However, the four years that elapsed between the publication of ASCII-1963 and ISO's first acceptance of an international recommendation during 1967 caused ASCII's choices for the national use characters to seem to be de facto standards for the world, causing confusion and incompatibility once other countries did begin to make their own assignments to these code points.
haʊˈɛvɚ, ðə fˈoːɹ jˈɪɹz ðæt ᵻlˈæpst bᵻtwˌiːn ðə pˌʌblɪkˈeɪʃən ʌv ˈæski nˈaɪntiːnhˈʌndɹɪd sˈɪksti θɹˈiː ænd ˌaɪˌɛsˈoʊz fˈɜːst ɐksˈɛptəns əvən ˌɪntɚnˈæʃənəl ɹˌɛkəmɛndˈeɪʃən dˈʊɹɹɪŋ nˈaɪntiːnhˈʌndɹɪd sˈɪksti sˈɛvən kˈɔːzd ˈæski tʃˈɔɪsᵻz fɚðə nˈæʃənəl jˈuːs kˈæɹɪktɚz tə sˈiːm təbi də fˈæktoʊ stˈændɚdz fɚðə wˈɜːld, kˈɔːzɪŋ kənfjˈuːʒən ænd ɪŋkəmpˌæɾəbˈɪlᵻɾi wˈʌns ˈʌðɚ kˈʌntɹiz dˈɪd bɪɡˈɪn tə mˌeɪk ðɛɹ ˈoʊn ɐsˈaɪnmənts tə ðiːz kˈoʊd pˈɔɪnts.