wˈɛɹæz ˌɪntɚnˈæʃənəl ɡˈeɪtweɪ ɛkstʃˈeɪndʒᵻz ɑːɹ kˈɑːmənli ˈɪmplɪməntᵻd jˈuːzɪŋ hˈɑːɹdwɛɹ ðæt kʊd ˈɔːlsoʊ sˈɜːv tə bˈɪld ɐ klˈæs fˈoːɹ nˈæʃənəl tɹˈænsɪt swˈɪtʃ, sˌʌm ʌvðə dˈɪfɹənsᵻz bᵻtwˌiːn ɐn ˌɪntɚnˈæʃənəl ɡˈeɪtweɪ ɛkstʃˈeɪndʒ ænd ɐ klˈæs fˈoːɹ swˈɪtʃ ɪŋklˈuːd:
Whereas international gateway exchanges are commonly implemented using hardware that could also serve to build a Class 4 (national transit) switch, some of the differences between an international gateway exchange and a Class 4 switch include: