Page 419 - Handbook of Modern Telecommunications
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3-210 CRC Handbook of Modern Telecommunications, Second Edition
Demarcation Point
Telecommunications Service Provider LEA
Court
Order
Provisioning
Access Provisioning of Warrant
Function HI-1
(AF) (INI-1)
Delivery Collection
Call Data Events Function Call Data Channel Function
(INI-2) (DF) (HI-2) (CF)
Intercept
Access
Point Call Content Call Content
(INI-3) (HI-3)
Proprietary J-STD-025/ETSI
Internal Network Interface Based Handover Interface
FIGu RE 3.8.5 Generic view of the LI architecture.
Law
Interception Enforcement
Order Agency
(LEA)
Network Operator,
Access Provider or
Service Provider
Law
Deliver Requested Information Enforcement
Monitoring
Facility
FIGu RE 3.8.6 Basic information exchange.
May be
paper
NWO/AP/SvP documents
domain
HI1
HI2
HI3
LEMF
HI
FIGu RE 3.8.7 Diagram showing hand-over interfaces between NWO/AP/SVP and LEMF.