8.1 UMTS to UMTS

23.2843GPPLocal Call Local Switch (LCLS)Release 17Stage 2TS

For Inter-MSC Handover UMTS to UMTS the Anchor MSC server shall include the GCR IE, the LCLS-Negotiation Request IE and the LCLS-Configuration-Preference IE in IAM to the Target MSC server. The Target MSC server may modify the LCLS-Configuration-Preference IE based on its own LCLS configuration requirements. The rules for LCLS Configuration settings are defined in clause 4.2. The Target MSC server shall include the final LCLS-Configuration-Preference IE and the LCLS-Negotiation Response IE in the APM or ACM or CPG. The Target MSC server may then use the LCLS parameters to enable LCLS if a subsequent UTRAN to GERAN handover occurs.