ðə dˌiːsˌiːˌɛmˈiː fˌʌŋkʃənˈælᵻɾi, fɹʌmðə pˈɔɪnt ʌv vjˈuː ʌvðə tˈɛlᵻfˌoʊn swˈɪtʃ ɐtˈætʃt tʊ ɪts lˈoʊkəl ˈɪntɚfˌeɪs, ɪz stˈændɚdˌaɪzd baɪ ˌaɪtˌiːjˈuːtˈiː ɹˌɛkəmɛndˈeɪʃən kjˈuː.fˈɪfti.
The DCME's functionality, from the point of view of the telephone switch attached to its local interface, is standardised by ITU-T Recommendation Q.50.