Future technological developments or an increased use of number-independent interpersonal communications services could entail a lack of sufficient interoperability between communications services.
D'fhéadfadh easpa idir-inoibritheacht leordhóthanach idir seirbhísí cumarsáide a bheith i gceist le teacht chun cinn na teicneolaíochta amach anseo nó méadú ar úsáid seirbhísí cumarsáide idirphearsanta neamhspleách ar uimhir.