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22、ENT OF THE USE OF THE CONTENTS HEREOF, AND THESE CONTENTS WOULD NOT BE PUBLISHED BY TIA WITHOUT SUCH LIMITATIONS. REVISION HISTORYRevision Date RemarksX.S0004-326-E v1.0 April 2008 Initial publication.X.S0004-326-E v1.0123456789101112131415161718192021222324252627282930313233343536373839404142434445
23、464748495051525354555657585960326-1 INTRODUCTION1 INTRODUCTIONUnless otherwise noted, the scenarios in this part depict features operating individually; i.e.,feature interactions are not considered unless specifically noted.The scenarios in this part do not include a complete listing of operation pa
24、rameters, either in thefigures or in the accompanying text descriptions. Parameters are included where they aredeemed necessary to improve the understanding of the scenario. For a complete description ofthe parameters associated with each operation, refer to Parts 540 and 550.2 DO NOT DISTURBThis se
25、ction depicts the interactions between network entities in various situations related toautomatic roaming and Do Not Disturb (DND). These scenarios are for illustrative purposesonly.2.1 DND Activation or De-ActivationThe information flows required for the activation or de-activation of DND by an aut
26、horized MSare described in Part-311 Section 2.1.2.2 DND InvocationThis scenario describes the invocation of DND for an authorized MS. a. A call origination and the dialed MS address digits (i.e., directory number) are receivedby the Originating MSC.b. The Originating MSC sends a LOCREQ to the MSs HL
27、R.Figure 1 DND InvocationabcdMSC HLR Originating System locreq ACCDEN, ANNLIST LOCREQ DGTSDIAL call origination call refusal treatment LRT X.S0004-326-E v1.0DO NOT DISTURB123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960326-2c. The HLR de
28、termines from the MSs service profile that Do Not Disturb is active. Thestatus of the MS is returned to the Originating MSC by the HLR via theAccessDeniedReason parameter in the locreq. An AnnouncementList parametermay be included to specify the tones or announcements to be provided to the callingpa
29、rty.d. The Originating MSC provides treatment to the served MS as indicated in thelocreq. In this case, the treatment is to provide call refusal treatment.2.3 DND Interaction with CFD or CFNAThe interaction of DND with CFD is described in Part 322 Section 3.6, CFD Invocation-Immediate.The interactio
30、n of DND with CFNA is described in Part 322 Section 4.4, CFNA Invocation-Immediate.2.4 DND Interaction with CFUThis scenario describes the interaction of DND with CFU for an authorized MS. a. A call origination and the dialed MS address digits (i.e., directory number) are receivedby the Originating
31、MSC.b. The Originating MSC sends a LOCREQ to the MSs HLR.c. The HLR determines from the MSs service profile that DND and CFU are active.Therefore, it sends a locreq to the Originating MSC providing the forward-tonumber and other routing information in the TerminationList parameter, along with anindi
32、cation of the reason for extending the incoming call (i.e., for CFU) in theDMH_RedirectionIndicator parameter.d. The Originating MSC then establishes a call to the specified forward-to number.Note that, since DND is active, the MS is not informed that a call has been forwarded unconditionally.Figure 2 DND Interaction with CFUabcdMSC HLROriginating System locreq TERMLIST, REDIND LOCREQ DGTSDIAL call origination call forward setup LRT
