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M5
3
Solution

The Gr interface is a 3G interface between the SGSN and HLR.

In wireless applications, the Gr interface is a 3G interface between the SGSN and HLR.

Overview

Gr interface is between the SGSN and HLR.  It uses MAP over TCAP, SCCP, SIGTRAN XUA, SCTP transport protocol.

Network Diagram

Messages

‍

  • SendAuthenticationInfoArg
  • SendAuthenticationInfoRes
  • UpdateLocationArg
  • UpdateLocationRes
  • InsertSubscriberDataArg
  • InsertSubscriberDataRes

Call Flows

Standards

  • 3GPP TS 09.02 (MAP v1, MAP v2)
  • 3GPP TS 29.002 (MAP v3) - MAP for 3G UMTS & GSM (Release 99 and later)

‍

Related Products and Protocols

Products

Protocols

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