Importance

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Abstract

In a designated channel terminating method and apparatus, a B channel to which a call is to be terminated is determined by referring to a registration table in terminating processing of the call. Telephone numbers are registered in the registration table upon registration/designation by subscribers via subscriber circuits or registered by a registering operation through a terminal in a switching center. The method includes a permission/exclusion selecting step and a preferential/absolute selecting step. In the permission/exclusion selecting step, it is checked whether a purpose of registration with respect to said registration table is to designate a B channel to which a call from a specific calling party is to be terminated or designate a B channel to which the call should not be terminated. In the preferential/unconditional processing selecting step, it is determined whether B channel designation is to be preferentially or absolutely processed.

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First Claim