A trunk prefix is a digit sequence to be dialed before a telephone number to initiate a telephone call for the purpose of selecting an appropriate telecommunications circuit by which the call is to be routed. == Methodology == Telecommunication networks evolved from small, locally designed and managed networks within a city, region, state, province, etc.
A trunk prefix is a digit sequence to be dialed before a telephone number to initiate a telephone call for the purpose of selecting an appropriate telecommunications circuit by which the call is to be routed. == Methodology == Telecommunication networks evolved from small, locally designed and managed networks within a city, region, state, province, etc.
Source: Wikipedia "Trunk prefix" · CC BY-SA 4.0
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