1、 TIA-664.527-B (Revision of TIA-664.527-A) October 2007Wireless Features Description: Calling Name Restriction (CNAR) ANSI/TIA-664.527-B-2007 APPROVED: OCTOBER 23, 2007 REAFFIRMED: FEBRUARY 6, 2013 NOTICE TIA Engineering Standards and Publications are designed to serve the public interest through el
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19、2 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 527-i Contents Wireless Features Description: Calling Name Restriction Contents List of Tables.ii Revision Historyii 1 Calling Name Restriction (CNAR) .1
20、1.1 Normal Procedures with Successful Outcome1 1.2 Exception Procedures or Unsuccessful Outcome .4 1.3. Alternative Procedures .5 1.4. Interactions with Other Wireless Services5 TIA-664.527-B 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39
21、40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 List of Tables 527-ii List of Tables Table 1: CNAR Subscription Options .2 Revision History Revision Date Remarks IS-764, Revision 0 July 1998 Initial publication ANSI/TIA/EIA/664-527 July 2000 Initial ANSI publication TIA-664.527-A Dece
22、mber 2000 Updated ANSI publication TIA-664.527-B September 2007 Updated publication TIA-664.527-B 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 527-1 Calling Name Restriction
23、(CNAR) 1 Calling Name Restriction (CNAR) Calling Name Restriction (CNAR) restricts presentation of the calling subscribers name to the called party. CNAR may restrict the presentation of the calling subscribers name for all calls, or it may change the presentation status on a per-call basis. The ter
24、minating network may receive the calling name identification (CNA) as part of basic call setup or as a result of a database query. The portion of the CNA associated with the calling subscriber is considered public when presentation to the called party is allowed and private when presentation to the
25、called party is restricted. CNAR does not impact a subscribers ability to originate calls or to receive calls. Applicability to Telecommunications Services CNAR is applicable to voice and circuit switched data telecommunications services. 1.1 Normal Procedures with Successful Outcome Authorization C
26、NAR may be generally available or may be provided after prearrangement with the service provider. As a service provider option, CNAR may be offered with several subscription options. It is a service provider option as to how subscription options are applied (e.g., per Directory Number and Bearer Ser
27、vice). TIA-664.527-B 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 Calling Name Restriction (CNAR) 527-2 The following table summarizes the subscription options: Table 1: CNAR
28、 Subscription Options Subscription Options Values CNAR Mode Not subscribed. CNAR is inactive for all calls. Permanently Restricted. CNAR is active for all calls. Variable, Per-Call Force. The subscriber is authorized to control the activation and deactivation of CNAR on a per call basis regardless o
29、f the network stored default value. Variable, Per-Call Toggle. The subscriber is authorized to modify the network stored default value from “Allowed” to “Restricted” or from “Restricted” to “Allowed” on a per call basis. Variable, Per-Call Force and Per-Call Toggle. The subscriber is authorized for
30、both variable options as described above. Network Stored Default (only for variable modes) Presentation Restricted. Presentation Allowed. Deauthorization CNAR may be withdrawn at the subscribers request or for administrative reasons. Registration CNAR has no registration. Deregistration CNAR has no
31、deregistration. Activation If subscribed to the Permanently Restricted CNAR Mode, CNAR is activated upon authorization. If subscribed to Variable Per-Call Toggle CNAR mode with a Presentation Allowed Default, CNAR may be activated on a per-call basis concurrent with a particular call setup, as in: *
32、FC + # + termination address + SEND . TIA-664.527-B 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 527-3 Calling Name Restriction (CNAR) Alternatively: *FC + termination addres
33、s + SEND . If the temporary activation is accepted, the system may indicate success with feature confirmation treatment and the call is allowed to proceed. At the release of the call, CNAR shall resume the default state. If subscribed to Variable Per-Call Force CNAR mode with a Presentation Allowed
34、Default, CNAR may be activated on a per-call basis concurrent with a particular call setup, as in: *FC + # + termination address + SEND . Alternatively: *FC + termination address + SEND . If the temporary activation is accepted, the system may indicate success with feature confirmation treatment and
35、 the call is allowed to proceed. At the release of the call, CNAR shall resume the default state. Deactivation CNAR shall be deactivated upon deauthorization. If subscribed to Variable Per-Call Toggle CNAR Mode with Presentation Restricted Default, CNAR may be deactivated on a per-call basis concurr
36、ent with a particular call setup, as in: *FC0 + # + termination address + SEND . Alternatively: *FC + termination address + SEND . If the temporary deactivation is accepted, the system may indicate success with feature confirmation treatment and the call is allowed to proceed. At the completion of t
37、he call, CNAR shall resume the default state. If subscribed to Variable Per-Call Force CNAR Mode, CNAR may be deactivated on a per-call basis and concurrently with a particular call setup, as in: *FC0 + # + termination address + SEND . Alternatively: *FC + termination address + SEND . TIA-664.527-B
38、1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 Calling Name Restriction (CNAR) 527-4 If the temporary deactivation is accepted, the system may indicate success with feature con
39、firmation treatment and the call is allowed to proceed. At the completion of the call, CNAR shall resume the default state. Invocation CNAR is invoked for any calls originated by a subscriber or forwarded on behalf of a subscriber for whom CNAR is active. Normal Operation with Successful Outcome If
40、subscribed to the Permanently Restricted CNAR Mode, presentation of the callers name is restricted. If subscribed to Variable Per-Call Force or Variable Per-Call Toggle CNAR Mode, and CNAR is activated concurrent with a particular call setup, the originating network provides notification to the dest
41、ination network that presentation of the callers name is restricted. When CNAR is active, an indication of presentation restricted is presented to the called party with CNAP subscribed and active. When a call is forwarded for a subscriber with CNAR active, the portion of the CNA associated with that
42、 subscriber shall indicate presentation restricted. Call Detail Record The system should record call detail information for the following: a. CNAR activation activities and events. b. CNAR deactivation activities and events. c. CNAR invocation activities and events. See DMH for the specific informat
43、ion to be included for each element. 1.2 Exception Procedures or Unsuccessful Outcome Registration None identified. Deregistration None identified. TIA-664.527-B 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49
44、50 51 52 53 54 55 56 57 58 59 60 527-5 Calling Name Restriction (CNAR) Activation Temporary Activation with a Call Setup Request (Per Call Blocking) If the subscriber is not authorized for a request made concurrently with a call setup request, the system shall apply feature denial treatment and the
45、call setup shall be denied. If a subscriber with Presentation Restricted Default active attempts to activate the CNAR feature on a per call basis, the serving system shall progress the call with an indication that the calling name identification is presentation restricted. Deactivation Temporary Dea
46、ctivation with a Call Setup Request (Per Call Allow) If the subscriber is not authorized for a request made concurrently with a call setup request, the system shall apply feature denial treatment and the call setup shall be denied. If a subscriber with Presentation Allowed Default active attempts to
47、 deactivate the CNAR feature on a per call basis, the serving system shall progress the call with an indication that the calling name identification is presentation allowed. Invocation None identified. Exceptions While Roaming Serving systems may elect to provide CNAR to all roamers by default. Exce
48、ptions During Intersystem Handoff None identified. 1.3. Alternative Procedures None identified. 1.4. Interactions with Other Wireless Services Asynchronous Data Service (ADS) None identified. Call Delivery (CD) None identified. TIA-664.527-B 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 2
49、3 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 Calling Name Restriction (CNAR) 527-6 Call ForwardingBusy (CFB) None identified. Call ForwardingDefault (CFD) None identified. Call ForwardingNo Answer (CFNA) None identified. Call ForwardingUnconditional (CFU) None identified. Call Transfer (CT) If the CT controlling subscriber is authorized for a Variable Per-Call CNAR Mode and activates CNAR during the setup of a CT leg, the CNAR activation applies only to that call leg. If the CT controlling subscriber is authorize
