ɪn təlˈɛfəni, ɐn ˌɪntɚnˈæʃənəl ɡˈeɪtweɪ ɛkstʃˈeɪndʒ ɪz ɐ tˈɛlᵻfˌoʊn swˈɪtʃ ðæt fˈɔːɹmz ðə ɡˈeɪtweɪ bᵻtwˌiːn ɐ nˈæʃənəl tˈɛlᵻfˌoʊn nˈɛtwɜːk ænd wˈʌn ɔːɹ mˈoːɹ ˈʌðɚɹ ˌɪntɚnˈæʃənəl ɡˈeɪtweɪ ɛkstʃˈeɪndʒᵻz, ðˈʌs pɹəvˈaɪdɪŋ kɹˈɔsbˈoːɹdɚ kɑːnɪktˈɪvᵻɾi.
In telephony, an international gateway exchange is a telephone switch that forms the gateway between a national telephone network and one or more other international gateway exchanges, thus providing cross-border connectivity.