| 摘要 |
A telecommunications service control unit within which a plurality of controllers classified for service items are included makes quite easy to add a new telecommunications device under the same service control unit. Each control procedure of a controller corresponding to respective telecommunications device is standardized and also encoded as a result of classification of standardized procedure. Designating another code for calling out controller corresponding to the control procedure code, a conversion table between control procedure codes and call out code is provided for service control interface of corresponding classified service item. Service control controller which instructs all classified controllers applies the procedure codes to instruct corresponding service control interface and the instructed service control interfaces apply the call out code for call out the instructed specific controller. Accordingly, addition of new telecommunications device requires only to arrange controller for the new device and to modify the contents of the conversion table at the corresponding service control interfaces.
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