This type of assistive technology allows users to amplify the volume and clarity of their phone calls so that they can easily partake in this medium of communication.
ðɪs tˈaɪp ʌv ɐsˈɪstɪv tɛknˈɑːlədʒi ɐlˈaʊz jˈuːzɚz tʊ ˈæmplᵻfˌaɪ ðə vˈɑːljuːm ænd klˈæɹᵻɾi ʌv ðɛɹ fˈoʊn kˈɔːlz sˌoʊ ðæt ðeɪ kæn ˈiːzili pɑːɹtˈeɪk ɪn ðɪs mˈiːdiəm ʌv kəmjˌuːnɪkˈeɪʃən.