106
6.3.2.3.17 Group attachment indicator . 106
6.3.2.3.18 Group call SwMI type . 107
6.3.2.3.19 Group information . 107
6.3.2.3.20 ISI-INFO type . 107
6.3.2.3.21 Linking group type identifier . 107
6.3.2.3.22 Numbering plan iden
...

Draft ETSI EN 300 392-3-13 V1.2.0 (2019-08)






EUROPEAN STANDARD
Terrestrial Trunked Radio (TETRA);
Voice plus Data (V+D);
Part 3: Interworking at the Inter-System Interface (ISI);
Sub-part 13: Transport layer independent
Additional Network Feature Group Call (ANF-ISIGC)

---------------------- Page: 1 ----------------------
2 Draft ETSI EN 300 392-3-13 V1.2.0 (2019-08)



Reference
REN/TCCE-03261
Keywords
management, mobility, TETRA

ETSI
650 Route des Lucioles
F-06921 Sophia Antipolis Cedex - FRANCE

Tel.: +33 4 92 94 42 00  Fax: +33 4 93 65 47 16

Siret N° 348 623 562 00017 - NAF 742 C
Association à but non lucratif enregistrée à la
Sous-Préfecture de Grasse (06) N° 7803/88

Important notice
The present document can be downloaded from:
http://www.etsi.org/standards-search
The present document may be made available in electronic versions and/or in print. The content of any electronic and/or
print versions of the present document shall not be modified without the prior written authorization of ETSI. In case of any
existing or perceived difference in contents between such versions and/or in print, the prevailing version of an ETSI
deliverable is the one made publicly available in PDF format at www.etsi.org/deliver.
Users of the present document should be aware that the document may be subject to revision or change of status.
Information on the current status of this and other ETSI documents is available at
https://portal.etsi.org/TB/ETSIDeliverableStatus.aspx
If you find errors in the present document, please send your comment to one of the following services:
https://portal.etsi.org/People/CommiteeSupportStaff.aspx
Copyright Notification
No part may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying
and microfilm except as authorized by written permission of ETSI.
The content of the PDF version shall not be modified without the written authorization of ETSI.
The copyright and the foregoing restriction extend to reproduction in all media.

© ETSI 2019.
All rights reserved.

DECT™, PLUGTESTS™, UMTS™ and the ETSI logo are trademarks of ETSI registered for the benefit of its Members.

3GPP™ and LTE™ are trademarks of ETSI registered for the benefit of its Members and
of the 3GPP Organizational Partners.
oneM2M™ logo is a trademark of ETSI registered for the benefit of its Members and
of the oneM2M Partners.
®
GSM and the GSM logo are trademarks registered and owned by the GSM Association.
ETSI

---------------------- Page: 2 ----------------------
3 Draft ETSI EN 300 392-3-13 V1.2.0 (2019-08)
Contents
Intellectual Property Rights . 9
Foreword . 9
Modal verbs terminology . 11
1 Scope . 12
2 References . 13
2.1 Normative references . 13
2.2 Informative references . 14
3 Definition of terms, symbols and abbreviations . 14
3.1 Terms . 14
3.2 Symbols . 15
3.3 Abbreviations . 15
4 ANF-ISIGC stage 1 specification . 17
4.1 Description . 17
4.1.1 General description . 17
4.1.2 Qualifications on applicability to TETRA basic services . 17
4.2 Procedures . 18
4.2.1 Provision/withdrawal . 18
4.2.2 Normal procedures . 18
4.2.2.1 Activation/deactivation/registration/interrogation . 18
4.2.2.2 Invocation and operation . 18
4.2.2.3 ANF-ISIGC - the service provider . 18
4.2.2.3.1 General . 18
4.2.2.3.2 Establishing the group call at the originating and controlling TETRA SwMI . 19
4.2.2.3.3 Establishing the group call at a participating TETRA SwMI . 21
4.2.2.3.4 Delaying the group call . 22
4.2.2.3.5 Control of call time-out timers . 22
4.2.2.3.6 Acknowledged group call procedures . 23
4.2.2.3.7 Colliding call setup signalling . 23
4.2.2.3.8 Joining of calls . 24
4.2.2.3.9 Maintenance of the group call . 24
4.2.2.3.10 Termination of the group call . 26
4.2.3 Exceptional procedures . 27
4.2.3.1 Activation/deactivation/registration/interrogation . 27
4.2.3.2 Invocation and operation . 27
4.3 Interaction with TETRA supplementary services and other TETRA ANFs . 27
4.3.1 General . 27
4.3.2 Calling Line Identification Presentation (SS-CLIP) . 27
4.3.3 Connected Line Identification Presentation (SS-COLP) . 28
4.3.4 Calling/Connected Line Identification Restriction (SS-CLIR) . 28
4.3.5 Call Report (SS-CR) . 28
4.3.6 Talking Party Identification (SS-TPI) . 28
4.3.7 Call Forwarding Unconditional (SS-CFU) . 28
4.3.8 Call Forwarding on Busy (SS-CFB) . 28
4.3.9 Call Forwarding on No Reply (SS-CFNRy) . 28
4.3.10 Call Forwarding on Not Reachable (SS-CFNRc) . 28
4.3.11 List Search Call (SS-LSC) . 28
4.3.12 Call Authorized by Dispatcher (SS-CAD) . 28
4.3.13 Short Number Addressing (SS-SNA) . 28
4.3.14 Area Selection (SS-AS) . 28
4.3.15 Access Priority (SS-AP) . 29
4.3.16 Priority Call (SS-PC) . 29
4.3.17 Call Waiting (SS-CW) . 29
4.3.18 Call Hold (SS-HOLD) . 29
4.3.19 Call Completion to Busy Subscriber (SS-CCBS) . 29
ETSI

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4 Draft ETSI EN 300 392-3-13 V1.2.0 (2019-08)
4.3.20 Late Entry (SS-LE) . 29
4.3.21 Pre-emptive Priority Call (SS-PPC) . 29
4.3.22 Include Call (SS-IC) . 29
4.3.23 Barring of Outgoing Calls (SS-BOC) . 29
4.3.24 Barring of Incoming Calls (SS-BIC) . 30
4.3.25 Discreet Listening (SS-DL) . 30
4.3.26 Ambience Listening (SS-AL) . 30
4.3.27 Dynamic Group Number Assignment (SS-DGNA) . 30
4.3.28 Call Completion on No Reply (SS-CCNR) . 30
4.3.29 Call Retention (SS-CRT) . 30
4.3.30 Additional Network Features - Inter-System Interface Individual Call (ANF-ISIIC) . 30
4.3.31 ISI Short Data (ANF-ISISD) . 30
4.3.32 ISI Mobility Management (ANF-ISIMM) . 30
5 ANF-ISIGC stage 2 specification . 31
5.1 Functional model . 31
5.1.1 Functional model description . 31
5.1.2 Description of functional entities . 32
5.1.2.1 ISI group call originating entity, FE1 . 32
5.1.2.2 Originating SwMI CC application functional entity, FE1' . 32
5.1.2.3 ISI group home entity/group call controlling entity, FE2 . 33
5.1.2.4 Group home SwMI/Controlling SwMI CC application functional entity, FE2' . 33
5.1.2.5 ISI group call participating entity, FE3 . 34
5.1.2.6 Participating SwMI CC application functional entity, FE3' . 34
5.2 Information flow . 34
5.2.1 Information flow diagrams . 34
5.2.1.1 General Information about Information Flow Diagrams . 34
5.2.1.2 Successful group call set-up over ISI using ANF-ISIGC . 35
5.2.1.3 Acknowledged group call set-up over ISI using ANF-ISIGC . 43
5.2.1.4 Partial group call set-up over ISI using ANF-ISIGC . 44
5.2.1.5 Delay of group call set-up over ISI using ANF-ISIGC . 47
5.2.1.6 Interaction with an active group call . 50
5.2.1.7 Unsuccessful group call set-up over ISI using ANF-ISIGC. 52
5.2.1.8 Call Maintenance procedures - Request to transmit . 54
5.2.1.9 Call maintenance procedures - Cease transmission . 60
5.2.1.10 Call Maintenance procedures - Use of ISI-TX WAIT and ISI-TX CONTINUE . 64
5.2.1.11 Call Maintenance procedures - Information flow to participating SwMI(s) . 64
5.2.1.12 Call Disconnection procedures - Controlling SwMI disconnects the call . 65
5.2.1.13 Call Disconnection procedures - Participating SwMI disconnects from the call . 65
5.2.1.14 Call Disconnection procedures - Call Owner disconnects the whole call . 67
5.2.2 Definitions of Information Flows . 68
5.2.2.1 General about Information Flows . 68
5.2.2.2 ISI_CONNECT . 68
5.2.2.3 ISI_DISCONNECT. 68
5.2.2.4 ISI_INFO . 69
5.2.2.5 ISI_INTERACT . 70
5.2.2.6 ISI_ORIGINATING SETUP . 70
5.2.2.7 ISI_POLL . 71
5.2.2.8 ISI_REJECT. 72
5.2.2.9 ISI_RELEASE . 72
5.2.2.10 ISI_REROUTE . 73
5.2.2.11 ISI_RESOURCE . 73
5.2.2.12 ISI_SETUP. 73
5.2.2.13 ISI_T X-CE ASED . 74
5.2.2.14 ISI_TX-CONTINUE . 75
5.2.2.15 ISI_T X-DEM AND . 75
5.2.2.16 ISI_TX-GRANTED . 75
5.2.2.17 ISI_TX-INTERRUPT . 76
5.2.2.18 ISI_TX-WAIT . 76
5.3 Functional Entity Actions (FEAs) . 76
5.3.1 Functional Entity Actions of FE1 . 76
5.3.2 Functional Entity Actions of FE1' . 77
ETSI

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5 Draft ETSI EN 300 392-3-13 V1.2.0 (2019-08)
5.3.3 Functional Entity Actions of FE2 . 78
5.3.4 Functional entity actions of FE2' . 81
5.3.5 Functional Entity Action of FE3 . 81
5.3.6 Functional entity actions of FE3' . 83
6 ANF-ISIGC stage 3 specification . 85
6.1 ANF-ISIGC description . 85
6.2 ANF-ISIGC operational requirements. 85
6.3 ANF-ISIGC coding requirements . 85
6.3.1 TETRA ANF-ISIGC PDUs . 85
6.3.1.1 General Information about PDU Descriptions . 85
6.3.1.2 ISI-ORIGINATING SETUP PDU sent by the originating SwMI - used to forward a call set-up
request . 85
6.3.1.3 ISI-SETUP INITIATE PDU sent by the controlling SwMI - used for setting up a group call . 86
6.3.1.4 ISI-INFO PDU . 88
6.3.1.5 ISI-SETUP ACKNOWLEDGE PDU sent by the originating or a participating SwMI - used as a
call set-up response . 89
6.3.1.6 ISI-DELAY PDU sent by the originating or a participating SwMI - used to delay call set-up . 91
6.3.1.7 ISI-CONNECT PDU sent by the controlling SwMI - used for connecting the call . 91
6.3.1.8 ISI-POLL USER PDU sent by the controlling SwMI - used for polling . 92
6.3.1.9 ISI-POLL RESPONSE PDU sent by a participating SwMI - used as a polling response . 92
6.3.1.10 ISI-TX DEMAND PDU sent by a participating SwMI - used to request transmission permission . 93
6.3.1.11 ISI-RESOURCE PDU sent by the controlling SwMI - used to request reservation of resources . 93
6.3.1.12 ISI-RESOURCE RESPONSE PDU sent by a participating SwMI - used as a resource response . 94
6.3.1.13 ISI-TX CEASED PDU sent by a participating SwMI and a controlling SwMI - used to
request/inform cease of transmission . 94
6.3.1.14 ISI-TX GRANTED PDU sent by the controlling SwMI - used to inform grant of transmission . 95
6.3.1.15 TETRA PDU sent by the controlling SwMI - used to inform interruption of transmission . 97
6.3.1.16 ISI-TX CONTINUE PDU sent by a participating SwMI - used to inform of continuation in an
active group call . 97
6.3.1.17 ISI-TX WAIT PDU sent by a participating SwMI - used to inform of withdrawal from an active
group call . 97
6.3.1.18 ISI-REJECT PDU . 97
6.3.1.19 ISI-DISCONNECT PDU sent by the originating SwMI or a participating SwMI . 98
6.3.1.20 ISI-RELEASE PDU sent by the controlling SwMI . 98
6.3.1.21 ISI-REROUTE PDU sent by the group home SwMI or the linking controlling SwMI - used to re-
route the call . 99
6.3.2 TETRA PDU information element coding . 99
6.3.2.1 General about the TETRA PDU Information Encoding . 99
6.3.2.2 Additional information to existing information element at the ISI . 99
6.3.2.2.1 Call status . 99
6.3.2.2.2 Call time-out, set-up phase . 100
6.3.2.2.3 Call time-out . 100
6.3.2.2.4 Disconnect cause information element . 100
6.3.2.2.5 Group basic migration profile . 101
6.3.2.2.6 PDU type . 102
6.3.2.2.7 SS-migration profile . 102
6.3.2.3 New information elements used at the ISI . 103
6.3.2.3.1 Call amalgamation . 103
6.3.2.3.2 Call diverted to dispatcher . 103
6.3.2.3.3 Call owner request . 103
6.3.2.3.4 Call resource time-out . 103
6.3.2.3.5 Calling group identifier . 104
6.3.2.3.6 Calling party information present . 104
6.3.2.3.7 Connected party SSI and extension . 104
6.3.2.3.8 Controlling/originating/participating SwMI MNI . 104
6.3.2.3.9 Critical connected party/requesting party/transmitting party SSI and extension . 104
6.3.2.3.10 Critical user list. 104
6.3.2.3.11 Disconnect type . 105
6.3.2.3.12 Dispatcher acceptance . 105
6.3.2.3.13 External group member identity . 105
6.3.2.3.14 External subscriber number digits . 105
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6 Draft ETSI EN 300 392-3-13 V1.2.0 (2019-08)
6.3.2.3.15 External subscriber number length . 106
6.3.2.3.16 External subscriber number parameters . 106
6.3.2.3.17 Group attachment indicator . 106
6.3.2.3.18 Group call SwMI type . 107
6.3.2.3.19 Group information . 107
6.3.2.3.20 ISI-INFO type . 107
6.3.2.3.21 Linking group type identifier . 107
...

SLOVENSKI STANDARD
oSIST prEN 300 392-3-13 V1.2.0:2019
01-november-2019
Prizemni snopovni radio (TETRA) - Govor in podatki (V+D) - 3. del: Medsebojno
delovanje na medsistemskem vmesniku (ISI) - 13. poddel: Neodvisnost
transportnih plasti dodatne omrežne funkcije: skupinski klic (ANF-ISIGC)
Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 3: Interworking at the
Inter-System Interface (ISI) - Sub-part 13: Transport layer independent Additional
Network Feature Group Call (ANF-ISIGC)
Ta slovenski standard je istoveten z: ETSI EN 300 392-3-13 V1.2.0 (2019-08)
ICS:
33.070.10 Prizemni snopovni radio Terrestrial Trunked Radio
(TETRA) (TETRA)
oSIST prEN 300 392-3-13 V1.2.0:2019 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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oSIST prEN 300 392-3-13 V1.2.0:2019

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oSIST prEN 300 392-3-13 V1.2.0:2019
Draft ETSI EN 300 392-3-13 V1.2.0 (2019-08)






EUROPEAN STANDARD
Terrestrial Trunked Radio (TETRA);
Voice plus Data (V+D);
Part 3: Interworking at the Inter-System Interface (ISI);
Sub-part 13: Transport layer independent
Additional Network Feature Group Call (ANF-ISIGC)

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oSIST prEN 300 392-3-13 V1.2.0:2019
 2 Draft ETSI EN 300 392-3-13 V1.2.0 (2019-08)



Reference
REN/TCCE-03261
Keywords
management, mobility, TETRA

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ETSI

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oSIST prEN 300 392-3-13 V1.2.0:2019
 3 Draft ETSI EN 300 392-3-13 V1.2.0 (2019-08)
Contents
Intellectual Property Rights . 9
Foreword . 9
Modal verbs terminology . 11
1 Scope . 12
2 References . 13
2.1 Normative references . 13
2.2 Informative references . 14
3 Definition of terms, symbols and abbreviations . 14
3.1 Terms . 14
3.2 Symbols . 15
3.3 Abbreviations . 15
4 ANF-ISIGC stage 1 specification . 17
4.1 Description . 17
4.1.1 General description . 17
4.1.2 Qualifications on applicability to TETRA basic services . 17
4.2 Procedures . 18
4.2.1 Provision/withdrawal . 18
4.2.2 Normal procedures . 18
4.2.2.1 Activation/deactivation/registration/interrogation . 18
4.2.2.2 Invocation and operation . 18
4.2.2.3 ANF-ISIGC - the service provider . 18
4.2.2.3.1 General . 18
4.2.2.3.2 Establishing the group call at the originating and controlling TETRA SwMI . 19
4.2.2.3.3 Establishing the group call at a participating TETRA SwMI . 21
4.2.2.3.4 Delaying the group call . 22
4.2.2.3.5 Control of call time-out timers . 22
4.2.2.3.6 Acknowledged group call procedures . 23
4.2.2.3.7 Colliding call setup signalling . 23
4.2.2.3.8 Joining of calls . 24
4.2.2.3.9 Maintenance of the group call . 24
4.2.2.3.10 Termination of the group call . 26
4.2.3 Exceptional procedures . 27
4.2.3.1 Activation/deactivation/registration/interrogation . 27
4.2.3.2 Invocation and operation . 27
4.3 Interaction with TETRA supplementary services and other TETRA ANFs . 27
4.3.1 General . 27
4.3.2 Calling Line Identification Presentation (SS-CLIP) . 27
4.3.3 Connected Line Identification Presentation (SS-COLP) . 28
4.3.4 Calling/Connected Line Identification Restriction (SS-CLIR) . 28
4.3.5 Call Report (SS-CR) . 28
4.3.6 Talking Party Identification (SS-TPI) . 28
4.3.7 Call Forwarding Unconditional (SS-CFU) . 28
4.3.8 Call Forwarding on Busy (SS-CFB) . 28
4.3.9 Call Forwarding on No Reply (SS-CFNRy) . 28
4.3.10 Call Forwarding on Not Reachable (SS-CFNRc) . 28
4.3.11 List Search Call (SS-LSC) . 28
4.3.12 Call Authorized by Dispatcher (SS-CAD) . 28
4.3.13 Short Number Addressing (SS-SNA) . 28
4.3.14 Area Selection (SS-AS) . 28
4.3.15 Access Priority (SS-AP) . 29
4.3.16 Priority Call (SS-PC) . 29
4.3.17 Call Waiting (SS-CW) . 29
4.3.18 Call Hold (SS-HOLD) . 29
4.3.19 Call Completion to Busy Subscriber (SS-CCBS) . 29
ETSI

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oSIST prEN 300 392-3-13 V1.2.0:2019
 4 Draft ETSI EN 300 392-3-13 V1.2.0 (2019-08)
4.3.20 Late Entry (SS-LE) . 29
4.3.21 Pre-emptive Priority Call (SS-PPC) . 29
4.3.22 Include Call (SS-IC) . 29
4.3.23 Barring of Outgoing Calls (SS-BOC) . 29
4.3.24 Barring of Incoming Calls (SS-BIC) . 30
4.3.25 Discreet Listening (SS-DL) . 30
4.3.26 Ambience Listening (SS-AL) . 30
4.3.27 Dynamic Group Number Assignment (SS-DGNA) . 30
4.3.28 Call Completion on No Reply (SS-CCNR) . 30
4.3.29 Call Retention (SS-CRT) . 30
4.3.30 Additional Network Features - Inter-System Interface Individual Call (ANF-ISIIC) . 30
4.3.31 ISI Short Data (ANF-ISISD) . 30
4.3.32 ISI Mobility Management (ANF-ISIMM) . 30
5 ANF-ISIGC stage 2 specification . 31
5.1 Functional model . 31
5.1.1 Functional model description . 31
5.1.2 Description of functional entities . 32
5.1.2.1 ISI group call originating entity, FE1 . 32
5.1.2.2 Originating SwMI CC application functional entity, FE1' . 32
5.1.2.3 ISI group home entity/group call controlling entity, FE2 . 33
5.1.2.4 Group home SwMI/Controlling SwMI CC application functional entity, FE2' . 33
5.1.2.5 ISI group call participating entity, FE3 . 34
5.1.2.6 Participating SwMI CC application functional entity, FE3' . 34
5.2 Information flow . 34
5.2.1 Information flow diagrams . 34
5.2.1.1 General Information about Information Flow Diagrams . 34
5.2.1.2 Successful group call set-up over ISI using ANF-ISIGC . 35
5.2.1.3 Acknowledged group call set-up over ISI using ANF-ISIGC . 43
5.2.1.4 Partial group call set-up over ISI using ANF-ISIGC . 44
5.2.1.5 Delay of group call set-up over ISI using ANF-ISIGC . 47
5.2.1.6 Interaction with an active group call . 50
5.2.1.7 Unsuccessful group call set-up over ISI using ANF-ISIGC. 52
5.2.1.8 Call Maintenance procedures - Request to transmit . 54
5.2.1.9 Call maintenance procedures - Cease transmission . 60
5.2.1.10 Call Maintenance procedures - Use of ISI-TX WAIT and ISI-TX CONTINUE . 64
5.2.1.11 Call Maintenance procedures - Information flow to participating SwMI(s) . 64
5.2.1.12 Call Disconnection procedures - Controlling SwMI disconnects the call . 65
5.2.1.13 Call Disconnection procedures - Participating SwMI disconnects from the call . 65
5.2.1.14 Call Disconnection procedures - Call Owner disconnects the whole call . 67
5.2.2 Definitions of Information Flows . 68
5.2.2.1 General about Information Flows . 68
5.2.2.2 ISI_CONNECT . 68
5.2.2.3 ISI_DISCONNECT. 68
5.2.2.4 ISI_INFO . 69
5.2.2.5 ISI_INTERACT . 70
5.2.2.6 ISI_ORIGINATING SETUP . 70
5.2.2.7 ISI_POLL . 71
5.2.2.8 ISI_REJECT. 72
5.2.2.9 ISI_RELEASE . 72
5.2.2.10 ISI_REROUTE . 73
5.2.2.11 ISI_RESOURCE . 73
5.2.2.12 ISI_SETUP. 73
5.2.2.13 ISI_T X-CE ASED . 74
5.2.2.14 ISI_TX-CONTINUE . 75
5.2.2.15 ISI_T X-DEM AND . 75
5.2.2.16 ISI_TX-GRANTED . 75
5.2.2.17 ISI_TX-INTERRUPT . 76
5.2.2.18 ISI_TX-WAIT . 76
5.3 Functional Entity Actions (FEAs) . 76
5.3.1 Functional Entity Actions of FE1 . 76
5.3.2 Functional Entity Actions of FE1' . 77
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 5 Draft ETSI EN 300 392-3-13 V1.2.0 (2019-08)
5.3.3 Functional Entity Actions of FE2 . 78
5.3.4 Functional entity actions of FE2' . 81
5.3.5 Functional Entity Action of FE3 . 81
5.3.6 Functional entity actions of FE3' . 83
6 ANF-ISIGC stage 3 specification . 85
6.1 ANF-ISIGC description . 85
6.2 ANF-ISIGC operational requirements. 85
6.3 ANF-ISIGC coding requirements . 85
6.3.1 TETRA ANF-ISIGC PDUs . 85
6.3.1.1 General Information about PDU Descriptions . 85
6.3.1.2 ISI-ORIGINATING SETUP PDU sent by the originating SwMI - used to forward a call set-up
request . 85
6.3.1.3 ISI-SETUP INITIATE PDU sent by the controlling SwMI - used for setting up a group call . 86
6.3.1.4 ISI-INFO PDU . 88
6.3.1.5 ISI-SETUP ACKNOWLEDGE PDU sent by the originating or a participating SwMI - used as a
call set-up response . 89
6.3.1.6 ISI-DELAY PDU sent by the originating or a participating SwMI - used to delay call set-up . 91
6.3.1.7 ISI-CONNECT PDU sent by the controlling SwMI - used for connecting the call . 91
6.3.1.8 ISI-POLL USER PDU sent by the controlling SwMI - used for polling . 92
6.3.1.9 ISI-POLL RESPONSE PDU sent by a participating SwMI - used as a polling response . 92
6.3.1.10 ISI-TX DEMAND PDU sent by a participating SwMI - used to request transmission permission . 93
6.3.1.11 ISI-RESOURCE PDU sent by the controlling SwMI - used to request reservation of resources . 93
6.3.1.12 ISI-RESOURCE RESPONSE PDU sent by a participating SwMI - used as a resource response . 94
6.3.1.13 ISI-TX CEASED PDU sent by a participating SwMI and a controlling SwMI - used to
request/inform cease of transmission . 94
6.3.1.14 ISI-TX GRANTED PDU sent by the controlling SwMI - used to inform grant of transmission . 95
6.3.1.15 TETRA PDU sent by the controlling SwMI - used to inform interruption of transmission . 97
6.3.1.16 ISI-TX CONTINUE PDU sent by a participating SwMI - used to inform of continuation in an
active group call . 97
6.3.1.17 ISI-TX WAIT PDU sent by a participating SwMI - used to inform of withdrawal from an active
group call . 97
6.3.1.18 ISI-REJECT PDU . 97
6.3.1.19 ISI-DISCONNECT PDU sent by the originating SwMI or a participating SwMI . 98
6.3.1.20 ISI-RELEASE PDU sent by the controlling SwMI . 98
6.3.1.21 ISI-REROUTE PDU sent by the group home SwMI or the linking controlling SwMI - used to re-
route the call . 99
6.3.2 TETRA PDU information element coding . 99
6.3.2.1 General about the TETRA PDU Information Encoding . 99
6.3.2.2 Additional information to existing information element at the ISI . 99
6.3.2.2.1 Call status . 99
6.3.2.2.2 Call time-out, set-up phase . 100
6.3.2.2.3 Call time-out . 100
6.3.2.2.4 Disconnect cause information element . 100
6.3.2.2.5 Group basic migration profile . 101
6.3.2.2.6 PDU type . 102
6.3.2.2.7 SS-migration profile . 102
6.3.2.3 New information elements used at the ISI . 103
6.3.2.3.1 Call amalgamation . 103
6.3.2.3.2 Call diverted to dispatcher . 103
6.3.2.3.3 Call owner request . 103
6.3.2.3.4 Call resource time-out . 103
6.3.2.3.5 Calling group identifier . 104
6.3.2.3.6 Calling party information present . 104
6.3.2.3.7 Connected party SSI and extension . 104
6.3.2.3.8 Controlling/originating/participating SwMI MNI . 104
6.3.2.3.9 Critical connected party/requesting party/transmitting party SSI and extension . 104
6.3.2.3.10 Critical user list. 104
6.3.2.3.11 Disconnect type . 105
6.3.2.3.12 Dispatcher acceptance . 105
6.3.2.3.13 External group member identity . 105
6.3.2.3.14 External subscriber number digits . 105
ETSI

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