SBI - Service Based Interface

SBI is the term given to the API based communication that can take place between two VNFs (Virtualized Network Functions) within the 5G SBA (Service Based Architecture). A given VNF can utilise an API call over the SBI in order to invoke a particular service or service operation.


  • Fully interactive 3GPP based network map
  • Narrated call flows
  • Detailed network procedures

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