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Interstate long-distance or inter-LATA interstate long-distance, the most common group, is the one for which long-distance carriers are usually chosen by telephone customers. Another form of long-distance call, increasingly relevant to more U.S. states, is known as an inter-LATA intrastate long-distance call. This refers to a calling area ...
The plan divided most of North America into eighty-six numbering plan areas (NPAs). Each NPA was assigned a unique three-digit code, typically termed NPA code or simply area code. These codes were first used in Operator Toll Dialing by long-distance operators in establishing calls via trunks between toll offices. The goal of automatic service ...
The E.164 standard of the International Telecommunication Union is an international numbering plan and establishes a country calling code (country code) for each member organization. Country codes are prefixes to national telephone numbers that denote call routing to the network of a subordinate number plan administration, typically a country ...
For overlay numbering plans the area code must be dialed before the local telephone number. Long distance dialing requires the dialing of 1, the three-digit area code, and the seven-digit local number. International numbers of any length are dialed starting with 011.
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Worldwide distribution of country calling codes. Regions are coloured by first digit. Telephone country codes, originally termed International Codes by the International Telegraph and Telephone Consultative Committee (C.C.I.T.T.) in 1960, [1] but also sometimes referred to as "country dial-in codes", or historically "international subscriber dialing" (ISD) codes in the U.K., are telephone ...
At the other end of the quality spectrum is a route using VoIP over the long-distance satellite link terminating in an ISP using a leaky PBX to terminate the calls. VoIP packets contain a lot of signaling overhead: to carry the 64k of data packet a conventional telecoms network transmits needs around 100k of bandwidth with VoIP.
Yes, calls to int'l #s available through BOSS International Long Distance [151] Speeds limited to around 1.5 Mbit/s up/down on Lifeline Plans. Formerly Boomerang Wireless.