Content for TS 23.082 Word version: 18.0.0
2 Call forwarding on mobile subscriber busy
2.1 Handling of call forwarding on mobile subscriber busy
2.2 Functions and information flows
2.3 Information stored in the HLR
2.4 State transition model
2.5 Transfer of information from HLR to VLR
2.6 Information stored in the VLR
2.7 Handover
2.8 Cross phase compatibility
2.9 Contents of messages
2.10 Support of Long Forwarded-to Numbers
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2 Call forwarding on mobile subscriber busy p. 26
2.1 Handling of call forwarding on mobile subscriber busy p. 26
2.1.1 Registration p. 26
2.1.2 Erasure p. 29
2.1.3 Activation p. 30
2.1.4 Deactivation p. 33
2.1.5 Interrogation p. 34
2.2 Functions and information flows p. 34
2.3 Information stored in the HLR p. 41
2.4 State transition model p. 41
2.5 Transfer of information from HLR to VLR p. 42
2.6 Information stored in the VLR p. 42
2.7 Handover p. 43
2.8 Cross phase compatibility p. 43
2.8.1 MS, MSC, VLR or HLR only support Phase 1 control of SS by the subscriber p. 43
2.8.2 HLR only supports Phase 1 updating of subscriber information p. 43
2.8.3 VLR only supports Phase 1 updating of subscriber information p. 43
2.8.4 VLR only supports Phase 1 call handling p. 43
2.8.5 VLR does not support CAMEL or supports CAMEL Phase 1 only p. 44
2.8.6 GMSC only supports Phase 1 call handling p. 44
2.8.7 GMSC does not support CAMEL or supports CAMEL Phase 1 only p. 44
2.9 Contents of messages p. 44
2.9.1 Messages on the B interface (MSC-VLR) p. 44
2.9.2 Messages on the D interface (VLR-HLR) p. 45
2.9.2.1 Insert Subscriber Data p. 45
2.9.2.2 Update Location p. 45
2.9.2.3 Provide Roaming Number p. 45
2.9.2.4 Restore Data p. 45
2.9.3 Messages on the E interface (VMSC-GMSC) p. 45
2.9.4 Messages on the MSC internal interface p. 46
2.10 Support of Long Forwarded-to Numbers p. 46
