| 摘要 |
In a telecommunications switching system, after a non-published listing has been located in response to a request from a calling customer station and after the calling c ustomer has been qualified, a connection is set up between the calling customer station and a cus tomer station identified by the listing. Qualified callers are those callers who satisfy at le ast one specified condition or criterion. Illustratively, the condition specified may be that the call must be placed from a telephone located within a geographic region from which the customer stat ion identified by the listing is willing to accept calls. Alternatively, where the customer sta tion identified by the listing is a cellular telephone, the condition may be that the calling custo mer accepts all charges associated with the cellular communication link. The directory assistanc e call is completed without announcing the non-published number to the calling customer.
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