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Lawful Interception System
Development For
4G Mobile Network
Decision Group Inc.
2020/15/09
1
Agenda
Major LI References of Decision Group Inc.
Generalized View of LI architecture
LI Network Scheme for 4G Network
Decision Group's Services for LI Project
1
2
3
4
2
References
Major LI References of
Decision Group Inc.
01
AGENDA
3
Major LI References of
Decision Group INC.
Since 2011, Decision Group
(often referred to as D.G) has
established many major
references as follows.
4
COUNTRYYEAR PROJECT NAME
2013 Eritrea LIEritrea
2013
Taiwan Intelligent Optic
FiberTaiwan
2012
Alexandria Target
InceptionEgypt
2011 ~ 2016 Eswatini
Information Security
Project
2014 Telefonic xDSL LIArgentina
2016 ~ 2018
Telefonic 3G/4G GTP
LIArgentina
2016 ~ 2018
Tokushima Prefecture
City Hall LIJapan
2016 ~ 2018
Taiwan Optical Platform LI
Phrase 1~4Taiwan e
2019
Chungwa Telecom 5G
LITaiwan
5
LI Architecture
Generalized View of LI
architecture
02
AGENDA
6
Generalized View of LI architecture
NWO / AP / SvP¡¯s domain
NWO/AP/SvP¡¯s
Administration function
IRI mediation
function
CC mediation
function
Network
Internal
Functions
IIF
INI
Intercept related
information(IRI)
Content of
communication(C
C)
LI handover interface HI
LEA
domain
HI1
HI2
HI3
IIF : Internal interception function
INI : Internal network interface
HI1 : administrative information
HI2 : intercept related information
HI3 : content of communication
The European
Telecommunications
Standards Institute (ETSI) is
an independent, not-for-
profit, standardization
organization in
the telecommunications industry
(equipment makers and network
operators) in Europe
LEMF
7
LI Network
LI Network Scheme for
4G Network
03
AGENDA
8
LI Scheme for 4G Network (1/6)
LI Gateway
Data Provisioning
? IRI - Intercept Related
Information
? CC - Content of Communication
IRI & CC Delivery
LI Command
LEA Monitor Center
DRMS
EDDM
iMonitor
User
Input warrant order
Data Archiving
Data Analysis
Check out records
9
LI Scheme for 4G Network (2/6)
IRI Provisioning
? Provision from
? MME
? HSS
IRI & CC Delivery
LI Command
LEA Monitor Center
Data Provisioning
HI1
HI2 & HI3
DRMS
EDDM
iMonitor
User
Input warrant order
Data Analysis
Check out records
LI Gateway
Data Archiving
10
LI Scheme for 4G Network (3/6)
IRI Provisioning from MME
IRI & CC Delivery
LI Command
LEA Monitor Center
DRMS
EDDM
iMonitor
User
Input warrant order
Data Analysis
Check out records
HI1
HI2 & HI3
X
1
X
2
MME
? Internal Interface X
? X1 - Activate, manage and terminate interception
? X2 - Transport IRI from the point of interception to
the MF
LI Gateway
Data Archiving
11
LI Scheme for 4G Network (4/6)
CC Provisioning
Data Provisioning
? Provision from
? P-GW
? S-GW
LI Gateway
X
3
IRI & CC Delivery
LI Command
LEA Monitor Center
DRMS
EDDM
iMonitor
Input warrant order
Data Archiving
Data Analysis
Check out records
HI1
HI2 & HI3
User
12
LEA Monitor Center
LI Scheme for 4G Network (5/6)
Intercept ID : 63330
Packet Encapsulation
IRI & CC Delivery
LI Command
DRMS
EDDM
iMonitor
User
Input warrant order
Data Archiving
Data Analysis
Check out records
HI1
HI2 & HI3
X
1
x3
PDN-GW
duplicate
U
E
Other Party
? Internal Interface X
? X1 - Activate, manage and terminate interception
? X3 - Transport to the MF
User
LI Gateway
13
LI Scheme for 4G Network ¨C Voice CSFB 3G (6/6)
iMediator
Voice Recorder iMonitor #1 EDDM DRMS & Storage
.
.
.
User
HI1 HI2
Front-End
Back-End
Media Gateway
X2
? E1 SS7 ISUP
? E1 ISDN PRI
CC - HI3
14
Services
Decision Group¡¯s Services
For LI Project
04
AGENDA
15
Decision Groups Services For LI Project
? Project Plan and System Design
? Project Scope and System Capacity
Evaluation
? Network Architecture and System Availiability
? Hardware Preparation and Software
Customization
? Server and Network Equipement Installation
? User Interface and Daily Maintenance
Customization
? System Integration and Regulation
? Interworking with Telecom Network
? Data Collection and Transfer to Customer
Logger
? Technology Transfer, Training Materials and
Training Courses
16
CREDITS: This presentation template was created by ºÝºÝߣsgo, including
icons by Flaticon, and infographics & images by Freepik
Do you have any questions?
decision@decision.com.tw
+886 02 2766 5753
http:www.edecision4u.com/index.html
Thanks
Please keep this slide for attribution
17

More Related Content

4G Mobile Interception (Edecision)

  • 1. Lawful Interception System Development For 4G Mobile Network Decision Group Inc. 2020/15/09 1
  • 2. Agenda Major LI References of Decision Group Inc. Generalized View of LI architecture LI Network Scheme for 4G Network Decision Group's Services for LI Project 1 2 3 4 2
  • 3. References Major LI References of Decision Group Inc. 01 AGENDA 3
  • 4. Major LI References of Decision Group INC. Since 2011, Decision Group (often referred to as D.G) has established many major references as follows. 4
  • 5. COUNTRYYEAR PROJECT NAME 2013 Eritrea LIEritrea 2013 Taiwan Intelligent Optic FiberTaiwan 2012 Alexandria Target InceptionEgypt 2011 ~ 2016 Eswatini Information Security Project 2014 Telefonic xDSL LIArgentina 2016 ~ 2018 Telefonic 3G/4G GTP LIArgentina 2016 ~ 2018 Tokushima Prefecture City Hall LIJapan 2016 ~ 2018 Taiwan Optical Platform LI Phrase 1~4Taiwan e 2019 Chungwa Telecom 5G LITaiwan 5
  • 6. LI Architecture Generalized View of LI architecture 02 AGENDA 6
  • 7. Generalized View of LI architecture NWO / AP / SvP¡¯s domain NWO/AP/SvP¡¯s Administration function IRI mediation function CC mediation function Network Internal Functions IIF INI Intercept related information(IRI) Content of communication(C C) LI handover interface HI LEA domain HI1 HI2 HI3 IIF : Internal interception function INI : Internal network interface HI1 : administrative information HI2 : intercept related information HI3 : content of communication The European Telecommunications Standards Institute (ETSI) is an independent, not-for- profit, standardization organization in the telecommunications industry (equipment makers and network operators) in Europe LEMF 7
  • 8. LI Network LI Network Scheme for 4G Network 03 AGENDA 8
  • 9. LI Scheme for 4G Network (1/6) LI Gateway Data Provisioning ? IRI - Intercept Related Information ? CC - Content of Communication IRI & CC Delivery LI Command LEA Monitor Center DRMS EDDM iMonitor User Input warrant order Data Archiving Data Analysis Check out records 9
  • 10. LI Scheme for 4G Network (2/6) IRI Provisioning ? Provision from ? MME ? HSS IRI & CC Delivery LI Command LEA Monitor Center Data Provisioning HI1 HI2 & HI3 DRMS EDDM iMonitor User Input warrant order Data Analysis Check out records LI Gateway Data Archiving 10
  • 11. LI Scheme for 4G Network (3/6) IRI Provisioning from MME IRI & CC Delivery LI Command LEA Monitor Center DRMS EDDM iMonitor User Input warrant order Data Analysis Check out records HI1 HI2 & HI3 X 1 X 2 MME ? Internal Interface X ? X1 - Activate, manage and terminate interception ? X2 - Transport IRI from the point of interception to the MF LI Gateway Data Archiving 11
  • 12. LI Scheme for 4G Network (4/6) CC Provisioning Data Provisioning ? Provision from ? P-GW ? S-GW LI Gateway X 3 IRI & CC Delivery LI Command LEA Monitor Center DRMS EDDM iMonitor Input warrant order Data Archiving Data Analysis Check out records HI1 HI2 & HI3 User 12
  • 13. LEA Monitor Center LI Scheme for 4G Network (5/6) Intercept ID : 63330 Packet Encapsulation IRI & CC Delivery LI Command DRMS EDDM iMonitor User Input warrant order Data Archiving Data Analysis Check out records HI1 HI2 & HI3 X 1 x3 PDN-GW duplicate U E Other Party ? Internal Interface X ? X1 - Activate, manage and terminate interception ? X3 - Transport to the MF User LI Gateway 13
  • 14. LI Scheme for 4G Network ¨C Voice CSFB 3G (6/6) iMediator Voice Recorder iMonitor #1 EDDM DRMS & Storage . . . User HI1 HI2 Front-End Back-End Media Gateway X2 ? E1 SS7 ISUP ? E1 ISDN PRI CC - HI3 14
  • 15. Services Decision Group¡¯s Services For LI Project 04 AGENDA 15
  • 16. Decision Groups Services For LI Project ? Project Plan and System Design ? Project Scope and System Capacity Evaluation ? Network Architecture and System Availiability ? Hardware Preparation and Software Customization ? Server and Network Equipement Installation ? User Interface and Daily Maintenance Customization ? System Integration and Regulation ? Interworking with Telecom Network ? Data Collection and Transfer to Customer Logger ? Technology Transfer, Training Materials and Training Courses 16
  • 17. CREDITS: This presentation template was created by ºÝºÝߣsgo, including icons by Flaticon, and infographics & images by Freepik Do you have any questions? decision@decision.com.tw +886 02 2766 5753 http:www.edecision4u.com/index.html Thanks Please keep this slide for attribution 17