日本邮政省制定了利用有线电视网的电话业务的事业方针。参加这项事业者需要取得第一种电信事业者的资格。加入者的电话号码与日本电话电报公司(NTT)的一样;如果原来是市内电话局号码,则要使用邮政省指定的号码。至于与 Japan’s Ministry of Posts and Telecommunications sets out a business guideline for the telephone business using cable networks. To participate in this business need to obtain the first qualification of telecommunications operators. The subscriber’s telephone number is the same as that of the NTT; if it is originally a local telephone number, the number designated by the Postal Ministry is used. As for