ATIS 0700016-2014 Lawfully Authorized Electronic Surveillance (LAES) Capabilities for 3GPP IMS Based Push to talk over Cellular (PoC).pdf

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1、 ATIS-0700016 ATIS Standard on - LAWFULLY AUTHORIZED ELECTRONIC SURVEILLANCE (LAES) CAPABILITIES FOR 3GPP IMS BASED PUSH TO TALK OVER CELLULAR (POC) As a leading technology and solutions development organization, ATIS brings together the top global ICT companies to advance the industrys most-pressin

2、g business priorities. Through ATIS committees and forums, nearly 200 companies address cloud services, device solutions, emergency services, M2M communications, cyber security, ehealth, network evolution, quality of service, billing support, operations, and more. These priorities follow a fast-trac

3、k development lifecycle from design and innovation through solutions that include standards, specifications, requirements, business use cases, software toolkits, and interoperability testing. ATIS is accredited by the American National Standards Institute (ANSI). ATIS is the North American Organizat

4、ional Partner for the 3rd Generation Partnership Project (3GPP), a founding Partner of oneM2M, a member and major U.S. contributor to the International Telecommunication Union (ITU) Radio and Telecommunications sectors, and a member of the Inter-American Telecommunication Commission (CITEL). For mor

5、e information, visit . Notice of Disclaimer Mobility Management Entity (MME) and Serving GPRS Support Node (SGSN) related interfaces based on Diameter protocol (Release 12).11This document is available from 3rd Generation Partnership Project (3GPP). ATIS-0700016 2 3GPP-29.273 3GPP TS 29.273, Evolved

6、 Packet System (EPS); 3GPP EPS AAA interfaces (Release 12).1CALEA Public Law 103-414, Communications Assistance for Law Enforcement Act (CALEA); October 25, 1994.4OMA-PoC OMA PoC Enabler 1.0, OMA Push to Talk over Cellular, V1.0.2OMA-PoC-AD OMA PoC Enabler 1.0, OMA Push to Talk over Cellular, Archit

7、ecture Document, V1.0.2; OMA-AD-PoC-V1_0_2-20070905-A.2OMA-PoC-CP OMA PoC Enabler 1.0, OMA Push to Talk over Cellular, OMA PoC Control Plane, V1.0.2; OMA-TS-PoC_ControlPlane-V1_0_2-20070905-A.2OMA-PoC-RD OMA PoC Enabler 1.0, OMA Push to Talk over Cellular, Requirements Document, V1.0; OMA-RD-PoC-V1_

8、0-20060609-A.2 OMA-PoC-UP OMA PoC Enabler 1.0, OMA Push to Talk over Cellular , PoC User Plane Document, V.1.0.2; OMA-TS-PoC_UserPlane-V1_0_2-20070905-A.2Presence AD Presence SIMPLE Architecture Document, Open Mobile Alliance, OMA-AD-Presence_SIMPLE-V1_12. RFC 2396 IETF RFC 2396, Uniform Resource Id

9、entifiers (URI): Generic Syntax; August 1998.3RFC 3261 IETF RFC 3261, SIP: Session Initiation Protocol; June 2002.3RFC 4566 IETF RFC 4566, SDP: Session Description Protocol; July 2006.3Title 18 Title 18 of the United States Code, Chapter 119, Sections 2510 2522, Wire and Electronic Communications In

10、terception and Interception of Oral Communications.4X-680 ITU-T Recommendation X.680, Information technology - Abstract Syntax Notation One (ASN.1): Specification of basic notation; November 2008.53 Definitions, Acronyms, examples of media types are “audio”, “video”, “application”, “data”, and “cont

11、rol”. Media Types are either real-time or non-real-time. 3.1.45 Mobility: See Terminal Mobility. 3.1.46 Mobile Station (MS): A wireless terminal used by PoC Subscribers to access network services over a radio interface. 3.1.47 Multimedia: Multimedia is the simultaneous existence of multiple Media Ty

12、pes; for example, audiovisual or video plus subtitles. Multimedia from a single source that involves real-time media types are assumed to be synchronized. 3.1.48 Multiple Active Sessions: An enhancement of Simultaneous PoC Sessions that allows a PoC Client to have several PoC Sessions active at the

13、same time without filtering of Media. 3.1.49 On-Demand Session: An On-Demand Session is a PoC Session set-up mechanism in which all media parameters are negotiated at PoC Session establishment. 3.1.50 One-to-Many PoC Session: A PoC Session with many Participants and in which all Participants can com

14、municate with each other. 3.1.51 One-to-Many-to-One PoC Session: A PoC Group Session for a Pre-Arranged PoC Group in which one Participant is a PoC Dispatcher and each other Participant is a PoC Fleet member. 3.1.52 One-to-One PoC Session: A feature enabling a PoC User to establish a PoC Session wit

15、h another PoC User. 3.1.53 Origination: An Initiation of a PoC Session by a PoC Subscriber. 3.1.54 Participant: A PoC User in a PoC Session. 3.1.55 Pen Register: Defined in Title 18 3127 (3), to be “a device or process which records or decodes dialing, routing, addressing, or signaling information t

16、ransmitted by an instrument or facility from which a wire or electronic communication is transmitted, provided, however, that such information shall not include the contents of any communication, but such term does not include any device or process used by a provider or customer of a wire or electro

17、nic communication service for billing, or recording as an incident to billing, for communications services provided by such provider or any device or process used by a provider or customer of a wire communication service for cost accounting or other like purposes in the ordinary course of its busine

18、ss”. ATIS-0700016 5 3.1.56 PoC Address: A PoC Address identifies a PoC User. The PoC Address can be used by one PoC User to request communication with other PoC Users. 3.1.57 PoC Administrator: An entity that creates and maintains relevant aspects of PoC Service for a specific PoC Subscriber or grou

19、p of PoC Subscribers. The PoC Service Provider is the default PoC Administrator. PoC administrative rights may be assigned to a representative of a group of PoC Subscribers (e.g., IT department of a corporation) for the purpose of administering a PoC Service within that group of PoC Subscribers. 3.1

20、.58 PoC Client: A PoC functional entity that resides on the User Equipment supporting the PoC Service. 3.1.59 PoC Dispatcher: PoC Dispatcher is a Participant in a One-to-Many-to-One PoC Session that sends Media to all PoC Fleet Members and that receives Media from any PoC Fleet Member. 3.1.60 PoC Ex

21、ternal Entity: An entity connected to a PoC system, which provides supporting functionalities for Participants. Authorized Participants are able to control the PoC External Entities to realize the desired functionalities. 3.1.61 PoC Fleet Member: A Participant in a One-to-many-to-One PoC Session tha

22、t is only able to send Media to the PoC Dispatcher and is likewise only able to receive Media from the PoC Dispatcher. 3.1.62 PoC Group: A predefined set of PoC Users together with its attributes. A PoC Group is identified by a SIP URI. 3.1.63 PoC Group Administrator: A person(s) or entity that has

23、the authority to define, delete, or modify PoC Group memberships (i.e., administrative rights for group membership management are exercised in an “off-line” fashion). The PoC Service Provider has group administrative rights by default. PoC Group administrative rights may be assigned by the PoC Servi

24、ce Provider to a PoC Subscriber or his representative (e.g., IT department in a corporation) as part of the service provisioning or temporarily assigned by the PoC Session Owner to a Participant in a PoC Group Session. The PoC Group Administrator may be a Participant in all, some, or none of the PoC

25、 Group Sessions. PoC Group Administrator is a special case of PoC Administrator. 3.1.64 PoC Group Identity: The SIP URI of the Pre-Arranged PoC Group or Chat PoC Group. 3.1.65 PoC Group Member: A PoC User on the predefined list of those who are to be invited during initial PoC Session establishment

26、(in the case of a Pre-Arranged PoC Group) or allowed to join the PoC Session (in the case of a Restricted Chat PoC Group). 3.1.66 PoC Group Session: A PoC Session involving a Pre-Arranged PoC Group, Ad Hoc PoC Group, or Chat PoC Group. 3.1.67 PoC Host: A PoC Participant who has authority to initiate

27、 and administrate an active PoC Group Session (i.e., group administrative rights in a PoC Session are exercised in an “on-line” fashion). The telecommunications service provider has PoC Host administrative rights by default, subject to applicable privacy rules. 3.1.68 PoC Network: A network comprise

28、d of a SIP/IP Core and PoC Server(s), which provide PoC capabilities to the associated PoC-capable User Equipment that are compliant with OMA PoC Service Enabler specifications. 3.1.69 PoC Participant: See Participant. 3.1.70 PoC Server: The PoC Server implements the 3GPP IMS 3GPP-23.228 application

29、 level network functionality for the PoC Service. 3.1.71 PoC Service Provider: A PoC Service Provider provides PoC Service on its own or in conjunction with other Value Added Services to the PoC Subscribers. 3.1.72 PoC Session: An established communication path using SIP (see SIP Session) between Po

30、C Subscribers over which data can be exchanged. 3.1.73 PoC Session Owner: The PoC Session Owner in the case of One-to-One PoC Session and Ad Hoc PoC Group Session is the initiator of the PoC Session. In the case of a Chat PoC Group and a Pre-Arranged PoC Group Session, the PoC Session Owner is the c

31、reator of the PoC Group. 3.1.74 PoC Session Priority: The PoC Session Priority is determined based on the Service Provider Policy and the QoS profile associated to the PoC Session. It controls how the PoC Session is treated under competing situations with other PoC Sessions and may result in a prefe

32、rred treatment for those PoC Sessions with a higher ATIS-0700016 6 PoC Session Priority. The definition of different levels to be applied for this feature is a decision that belongs to the PoC Service Provider. 3.1.75 PoC Subscriber: One whose service subscription includes the PoC Service. 3.1.76 Po

33、C User: See PoC Subscriber. 3.1.77 Policy: A plan of action based on certain defined criteria for handling the PoC Service. A Policy is established by one or more roles of the PoC Service Enabler (the PoC Service Provider, PoC Subscriber, PoC User, or enterprise customer IT department on behalf of P

34、oC Users) and may concern, for example, expel rights in PoC Groups, release of PoC Sessions, network privacy rules, user preferences, assignment of priority levels, etc. Policy may be applicable to different points in the end-to-end PoC Session e.g., PoC Client, PoC Service entity, underlying networ

35、k infrastructure. 3.1.78 Pre-Arranged Group: A persistent PoC Session Identity that has an associated set of PoC Group Members. The establishment of a PoC Session to a Pre-Arranged PoC Group results in all members being invited. 3.1.79 Pre-established PoC Session: A SIP Session established between t

36、he PoC Client and the PoC Server that performs the Participating PoC Function. The PoC Client establishes the Pre-established PoC Session prior to making requests for PoC Sessions to other PoC Users. To establish a PoC Session based on a SIP request from the PoC User, the PoC Server conferences othe

37、r PoC Servers/Users to the Pre-established PoC Session so as to create an end-to-end connection. 3.1.80 Presence Source: An entity that provides (publishes) presence information to a Presence service. 3.1.81 Presentity: A logical entity that has Presence Information associated with it. This Presence

38、 Information may be composed from a multitude of Presence Sources. A Presentity is most commonly a reference for a person, although it may represent a role such as “help desk” or a resource such as “conference room #27”. Presentities are generally referenced by distinguished names, such as “” or by

39、phone numbers like “+19724735455”. 3.1.82 Private Call: See One-to-One PoC Session. 3.1.83 Quality of Service: Quality specification of a telecommunications channel, system, virtual channel, computer-telecommunications Session, etc. Quality of service may be measured, for example, in terms of signal

40、-to-noise ratio, bit error rate, message throughput rate, or call blocking probability. 3.1.84 Reject List: A list the PoC Subscriber maintains containing identities of other PoC Subscribers or PoC Groups from which the PoC Subscriber does not want to receive either incoming alerts or invitations. T

41、he Reject List is used to automatically reject alerts or PoC Session invitations received from any identity on the Reject List. 3.1.85 Restricted Chat PoC Group: A PoC Group in which participation is limited to specific PoC Subscribers. 3.1.86 Sender Identification: The procedure by which the curren

42、t Media senders PoC Address is determined and made known to the receiving Participants on the PoC Session. 3.1.87 Simultaneous PoC Sessions: When a PoC User is a participant in more than one PoC Session simultaneously using the same PoC Client. 3.1.88 SIP/IP Core: The SIP/IP Core includes a number o

43、f SIP proxies and SIP registrars. The SIP/IP Core architecture is specified in 3GPP-23.228. 3.1.89 SIP Session: A SIP dialog. From RFC3261, a SIP dialog is defined as follows: “A dialog is a peer-to-peer SIP relationship between two user agent(s) (UAs) that persists for some time. A dialog is establ

44、ished by SIP messages, such as a 2xx response to an INVITE request. A dialog is identified by a call identifier, local tag, and a remote tag”. 3.1.90 SIP URI: From RFC3261: “A SIP or SIPS URI identifies a communications resource” and “follows the guidelines in RFC2396”. PoC uses SIP URI(s) to identi

45、fy PoC Clients, PoC Servers, and PoC Sessions, resource lists that point to URI lists, etc. 3.1.91 Subject: See PoC Intercept Subject. 3.1.92 Surveillance: See Electronic Surveillance. ATIS-0700016 7 3.1.93 Talk Burst: The flow of media from a PoC Client that has the permission to send media. 3.1.94

46、 Terminal Mobility: The ability of a terminal to access telecommunications services from different locations and while in motion, and the capability of the network to identify, locate, and communicate with that terminal. 3.1.95 Trap and Trace Device: Defined in Title 18 3127(4), a device or process

47、that captures the incoming electronic or other impulses that identify the originating number or other dialing, routing, addressing, and signaling information reasonably likely to identify the source of a wire of electronic communication, provided, however, that such information shall not include the

48、 contents of any communication. 3.1.96 Unobtrusive: Not readily or undesirably noticeable or blatant; inconspicuous. 3.1.97 Unrestricted Chat PoC Group: An established PoC Group in which membership is open to any PoC Subscriber, but its establishment does not result in other PoC Subscribers being in

49、vited. 3.1.98 Watcher: An entity that requests presence information about a Presentity, or Watcher Information about a Watcher, from the Presence service. 3.2 Acronyms o Pre-Arranged PoC Group; and o Chat PoC Group (Restricted or Unrestricted); One-to-Many-to-One (Fleet management). Instant Personal Alert. ATIS-0700016 9 5 Electronic Surveillance Architecture for PoC 5.1 Electronic Surveillance Model Lawful Interception (LI) is comprised of five major functions: service provider administration, access, deliv