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Home Location Register

HSS icon

 

The Home Location Register (HLR) serves as the primary database repository of subscriber information within GSM/GPRS networks.


Combined with an integrated Authentication Center (AuC), it provides a central point for registration and authentication of mobile subscribers.


Acts as the real-time location repository for routing of outbound calls and outbound SMS.

 

 

Protocol Compliance

HLR interface

HLR interface supports:
MAP C, D, Gr, Gc.

MAP specifications

Full featured support of EPC networks. Supports communicating
with MME, SGSN and combined MME/SGSN.

 

HLR Features 

  • CAMEL1/2/3 Customised Applications for Mobile network Enhanced Logic service Phases 1/2
  • CAMEL4 Customised Applications for Mobile network Enhanced Logic service Phase 4
  • CB-SS Call Barring Supplementary Services
  • CF-SS Call Forwarding Supplementary Services
  • CW/HOLD-SS Call Waiting & Call Holding Supplementary Service
  • ECT-SS Explicit Call Transfer Supplementary Service
  • LI-SS Line Identification Supplementary Services
  • MPTY-SS Multi-Party Supplementary Service
  • ODB Operator Determined Barring  
  • SMS Short Message Service
  • USSD Unstructured Supplementary Service Data service
  • MMSISDN Multi MSISDN per SIM includes ATI and PSI
  • STATS Stack and HLR services and platform stats
  • REPORT Reports on stats over time
  • BATCH Batch load of SIM card profiles and SIM cards (e.g. GEMALTO file format)
  • MIMSI Multiple IMSI
  • MSIM Multi SIM
  • MMSISDN Multi MSISDN
  • ROAMING Roaming Controls

 

HLR Documentation 

  • TS 02.72 Customised Applications for Mobile network
    Enhanced Logic service Phases 1
  • TS 03.78 Customised Applications for Mobile network
    Enhanced Logic service Phases 2
  • TS 23.088 Call Barring Supplementary Services
  • TS 23.082 Call Forwarding Supplementary Services
  • TS 23.083 Call Waiting and Call Holding Supplementary Service  
  • TS 23.091 Explicit Call Transfer Supplementary Service
  • TS 23.081 Line Identification Supplementary Services (CLIP/CLR/COLP)
  • TS 23.084 MultiParty Supplementary Service
  • TS 23.015 Operator Determined Barring
  • TS 23.040 Short Message Service
  • TS 23.090 Unstructured Supplementary Service Data Service

 HSS Protocol Compliance

S6 application

The LTE HSS supports S6a/S6d application over - Diameter/SCTP. 

compliance

S6a/S6d implementation is compliant with
- TS 29.272 v12.8.0 (Sep 2015) 
- TS 23.401 v12.8.0 (Sep 2015)

S13 Diameter

The LTE HSS includes the S13 Diameter protocol in roadmap to provide an EIR control service.