ðə pˈɜːpəs ʌvðə tɹˈiːɾi wʌz tə jˈuːnɪfˌaɪ dˈɪspɚɹət pˈoʊstəl sˈɜːvɪsᵻz ænd ɹˌɛɡjʊlˈeɪʃənz sˌoʊ ðæt ˌɪntɚnˈæʃənəl mˈeɪl kʊd biː ɛkstʃˈeɪndʒd fɹˈiːli.
The purpose of the treaty was to unify disparate postal services and regulations so that international mail could be exchanged freely.