7.5b Coexistence of Roaming Retry and Roaming Forwarding for CS fallback

23.2723GPPCircuit Switched (CS) fallback in Evolved Packet System (EPS)Release 17Stage 2TS

If an MSC/VLR supports both the procedures as specified in clause 7.5 and 7.5a, and the GMSC has indicated support roaming retry as specified in clause 7.5, the old MSC/VLR which sends the initial paging request can decide based on operator policy whether to follow the procedure specified in clause 7.5 or clause 7.5a.