The Difference Between Open And Closed Dialing Systems

Categories: Uncategorized | April 19th, 2008 | by admin | no comments

An open dialing plan occurs when long distance phone calls and local phone calls require different arrangements. Therefore, if you are calling a number within the same city, only the number must be dialed. However, in the case where calls must be made outside the city, an area code must be dialed. When calling from outside the area, a trunk code is required. The trunk code usually begins with the number “0”. The trunk code is not used when calling from outside the country, as it is replaced by the country code.

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