Content for TS 23.540 Word version: 19.0.0

1… 4… 5… 5.1.3 5.1.4 5.1.5 5.1.6 5.1.7… 5.1.7.2.3… 5.1.7.3.2 5.1.7.3.3 5.1.7.3.4 5.1.7.3.5 5.1.7.4 5.1.8… 5.2… 6…

4.1 Architecture to support SBI-based SMS 4.2 Reference point to support SBI-based SMS 4.3 Service based interface to support SBI-based SMS
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4 Architecture to support SBI-based SMS p. 8

4.1 Architecture to support SBI-based SMS p. 8

Figure 4.1-1 shows the non-roaming architecture to support SBI-based SMS.

Reproduction of 3GPP TS 23.540, Fig. 4.1-1: Non-roaming architecture for SBI-based SMS

Figure 4.1-1: Non-roaming architecture for SBI-based SMS

Figure 4.1-2a, Figure 4.1-2b Figure 4.1-2c and Figure 4.1-2d depict the non-roaming architecture to support SBI-based SMS, using the reference point representation showing how various network functions interact with each other

Reproduction of 3GPP TS 23.540, Fig. 4.1-2a: Non-roaming System Architecture for SBI-based MT SMS in reference point representation

Figure 4.1-2a: Non-roaming System Architecture for SBI-based MT SMS in reference point representation

Reproduction of 3GPP TS 23.540, Fig. 4.1-2b: Non-roaming System Architecture for SBI-based MO SMS in reference point representation

Figure 4.1-2b: Non-roaming System Architecture for SBI-based MO SMS in reference point representation

Reproduction of 3GPP TS 23.540, Fig. 4.1-2c: Architecture for SBI-based MSISDN-less MO SMS and device triggering in reference point representation

Figure 4.1-2c: Architecture for SBI-based MSISDN-less MO SMS and device triggering in reference point representation

Reproduction of 3GPP TS 23.540, Fig. 4.1-2d: Architecture for NP status Retrieval from MNPF in reference point representation

Figure 4.1-2d: Architecture for NP status Retrieval from MNPF in reference point representation

4.2 Reference point to support SBI-based SMS p. 10

Besides the reference point to support SMS over NAS described in clause 4.4.2.2 of TS 23.501, the following reference points are needed to support SBI-based SMS:

Reference point SM1:

Reference point for routing information between SMS-GMSC and UDM.

Reference point SM2:

Reference point between SMS-IWMSC and UDM.

Reference point SM3:

Reference point for routing information between IP-SM-GW and UDM.

Reference point SM4:

Reference point for routing information between SMS Router and UDM.

Reference point SM5:

Reference point for SMS message transfer between SMS-GMSC and SMSF.

Reference point SM6:

Reference point for SMS message transfer between SMS-GMSC and SMS Router.

Reference point SM7:

Reference point for SMS message transfer between SMSF and SMS Router.

Reference point SM8:

Reference point for SMS message transfer between SMS-GMSC and IP-SM-GW.

Reference point SM9:

Reference point for SMS message transfer between SMSF and IP-SM-GW

Reference point SM10:

Reference point for SMS message transfer between SMS-IWMSC and SMSF.

Reference point SM11:

Reference point for SMS message transfer between SMS-SC and NEF.

Reference point SM12:

Reference point for SMS message transfer between SMS-GMSC and MNPF.

Reference point SM13:

Reference point for SMS message transfer between SCP and MNPF.

Reference point SM14:

Reference point for SMS message transfer between NRF and MNPF.

Reference point SM15:

Reference point for SMS message transfer between IP-SM-GW and SMS-IWMSC.

4.3 Service based interface to support SBI-based SMS p. 11

Besides the service based interfaces to support SMS over NAS described in clause 4.4.2.3 of TS 23.501, the following service based interfaces are needed to support SBI-based SMS.

Nudm:

Service-based interface exhibited by UDM

Nnrf:

Service-based interface exhibited by NRF

Ngmsc:

Service-based interface exhibited by SMS-GMSC

Niwmsc:

Service-based interface exhibited by SMS-IWMSC

Nipsmgw:

Service-based interface exhibited by IP-SM-GW

Nrouter:

Service-based interface exhibited by SMS Router

Nnef:

Service-based interface exhibited by NEF

Nmnpf:

Service-based interface exhibited by MNPF