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3GPP Glossaries:  Interfaces / Reference Points
for letter 'N' (3 of 5)

 

5GS–N20

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between  AMF
and  SMSF 

specified from  Rel-15  in
TS 23.501, clause 4.4.2.2 

TBC


5GS–N21

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between  SMSF
and  UDM 

specified from  Rel-15  in
TS 23.501, clause 4.4.2.2 

TBC


5GS–N22

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between  AMF
and  NSSF 

specified from  Rel-15  in
TS 23.501, clause 4.2.7 

TBC


5GS–N23

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between  NWDAF
and  PCF 

specified from  Rel-15  in
TS 23.503, clause 5.3.11 

TBC


5GS–N24

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between  vPCF
and  hPCF 

specified from  Rel-15  in
TS 23.501, clause 4.2.7 

TBC


5GS–N25

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between  PCF
and  UDR 

specified from  Rel-15  in
TS 23.503, clause 5.3.5 

TBC


5GS–N26

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between  MME
and  AMF 

specified from  Rel-15  in
TS 23.501, clause 4.3 

N26 interface is an inter-CN interface between the MME and 5GS AMF in order to enable interworking between EPC and the NG core. Support of N26 interface in the network is optional for interworking. N26 supports subset of the functionalities (essential for interworking) that are supported over S10.


5GS–N27

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between  NRF
and  NRF 

specified from  Rel-15  in
TS 23.501, clause 4.2.7 

TBC


5GS–N28

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between  PCF
and  OCS 

specified from  Rel-15  in
TS 23.503, clause 5.3.8 

TBC


5GS–N29

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between  SMF
and  NEF 

specified from  Rel-15  in
TS 23.503, clause 5.3.9 

TBC


5GS–N30

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between  NEF
and  PCF 

specified from  Rel-15  in
TS 23.503, clause 5.3.10 

TBC



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