ATIS 1000042-2012 Support for Lawfully Authorized Electronic Surveillance (LAES) of Advanced Voice over Packet (VoP) Conferencing.pdf
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1、 TECHNICAL REPORT ATIS-1000042 SUPPORT FOR LAWFULLY AUTHORIZED ELECTRONIC SURVEILLANCE (LAES) OF ADVANCED VOICE OVER PACKET (VOP) CONFERENCING ATIS is the leading technical planning and standards development organization committed to the rapid development of global, market-driven standards for the i
2、nformation, entertainment and communications industry. More than 200 companies actively formulate standards in ATIS Committees, covering issues including: IPTV, Cloud Services, Energy Efficiency, IP-Based and Wireless Technologies, Quality of Service, Billing and Operational Support, Emergency Servi
3、ces, Architectural Platforms and Emerging Networks. In addition, numerous Incubators, Focus and Exploratory Groups address evolving industry priorities including Smart Grid, Machine-to-Machine, Connected Vehicle, IP Downloadable Security, Policy Management and Network Optimization. ATIS is the North
4、 American Organizational Partner for the 3rd Generation Partnership Project (3GPP), 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). ATIS is accredited
5、 by the American National Standards Institute (ANSI). For more information, please visit . Notice of Disclaimer Optional (O) Provided at the discretion of the implementation; or Conditional (C) Required in situations where a condition (defined in the description column of the table) is met. The info
6、rmation to be conveyed by each parameter is identified. Note that both optional and conditional parameters are considered to be OPTIONAL syntactically in the abstract syntax descriptions. The inclusion requirements in this clause take precedence over the abstract syntax definitions. The following ti
7、ming requirements shall apply to the delivery of CII: Each surveillance message shall be sent by the Delivery Function to the Collection Function within eight (8) seconds of receipt by the IAP of the information pertaining to the CII triggering event at least 95% of the time. Each surveillance messa
8、ge shall contain a time-stamp that is within 200 milliseconds from when the CII event triggering the surveillance message was detected. The CaseIdentity and Conference-ID parameters provide correlation of all the CII messages and enable the LEA CF to properly process the encapsulated CC-APDU payload
9、 ATIS-1000042 7 6.1 Conference Focus CII Reporting Capabilities 6.1.1 Conference-Started Message The Conference-Started message reports the start of a Conference. The Conference starts when the first party is joined to the Conference. This event is reported when the first party is joined to the Conf
10、erence. Table 1: Conference-Started Message Parameters Conference-Started Parameters MOC DescriptionCaseIdentity M Identifies the lawful intercept. IAPSystemIdentity M Identifies the network element containing the IAP. TimeStamp M Identifies the date and time of this Conference event. Conference-ID
11、M Identifies the Conference. Used to correlate CII messages for the lawful intercept. Conference-Parties M Identifies parties joined to the Conference. CCAddress C Provide for content interception to identify the delivery address for the Call Content. 6.1.2 Conference-Already-Started Message The Con
12、ference-Already-Started message reports the start of an intercept on an active Conference. A Conference is active if there is at least one party joined to the Conference. This event is reported when an intercept is placed on an active Conference. Table 2: Conference-Already-Started Message Parameter
13、s Conference-Already-Started Parameters MOC DescriptionCaseIdentity M Identifies the lawful intercept. IAPSystemIdentity M Identifies the network element containing the IAP. TimeStamp M Identifies the date and time of this Conference event. Conference-ID M Identifies the Conference. Used to correlat
14、e CII messages for the lawful intercept. Conference-Parties M Identifies parties joined to the Conference. CCAddress C Provide for content interception to identify the delivery address for the Call Content. ATIS-1000042 8 6.1.3 Conference-Stopped Message The Conference-Stopped message reports the en
15、d of a Conference. A Conference ends when the last party leaves the Conference or the Conference is ended by other means (e.g., at the designated stop time of the Conference). This event is reported when the last party leaves a Conference or an active Conference is stopped. Table 3: Conference-Stopp
16、ed Message Parameters Conference-Stopped Parameters MOC DescriptionCaseIdentity M Identifies the lawful intercept. IAPSystemIdentity M Identifies the network element containing the IAP. TimeStamp M Identifies the date and time of this Conference event. Conference-ID M Identifies the Conference. Used
17、 to correlate CII messages for the lawful intercept. 6.1.4 Conference-Party-Invited Message The Conference-Party-Invited message reports when a party (or parties) is invited or referred to the Conference. This event is reported when a party (or parties) is invited or referred to the Conference. Tabl
18、e 4: Conference-Party-Invited Message Parameters Conference-Party-Invited Parameters MOC DescriptionCaseIdentity M Identifies the lawful intercept. IAPSystemIdentity M Identifies the network element containing the IAP. TimeStamp M Identifies the date and time of this Conference event. Conference-ID
19、M Identifies the Conference. Used to correlate CII messages for the lawful intercept. Conference-Parties M Identifies parties invited or referred to the Conference. 6.1.5 Conference-Party-Joined Message The Conference-Party-Joined message reports parties joined to the Conference. It is not necessary
20、 to report parties joined to the Conference if those parties have already been reported by the Conference-Started or Conference-Already-Started message. This event is reported when: A party (or parties) is joined to the Conference; A party drops and rejoins the Conference; A party that was placed on
21、 hold rejoins the Conference (i.e., retrieved from hold); or A party that was not previously reported by the Conference-Started or Conference-Already-Started message joins the Conference. ATIS-1000042 9 Table 5: Conference-Party-Joined Message Parameters Conference-Party-Joined Parameters MOC Descri
22、ptionCaseIdentity M Identifies the lawful intercept. IAPSystemIdentity M Identifies the network element containing the IAP. TimeStamp M Identifies the date and time of this Conference event. Conference-ID M Identifies the Conference. Used to correlate CII messages for the lawful intercept. Conferenc
23、e-Parties M Identifies parties joined to the Conference. 6.1.6 Conference-Party-Dropped Message The Conference-Party-Dropped message reports parties dropped from the Conference or placed on hold. This event is reported when a party (or parties) is dropped from the Conference, or when a party is plac
24、ed on hold. Table 6: Conference-Party-Dropped Message Parameters Conference-Party-Dropped Parameters MOC DescriptionCaseIdentity M Identifies the lawful intercept. IAPSystemIdentity M Identifies the network element containing the IAP. TimeStamp M Identifies the date and time of this Conference event
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