B.8 Retrieval of Network Provided Location Information for SMS over IP at Terminating side

29.2133GPPPolicy and charging control signalling flows and Quality of Service (QoS) parameter mappingRelease 17TS

This clause covers the optional request of access network information for SMS over IP.

Figure B.8.1: Retrieval of Access Network Information for SMS over IP at terminating side

1.- The P-CSCF receives the 200 OK message on SIP MESSAGE request.

2. The P-CSCF requests the establishment of a new Diameter Rx session with the intention of retrieval the access network information. The P-CSCF sends a Diameter AAR command to the PCRF.

3. The PCRF performs session binding.

4. The PCRF replies with a Diameter AAA command back to the P-CSCF.

5. The PCRF requires access network information according to figure 5.2.2.2.1-1.

6. PCRF forwards the access network information received in step 5 in a Diameter RAR.

7. The P-CSCF acknowledges the receipt of Diameter RAR.

8. The P-CSCF forwards the 200 OK including the network provided location information.

After, the P-CSCF terminates the AF session as described in subclause 4.3.1.2.3.

Annex C (normative):
NAT Related Procedures