Since these characters are based on a draft of the ISO-8859 series, some of Microsoft's symbols are visually very similar to the ISO symbols, leading many to falsely assume that they are identical.
sˈɪns ðiːz kˈæɹɪktɚz ɑːɹ bˈeɪst ˌɔn ɐ dɹˈæft ʌvðɪ ˌaɪˌɛsˈoʊ ˈeɪt θˈaʊzənd ˈeɪthˈʌndɹɪd fˈɪfti nˈaɪn sˈɪɹiz, sˌʌm ʌv mˈaɪkɹəsˌɑːfts sˈɪmbəlz ɑːɹ vˈɪʒuːəli vˈɛɹi sˈɪmɪlɚ tə ðɪ ˌaɪˌɛsˈoʊ sˈɪmbəlz, lˈiːdɪŋ mˈɛni tə fˈɔlsli ɐsˈuːm ðæt ðeɪ ɑːɹ aɪdˈɛntɪkəl.