The S12 interface is is a 4G interface between the RNC and SGW.

In wireless applications, the S12 interface is a 4G interface between the RNC and SGW.

Overview

S12 interface is between the RNC and SGW.  It uses GTP V1 over UDP transport protocol.

Network Diagram

Messages

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  • Create Session Request/Response
  • Modify Session Request/Response
  • Delete Session Request/Response

Call Flows

Standards

  • 3GPP TS 29.060
  • 3GPP TS 29.281

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Related Products and Protocols