S12 Interface

S12 interface is 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

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

Call Flows

Standards

  • 3GPP TS 29.060
  • 3GPP TS 29.281