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en.wikipedia.org/wiki/International

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Posted by saqlain231

wordnet.princeton.edu/perl/webwn

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Posted by crouse

I think it is one of four traditional regulated toll carrier service categories Considered to be the most highly regulated of all toll services.

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Posted by HamidAliKhan

Yes it is one of four traditional regulated toll carrier service categories Considered to be the most highly regulated of all toll services.

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Posted by waqqas1

One of four traditional regulated toll carrier service categories Considered to be the most highly regulated of all toll services.

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Posted by anish_kris