ETSI TS 103 479 V1.1.1 (2019-12)

Emergency Communications (EMTEL); Core elements for network independent access to emergency services

DTS/EMTEL-00037

General Information

• Status: Published
• Publication Date: 15-Dec-2019
• Technical Committee: EMTEL - Emergency Communications
• Current Stage: 12 - Completion
• Due Date: 18-Dec-2019
• Completion Date: 16-Dec-2019

Standards Content (Sample)

ETSI TS 103 479 V1.1.1 (2019-12)






TECHNICAL SPECIFICATION
Emergency Communications (EMTEL);
Core elements for network independent access
to emergency services

---------------------- Page: 1 ----------------------
2 ETSI TS 103 479 V1.1.1 (2019-12)



Reference
DTS/EMTEL-00037
Keywords
emergency services, location, multimedia
ETSI
650 Route des Lucioles
F-06921 Sophia Antipolis Cedex - FRANCE

Tel.: [phone]  Fax: [phone]

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 ETSI TS 103 479 V1.1.1 (2019-12)
Contents
Intellectual Property Rights . 7
Foreword . 7
Modal verbs terminology . 7
Executive summary . 7
Introduction . 7
1 Scope . 9
2 References . 9
2.1 Normative references . 9
2.2 Informative references . 12
3 Definition of terms, symbols and abbreviations . 12
3.1 Terms . 12
3.2 Symbols . 12
3.3 Abbreviations . 12
4 General . 14
4.1 Overview . 14
4.2 Architecture . 15
4.3 Mandatory Interfaces . 16
4.4 Optional Interfaces . 17
5 Entities . 18
5.1 Border Control Function (BCF) . 18
5.1.1 Overview . 18
5.1.2 Mandatory Interfaces . 18
5.1.3 Optional Interfaces . 18
5.2 Emergency Service Routing Proxy (ESRP) . 19
5.2.1 Overview . 19
5.2.2 Mandatory Interfaces . 19
5.2.3 Optional Interfaces . 20
5.2.4 Call Queueing . 20
5.2.5 Policy Routing . 21
5.3 Emergency Call Routing Function (ECRF) . 22
5.3.1 Overview . 22
5.3.2 Mandatory Interfaces . 22
5.3.3 Optional Interfaces . 23
5.3.4 Routing Query . 23
5.3.5 Service Boundary . 23
5.4 Public Safety Answering Point (PSAP). 24
5.4.1 Overview . 24
5.4.2 Mandatory Interfaces . 24
5.4.3 Optional Interfaces . 25
5.5 Location Information Server (LIS) . 26
5.5.1 Overview . 26
5.5.2 Mandatory Interfaces . 27
5.5.3 Optional Interfaces . 27
5.5.4 Location Representation . 27
5.6 Call Transfer Bridge (BRIDGE) . 28
5.6.1 Overview . 28
5.6.2 Mandatory Interfaces . 28
5.6.3 Optional Interfaces . 28
6 Interfaces . 29
6.1 Signalling . 29
6.1.1 SIP Transport (SIP-1) . 29
6.1.2 SIP Session (SIP-2) . 29
ETSI

---------------------- Page: 3 ----------------------
4 ETSI TS 103 479 V1.1.1 (2019-12)
6.1.2.1 Overview . 29
6.1.2.2 SIP Methods . 30
6.1.2.3 Required SIP Headers . 33
6.1.2.4 Accepted SIP Headers . 34
6.1.2.5 Resource Priority . 34
6.1.2.6 History-Info and Reason . 35
6.1.2.7 Call-Info . 35
6.1.2.8 SIP Message Bodies . 36
6.1.2.9 SIP Element Overload . 36
6.1.2.10 Test Call . 36
6.1.3 SIP Registration (SIP-3) . 37
6.1.3.1 Overview . 37
6.1.3.2 SIP Methods . 37
6.1.3.3 Required SIP Headers . 37
6.2 Web Services . 37
6.2.1 Dequeue Registration (HTTP-1) . 37
6.2.1.1 Overview . 37
6.2.1.2 Parameter . 38
6.2.2 Bad Actor (HTTP-2) . 38
6.2.2.1 Overview . 38
6.2.2.2 Parameter . 38
6.3 Event Notification . 39
6.3.1 Queue State (SIP-E1) . 39
6.3.1.1 Overview . 39
6.3.1.2 Parameter . 40
6.3.2 Abandoned Call (SIP-E2) . 40
6.3.2.1 Overview . 40
6.3.2.2 Parameter . 41
6.3.3 Security Posture (SIP-E3) . 41
6.3.3.1 Overview . 41
6.3.3.2 Parameter . 42
6.3.4 Element State (SIP-E4) . 42
6.3.4.1 Overview . 42
6.3.4.2 Parameter . 43
6.3.5 Service State (SIP-E5) . 43
6.3.5.1 Overview . 43
6.3.5.2 Parameter . 44
6.4 Mapping Services . 45
6.4.1 Find Service (LOST-1) . 45
6.4.1.1 Overview . 45
6.4.1.2 findService Request . 45
6.4.1.3 findService Response . 46
6.4.2 Service Boundary (LOST-2) . 47
6.4.2.1 Overview . 47
6.4.2.2 getServiceBoundary Request . 47
6.4.2.3 getServiceBoundary Response . 47
6.4.3 List Services (LOST-3) . 47
6.4.3.1 Overview . 47
6.4.3.2 listServices Request . 47
6.4.3.3 listServices Response . 47
6.4.4 List Services by Location (LOST-4) . 47
6.4.4.1 Overview . 47
6.4.4.2 listServicesByLocation Request . 48
6.4.4.3 listServicesByLocation Response . 48
6.4.5 Error Responses . 48
6.5 Location Services . 49
6.5.1 HTTP Enabled Location Delivery (HELD-1) . 49
6.5.1.1 Overview . 49
6.5.1.2 Location Request . 49
6.5.1.3 Location Response . 49
6.5.1.4 Error Responses . 49
6.5.2 Location Dereference (HELD-2) . 49
ETSI

---------------------- Page: 4 ----------------------
5 ETSI TS 103 479 V1.1.1 (2019-12)
6.5.3 Location URI (HELD-3) . 49
6.5.3.1 Overview . 49
6.5.3.2 Subscription . 49
6.5.3.3 Notification . 49
6.6 Media . 50
6.6.1 RTP Transport (RTP-1) . 50
6.6.2 RTP Types (RTP-2) . 50
6.6.2.1 General . 50
6.6.2.2 Audio . 50
6.6.2.3 Video . 50
6.6.2.4 Real-time Text . 50
6.7 Instant Messaging (IM-1) . 50
6.8 Common Alerting Protocol (CAP-1) . 51
Annex A (normative): JSON Schema . 52
A.1 QueueState . 52
A.2 AbandonedCall . 52
A.3 SecurityPosture . 53
A.4 ElementState . 53
A.5 ServiceState . 53
A.6 Dequeue Registration Request . 54
A.7 Dequeue Registration Response . 55
A.8 BadActor Request . 55
A.9 BadActor Response . 55
Annex B (informative): Organizational Descriptions . 56
B.0 General . 56
B.1 Certificate Authority. 56
B.2 National, and Regional Authorities . 56
B.3 Public Safety Computer Emergency Response Team (CERT) . 56
B.4 ETSI Protocol Naming and Numbering Service (PNNS) . 56
B.5 Emergency Call Service Authorities . 56
Annex C (informative): Parameter Registries . 58
C.0 General . 58
C.1 queueState Registry . 58
C.1.1 General . 58
C.1.2 Name . 58
C.1.3 Information required to create a new value . 58
C.1.4 Management Policy . 58
C.1.5 Content . 58
C.1.6 Initial Values . 58
C.2 securityPosture Registry . 59
C.2.0 General . 59
C.2.1 Name . 59
C.2.2 Information required to create a new value . 59
C.2.3 Management Policy . 59
C.2.4 Content . 59
C.2.5 Initial Values . 59
C.3 elementState Registry . 59
ETSI

---------------------- Page: 5 ----------------------
6 ETSI TS 103 479 V1.1.1 (2019-12)
C.3.0 General . 59
C.3.1 Name . 59
C.3.2 Information required to create a new value . 59
C.3.3 Management Policy . 60
C.3.4 Content . 60
C.3.5 Initial Values . 60
C.4 serviceState Registry .
...