電話番号計画
1. Telephone numbering planA telephone numbering plan is a type of numbering scheme used in telecommunications to allocate telephone numbers to subscribers and to route telephone calls in a telephone network. A closed numbering plan, such as found in North America, imposes a fixed total length to numbers. An open numbering plan features variance in the length of telephone numbers. A dial plan establishes the expected number and pattern of digits for a telephone number.
Read “Telephone numbering plan” on English Wikipedia
Read “電話番号計画” on Japanese Wikipedia
Read “Telephone numbering plan” on DBpedia
Read “Telephone numbering plan” on English Wikipedia
Read “電話番号計画” on Japanese Wikipedia
Read “Telephone numbering plan” on DBpedia
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