Networking — Something Good to Know

October 11, 2010

UMTS to GSM Handover Procedures

Filed under: Uncategorized — conningtech @ 12:59 pm

1. Basic handover procedure requiring a circuit connection between 3G MSC-A and MSC-B (UMTS to GSM)
Basic handover procedure requiring a circuit connection between 3G MSC-A and MSC-B (UMTS to GSM)

2. Basic handover procedure not requiring the establishment of a circuit connection between 3G MSC-A and MSC-B (UMTS to GSM)
Basic handover procedure not requiring the establishment of a circuit connection between 3G MSC-A and MSC-B (UMTS to GSM)

3. Subsequent Handover from 3G MSC-B back to MSC-A (UMTS to GSM)
Subsequent Handover from 3G MSC-B back to MSC-A (UMTS to GSM)

4. Subsequent Handover from 3G MSC-B to MSC-B’ (UMTS to GSM)
Subsequent Handover from 3G MSC-B to MSC-B’ (UMTS to GSM)

5. Subsequent Handover from 3G MSC-B back to MSC-A without circuit connections (UMTS to GSM)
Subsequent Handover from 3G MSC-B back to MSC-A without circuit connections (UMTS to GSM)

6. Subsequent Handover from 3G MSC-B to MSC-B’ without circuit connections (UMTS to GSM)
Subsequent Handover from 3G MSC-B to MSC-B’ without circuit connections (UMTS to GSM)

7. Circuit-switched call establishment after a Basic UMTS to GSM Handover without circuit connection (UMTS to GSM)
Circuit-switched call establishment after a Basic UMTS tp GSM Handover without circuit connection (UMTS to GSM)

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