ITU-T Q 101-1988 FACILITIES PROVIDED IN INTERNATIONAL SEMI-AUTOMATIC WORKING《国际半自动工作方式中所提供的性能》.pdf

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1、INTERNATIONAL TELECOMMUNICATION UNION)45G134 1 TELECOMMUNICATIONSTANDARDIZATION SECTOROF ITU%.%2!,G0G02%#/-%.$!4)/.3G0G0/.G0G04%,%0(/.%37)4#().G0G0!.$G0G03).!,).#,!53%3G0G0!00,)#!“,%G0G04/G0G0)45G134G0G034!.$!2$3934%-3b) incoming operators;c) delay operators;d) assistance operators;e) information or

2、 special service operators.1.1.2 The outgoing operator controls the setting up of calls at the outgoing exchange. (From the operating point ofview she is, in general, the controlling operator and is sometimes so referred to in the Instructions.)She must be able to set up calls to any one of the foll

3、owing points in the called country:a) subscribers;b) incoming operators at the incoming international exchange;c) delay operators, especially a particular delay operator at the incoming international exchange;d) incoming operators at a local manual exchange in the called country;e) information or sp

4、ecial service operators.The outgoing operator should be able to recall incoming and delay operators on calls set up via theseoperators, by sending a forward-transfer signal as defined in the relevant system specifications.1.1.3 The incoming operator1)at the incoming international exchange is obtaine

5、d by using a special code 11 signalor a special number. The code 11 signal is a particular combination provided by the signal code. This operatorperforms the functions of an incoming operator in ordinary manual service for those calls which cannot be routedautomatically at the incoming international

6、 exchange.1.1.4 The delay operator is obtained by using a special code 12 signal, or a special number. The code 12 signal is aparticular combination provided by the signal code. The delay operator may be:- any of the operators of this category;- or a particular operator, or one of those operating a

7、particular group of positions; her position or hergroup of positions is then indicated by a number which follows the code 12 signal or is indicated by thespecial number.With respect to the direction in which a required call is set up, the delay operator may be at the outgoinginternational exchange a

8、nd may be called by an operator at the incoming international exchange. From the technicalpoint of view and as far as signalling is concerned, however, the delay operator at the outgoing international exchangecalled back by an operator at an incoming international exchange must be regarded as being

9、at the incoming end of theinternational circuit over which she has been called back.1.1.5 Notes on incoming and delay operatorsa) Incoming and delay operators must be able to speak the service language used for the route concerned, andhence may have to belong to a particular language group. A langua

10、ge (or information) digit, from 1 to 8, sent on all_1)Called alternatively in French “opratrice translatrice“, see Instructions for the International Telephone Service (art. 125).2 Fascicle VI.1 - Rec. Q.101semi-automatic calls, is used to obtain operators of a particular language group see Recommen

11、dation Q.1042).b) It may be the same operator who acts as an incoming and as a delay operator, and even as an assistanceoperator. She enters a circuit in any of these capacities in response to the appropriate signal.c) While an incoming or delay operator is being called, the national ringing tone of

12、 the incoming country mustbe sent back over the international circuit.1.1.6 The assistance operator at the incoming international exchange enters a semi-automatic circuit on a callalready set up, when requested by the outgoing operator, because of language difficulties or, for instance, when she isr

13、equired to interpret a national tone. Access to an assistance operator at an international transit exchange is notpossible.The assistance operator is called by a forward-transfer signal, sent by the outgoing operator when, for.example, she operates a key on the outgoing position. An assistance opera

14、tor in a required language group is obtainedin conjunction with the forward-transfer signal by the language digit (or information) sent previously during the settingup of the call. Hence the incoming relay set must store the language digit (or information).The outgoing operator receives no indicatio

15、n to show that the assistance operator is being called, or to showwhen she answers or withdraws from the circuit, but if necessary the outgoing operator can send the forward-transfersignal several times on the same call.The assistance operator must be able:a) to break into the call as a third party

16、(this she would do, for example, when the language spoken in thecountry of arrival is other than the service language used in that relation, and the operator intervenes asan interpreter);b) to enter a circuit on one side only after having isolated the other. She does this, in particular, when shetra

17、nslates a verbal announcement or interprets an audible tone returned from the incoming end.In no circumstances will the assistance operator be able to block the international circuit.Note - It should be noted that the term “assistance operator“ has a very definite meaning in CCITT documents.It stand

18、s for an operator who breaks in, as required, as a third party in a circuit already set up. Hence this operator mustnot be confused with any other operator in the incoming country who may help to set up the call in conjunction withthe international outgoing operator. Assistance operators may not be

19、available on intraregional circuits.1.1.7 The information or special service operator of the country of destination is obtained by using a specialnumber. This operator is responsible for giving details concerning subscriber number and miscellaneous inquiries._2)The language digit may not be used on some intraregional circuits.