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Wikipedia ですべてを見てくださいTelephone numbering plan - Wikipedia
A telephone numbering plan is a type of numbering scheme used in telecommunication to assign telephone numbers to subscriber telephones or other telephony endpoints. Telephone numbers are the addresses of participants in a telephone network, reachable by a system of destination code … 詳細
National or regional telecommunication administrations that are members of the International Telecommunication Union (ITU) use national telephone numbering plans that conform to international standard 詳細
Signaling in telecommunication networks is specific to the technology in use for each link. During signaling, it is common that additional information … 詳細
The E.164 standard of the International Telecommunication Union is an international numbering plan and establishes a 詳細
Like a public telecommunications network, a private telephone network in an enterprise or within an organizational campus may implement … 詳細
While a telephone numbering plan specifies the digit sequence assigned to each telephone or wire line, establishing the network addresses … 詳細
CC-BY-SA ライセンスに準拠した Wikipedia テキスト 北米電話番号計画 - Wikipedia
ウェブ北米電話番号計画 （ほくべい でんわばんごう けいかく、 英 ：North American Numbering Plan, NANP）は、 アメリカ合衆国 とその海外領土、 カナダ 、 西インド …
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Original North American area codes - Wikipedia
ウェブNumbering plan areas. By 1945, initial concepts for a nationwide numbering plan anticipated a division of the continent into between fifty and seventy-five numbering …
- Each NPA is identified by one or more numbering plan area codes (NPA codes, or area codes), consisting of three digits that are prefixed to each local telephone number having seven digits. A numbering plan area with multiple area codes is called an overlay.en.wikipedia.org/wiki/List_of_North_American_Numbering_Plan_area_codes
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North American Numbering Plan - Wikiwand
ウェブThe North American Numbering Plan (NANP) is a telephone numbering plan for twenty-five regions in twenty countries, primarily in North America and the Caribbean. This …
North American Numbering Plan General Management and ...
ウェブ2012年12月3日 · The North American Numbering Plan (NANP) is the basic numbering scheme permitting interoperable telecommunications services within the U.S., Canada, …
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