5G • Core Network
N15 Interface
N15 Reference Point (AMF to PCF)
Interface between AMF and PCF for access and mobility policy control.
Technical Explanation
Realized via the Npcf_AMPolicyControl service, N15 allows the PCF to configure mobility restrictions, service area restrictions (allowed and forbidden tracking areas), and RFSP index values into the AMF for a registered subscriber.
Key Functions
- Delivers access and mobility policy rules from PCF to AMF
- Configures service area restrictions (allowed and forbidden tracking areas)
- Realized via Npcf_AMPolicyControl service interface
Specifications
3GPP TS 23.501, TS 29.507
Interfaces
N15Npcf
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