CEPT T SF 2 E-1992 Subscriber Control Procedures for Supplementary Services in Modern Telecommunications System (T CAC 02 E)《补充业务补充业务用户控制程序(T CAC 02 E)》.pdf
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1、CEPT T/SF*2*E 92 M 2326434 0032bb Ob3 D T/SF 2 E (TICAC 02 E) Page 1 Recommendation T/SF 2 .T/CAC 02) (Puerto de la Cruz 1974, revised in Stockholm 1976 and 1977, in Brussels 1980, in Innsbruck 1981, in Madrid 1991 and in Amsterdam 1991) 0- SUBSCRIBER CONTROL PROCEDURES FOR SUPPLEMENTARY SERVICES IN
2、 MODERN TELECOMMUNICATIONS SYSTEM Recommendation proposed by the Coordination Group “CAC/BUS” Text of the Recommendation adopted by the “Commercial Action Committee” (CAC), “The European Conference of Postal and Telecommunications Administrations, considering - Recommendation T/SF 1 E (T/CAC O1 E),
3、- the user use of the telephone/terminal, - that the introduction of electronic or semi-electronic telephone exchanges will enable a certain number of new supplementary services to be offered to subscribers, - that access to these supplementary services will be provided by push-button telephone sets
4、 equipped with 12 or 16 push-buttons, according to CCITT Recommendations E.161 and 4.23, and to operate some supplementary services may need the use of a register recall push-button followed by switching orders (SO). This push-button is separate from the 12 or 16 push-buttons and marked with the sym
5、bol R, - that subscribers will be able to control these supplementary services by dialling specific combinations of *, #, R and digits, - that non-uniform use of the it and # symbols in different countries could give rise to problems in case of intercommunication between two national systems and lea
6、d to difficulties for subscribers who travel or move abroad, - that a simple procedure structure based on considerations which take account of human factors, will encourage customers to greater use of supplementary services, with a minimum of mistakes, and will prevent difficulties for network opera
7、tors when preparing operating/commercial documentations for subscribers, - that with respect to new supplementary services, the functions to be implemented by subscribers using push-button telephone sets will be as follows: to register a service with/without activation to activate a service to deact
8、ivate a service to erase a service to interrogate a service in the exchange for: - a status check - a data check - a data request to invoke a service, e.g. to set up a call by abbreviated dialling to change a registration of a service with/without activation, O recommends - that, for all operations
9、of the telephone network, a standard subscriber control procedure format should be applied, - that the subscriber control procedures should contain the following information fields: prefix, service code, separators, supplementary information, suffix. Further supplementary information can follow afte
10、r one another divided by separators. The procedure can be illustrated in this way: P sc * SI (* SI) # Note. In some cases, the network operators may also be Administrations. O Edition of June 15, 1992 CEPT T/SF*2*E 92 m 232b4L4 L2bb8 TT8 m T/SF 2 E (T/CAC 02 E) Page 2 Legend P Prefix The following p
11、refixes are used: * Registration and activation # Erasure and deactivation * # interrogation SC Service code * Separators SI (*SI) Further supplementary information # Supplementary information, e.g. the forwarded-to number Suffix, the # should always be used as the procedure suffix; - that, if a O i
12、s used as the last supplementary information, it means registration wit,out activation or deactivation without erasure, - that the digits which follow the above procedure prefixes, beginning with the numbers O and 2-9, should be reserved for allocation by CEPT for service codes (SC) for supplementar
13、y services in modern telecommunication system, - that the service codes should consist of two, and in exceptional cases, three digits, - that the service codes used for the services in PSTN-, ISDN- and PLMN-networks should be those shown in - that, for invocation of abbreviated dialling, one of the
14、following procedures should be used: Annex 1 to this Recommendation, as a procedure prefix (prefix method) the procedure suffix # only (suffix method) The procedure can be illustrated in this way: Legend (R) SO Switching order; - that, in the use of a switching order (SO), only the supplementary inf
15、ormation field should be used. (RI so Register recall, should only be used if there is a technical need for it in the exchange - that the allocation of the switching orders (SO) in shown in Annex 2 to this Recommendation, - that the protocol for subscriber control procedures is stimulus in the sense
16、 that it does not require any knowledge about the controlled supplementary services by the subscribers terminal, - that, for the control of supplementary services in exchanges in the ISDN-network, it is possible to use stimulus protocol or to use functional protocol according to CCITT Recommendation
17、 4.932 and 1.452. Functional protocol is outside the scope of this Recommendation. DEFINITIONS - REGISTRATION O The programming by the subscriber of information to enable subsequent operation of a service. This programming action involves input of specific supplementary information. For certain serv
18、ices the registration procedure may cause activation whilst for others the service may already be in the action phase. An action taken by either the subscriber of the system to enable a process to run as and when required by the service concerned. The time during which the process is activated is de
19、fined as the active phase. During activation, the service will be either “quiescent” or “operative” according to whether or not the system is actually using the service, e.g. to divert a call, to apply call-waiting indication or to establish an alarm call. An action taken by either the subscriber of
20、 the system to terminate the process started at the activation. The deleting by the subscriber or the system of information stored against a particular service by (a) previous registration(s). The interrogation procedure allows the subscriber, on request, to receive output from the exchange giving i
21、nformation concerning the service data stored relating to his line. The interrogation function “Status Check” enables the subscriber to request confirmation of the present status of the desired service. The system returns a standard tone, an announcement (e.g. “the service is activated” or “the serv
22、ice is deactivated”) or an other indication. - ACTIVATION - DEACTIVATION - ERASURE - INTERROGATION - STATUS CHECK O Edition of June 15, 1992 CEPT T/SF*ZI*E 92 232b414 0032669 934 = TISF 2 E (T/CAC 02 E) Page 3 - DATA CHECK The interrogation function “Data Check” compares the data input by the subscr
23、iber during an interrogation procedure with the information stored in the system. The system returns a standard tone, an announcement (e.g. “Check is positive” or “Check is negative”) or an other indication. The interrogation function “Data Request” enables the subscriber to obtain conformation of t
24、his input data. The system returns an appropriate announcement (e.g. “the time of the alarm call is 06: 30”) or an other indication. An action either e.g. by the user pressing a specific button or by keying the supplementary code, or automatically by the network or terminal as a result of a particul
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