I-KingtoneI-POI(I-Point of Interface) iyisisetshenziswa esikhetha phakathi kwamasignali ambalwa okokufaka bese siyidlulisela emugqeni ophumayo wesiginali.Isistimu yomuntu ngamunye ehlukene ingabelana ngesisombululo esifanayo sokufakwa.Igweme ukusetshenziswa okuphindaphindiwe kwenethiwekhi yesakhiwo sangaphakathi futhi yehlisa izindleko.Isihlanganisi sihambisana nemfuneko yokuhlukaniswa kwemishini engaphambili, futhi sinqanda ukusebenzisana kwesignali namasistimu amaningi futhi sithuthukise ulwazi lomsebenzisi.