1、 TIA-664.524-B (Revision of TIA-664.524-A) October 2007Wireless Features Description: Voice Privacy (VP) ANSI/TIA-664.524-B-2007 APPROVED: OCTOBER 9, 2007 REAFFIRMED: JANUARY 29, 2013 NOTICE TIA Engineering Standards and Publications are designed to serve the public interest through eliminating misu
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19、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 60 524-i Contents Wireless Features Description: Voice Privacy Contents Revision Historyii 1 Voice Privacy (VP).1 1.1 Normal Procedures with Successful Outcome1 1.2 Except
20、ion Procedures or Unsuccessful Outcome .2 1.3 Alternative Procedures .3 1.4 Interactions with Other Wireless Services3 TIA-664.524-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
21、 60 Revision History 524-ii Revision History Revision Date Remarks IS-53, Revision 0 August 1991 Initial publication IS-53, Revision A May 1995 Updated publication ANSI/TIA/EIA-664, Revision 0 June 1996 Initial ANSI publication ANSI/TIA/EIA/664-524-A July 2000 Updated ANSI publication TIA-664.524-B
22、September 2007 Updated publication TIA-664.524-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 60 524-1 Voice Privacy (VP) 1 Voice Privacy (VP) Voice Privacy (VP) provides a degr
23、ee of privacy for the subscriber over the Base Station to Mobile Station radio link (air or Uminterface). VP applies only to digital modes of operation. VP applies only to the radio link to the served subscriber, not to the call end-to-end. This feature shall be a mandatory capability of all mobile
24、stations capable of operating in digital voice mode. VP has no impact upon a subscribers ability to originate calls or to receive calls. Applicability to Telecommunications Services VP is applicable to voice telecommunication services. 1.1 Normal Procedures with Successful Outcome Authorization VP m
25、ay be generally available or may be provided after prearrangement with the service provider. Deauthorization VP may be withdrawn at the subscribers request or for administrative reasons. Registration VP has no registration. Deregistration VP has no deregistration. Activation An authorized subscriber
26、 may activate VP at any time by indicating preferred Voice Privacy mode on to the system. Deactivation An authorized subscriber may deactivate VP at any time by indicating preferred Voice Privacy mode off to the system. TIA-664.524-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
27、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 Voice Privacy (VP) 524-2 Invocation The feature is invoked when there is an active call, VP is active, and VP is supported by the current serving system. The mobile station shall indicate to the
28、subscriber the current status of VP during a call, as well as a change of status between the two states. A visual indicator (e.g., lamp, display) shall indicate the current state of VP. A mobile station audible annunciator shall indicate a change in the state of VP. This annunciator should be easily
29、 distinguishable from other annunciators and tones. Normal Operation with Successful Outcome When VP is invoked, the speech or traffic channel used is encrypted. Call Detail Record The system should record call detail information for the following: a. VP usage duration for each system involved. See
30、DMH for the specific information to be included for each element. 1.2 Exception Procedures or Unsuccessful Outcome Registration None identified. Deregistration None identified. Activation None identified. Deactivation None identified. Invocation The subscriber may receive a voice announcement indica
31、ting that VP is not operative in that call, possibly with a reason given. TIA-664.524-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 60 524-3 Voice Privacy (VP) The mobile stati
32、on may provide a periodic audible annunciator to indicate that VP is not being honored. This annunciator should be easily distinguishable for other annunciators and tones. Exceptions While Roaming VP may not be supported by all systems, especially those systems offering only analog services. Excepti
33、ons During Intersystem Handoff VP may not be supported by all systems, especially those systems offering only analog services. 1.3 Alternative Procedures None identified. 1.4 Interactions with Other Wireless Services Asynchronous Data Service (ADS) None identified. Call Delivery (CD) None identified
34、. Call ForwardingBusy (CFB) None identified. Call ForwardingDefault (CFD) None identified. Call ForwardingNo Answer (CFNA) None identified. Call ForwardingUnconditional (CFU) None identified. TIA-664.524-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 3
35、5 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 Voice Privacy (VP) 524-4 Call Transfer (CT) None identified. Call Waiting (CW) None identified. Calling Name Presentation (CNAP) None identified. Calling Name Restriction (CNAR) None identified. Calling Number Identificatio
36、n Presentation (CNIP) None identified. Calling Number Identification Restriction (CNIR) None identified. Conference Calling (CC) None identified. Data Privacy (DP) DP does not support VP. Do Not Disturb (DND) None identified. Emergency Services (9-1-1) None identified. Flexible Alerting (FA) None id
37、entified. TIA-664.524-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 60 524-5 Voice Privacy (VP) Group 3 Facsimile (G3 Fax) None identified. Message Waiting Notification (MWN) N
38、one identified. Mobile Access Hunting (MAH) None identified. Network Directed System Selection (NDSS) None identified. Non-Public Service Mode (NP) This interaction is beyond the scope of this Standard. Over-the-Air Service Provisioning (OTASP) When OTASP is active, it takes precedence over all othe
39、r calls and features. The user may terminate OTASP at any time in order to originate an emergency call. Password Call Acceptance (PCA) None identified. Preferred Language (PL) None identified. Priority Access and Channel Assignment (PACA) None identified. Remote Feature Control (RFC) None identified
40、. Selective Call Acceptance (SCA) None identified. TIA-664.524-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 Voice Privacy (VP) 524-6 Service Negotiation (SN) None identified. Subscriber PIN Access (SPINA) None identified. Subscriber PIN Intercept (SPINI) None identified. Three-Way Calling (3WC) None identified. User Group (UG) None identified. Voice Message Retrieval (VMR) None identified. Voice Privacy (VP) Not applicable.
