S8HR Lawful Interception
Lawful Interception for VoLTE Roaming

S8HR

LIMS Gateway

Utimaco provides a carrier-grade and ETSI/3GPP compliant LI solution for IMS/VoLTE in visited networks by offering both an active (Utimaco LMISF) and a passive (S8HR AP) solution.

Key Benefits

Key Benefits

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Cost-efficient

Avoids complex and costly IMS interconnect equipment and replaces traditional voice switches and gateways with local breakout

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Integrated

Active and passive solutions can be fully integrated with Utimaco LIMS

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Compliance

ETSI/3GPP compliant LI of VoLTE in visited networks and follows recommendations in GSMA PRD IR.65

Details

Details

Mobile network operators all over the world have a network requirement to support a home routed (HR) roaming model for voice calls. This roaming architecture avoids complex and costly IMS interconnect equipment and replaces traditional voice switches and gateways with local break out. All calls from roaming users in a visited network (inbound roamers) are routed directly to the home network.

Based on its IP multimedia subsystem, the home network has full control over call routing, billing, and value-added services.
Utimaco provides two alternative solutions which are compliant with standardization according to 3GPP TS 33.107 and following the recommendations in GSMA PRD IR.65. Utimaco supports the scalable and transparent LI solution that passively and according with GSMA IR.65 monitors all VoLTE calls on S8 interfaces (LI S8HR).

S8HR Chart

 

Furthermore Utimaco supports the BBIFF functionality (Bearer Binding Intercept and Forward Function) as well as the standardized LI Mirror IMS State Function (LMISF).

LMISF Chart

 

  • Provides an active or passive LI solution for VoLTE     
  • Can be deployed as an appliance or as a virtualized solution    
  • Supports integration with 3rd party systems
  • Enables traffic filtering    
  • Provides a vendor independent passive solution
  • Compliant with standardization according to 3GPP TS 33.107
  • Provides a scalable solution- from 1G to 10G per probe   

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