Page 458 - 5G Basics - Core Network Aspects

1 Core network aspects

Figure 4 – Scenario for assigning functional entities to the same physical node
when using a discrete PAM service number

In this scenario, the PAM service functional entities are mapped to one physical node referred to as the PAM
service platform which supports the SSF, SRF and PAM-SCF functionalities.

7.4.2 MSISDN as the PAM service number

Figure 5 illustrates the scenario of allocating functional entities to different physical nodes when a MSISDN
is used as the PAM service number. For simplicity, HLR, etc., functions not specific to the PAM service are not
expanded.

PSTN or ISDN Mobile network

PAM-SCP HLR/AuC (HSS)
PAM-SCF
HLR/AuC (HSS)

(G)MSC/VLR/SSP IP
SSF SRF
PSTN or ISDN CCF

AP RAN
AP function

Mobile station
MS PAM
function
Q.1763/Y.2803(07)_F05

Figure 5 – Scenario for assigning FEs to different physical nodes when
using MSISDN as the PAM service number

In Figure 5, the relationship of the functional entities and the physical nodes is as follows:
• the AP function maps to the AP;

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