The Binding Support Function (BSF) is one of the key functions of the 3GPP Service-Based Architecture (SBA) for 5G Core networks. It enables other Network Functions (NFs), for example an IMS Call State Control Function (CSCF) or Network Exposure Functions (NEF), to determine which Policy Control Function (PCF) is holding needed Policy & Accounting information for each active Mobile device Data Session.
NetNumber’s BSF also provides Diameter Gateway functionality used to interwork 4G Diameter requests in order to retrieve the PCF Diameter host used in support of dual-binding & 4G / 5G handover cases.
For two decades, NetNumber has been a leader in fixed and mobile signaling, routing and security. Key 5G BSF capabilities include:
Key 5G SCP benefits include:
For further information, please refer to the 5G Binding Support Function (BSF) Product Data Sheet.