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Core Network LIs Server & Gateway

mSwitch LAWFUL INTERCEPTION DEFINES A SYSTEMATIC AND EXTENSIBLE MEANS BY WHICH NETWORK OPERATORS AND LAW ENFORCEMENT AGENTS CAN INTERACT, ESPECIALLY AS THE COMPLEXITY OF NETWORKS GROW AND SCOPE OF SERVICES INCREASE.
Availability:
  • mSwitch™ LIS Server & GW
  • GENEW

Overview - mSwitch™ LI Platform:

mSwitch LI Platform is composed of the LI Server (LIS) and LI Gateway (GW).


LI SERVER

The LI Server is a browser/server architecture server. The carrier operators configure and manage services from the LI Server Console.

The LI Server acts as the management server and the Intercept Related Information (IRI) transmission server. 

As the Management Server, the LI Server manages and authorizes the lawful interception process. For voice interception, the LI Server communicates with the SLR in the network. 

When acting as an IRI Transmission Server, if the interception target places or receives a call, the LI Server receives IRI from the SLR.

The LI Server supports various Handover Interfaces. It receives interception requests from the LEA through the standard Handover Interface Port 1 (HI1), and sends interception IRI results to the LEA through the standard Handover Interface Port 2 (HI2)


LI GATEWAY

As an interception device, the LI Gateway (GW) converts the IP voice signals transmitted inside the core network to ISDN User Part (ISUP)/SIP data, and transmits them to the law enforcement monitoring facility (LEMF) via the HI 3 interface through an E1 line. IP based CC interface is also supported


Features - mSwitch™ LI Platform:

- COMPLIANT WITH LI SPECIFICATION PUBLISHED BY STANDARDS ORGANIZATIONS: ETSI, 3GPP, ANSI

- SUPPORT VARIOUS HI (HANDOVER INTERFACE) DEFINED BY DIFFERENT NATIONAL AND STANDARDS ORGANIZATIONS

- INTEROPERABLE WITH 3rd PARTY LI EQUIPMENT


Specification - mSwitch™ LI Platform:

LI SERVER

Hardware and OS platform: ATCA or x86 server; Linux OS


Reliability: 1+1 High Availability

Interface

- Management interface: GE

- Signaling interface:  GE

Protocol: HI1, HI2 of ETSI spec; SNMP; Telnet

Performance

- Max LEA supported:  30 

- Max LI targets provisioned: 12K.


LI GATEWAY

Hardware and OS platform: cPCI chassis; Vxworks

Reliability: 1+1 High Availability

Interface

- Management interface: FE

- Signaling interface:  FE, E1

Protocol: PRI. SS7 ISUP, SIP; SNMP; RTP, RTCP

Performance: Max intercepted concurrent calls supported per E1 line card:  300m



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Genew Technologies Co., Ltd., established in 2005, is a global system provider of end-to-end communication solutions and telecom infrastructures, it is listed on the Shanghai Stock Exchange (Stock Code: 688418.SS).

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