Nzira yebasa inosanganisira zvinodiwa pane zvose zvikamu zvekubatanidza, zvakadai sekushanda nguva yekupindura, kurasikirwa, chiratidzo-kune-ruzha chiyero, crosstalk, echo, kukanganisa, frequency response, loudness mazinga, nezvimwewo. Chikamu chefoni QoS ndiyo giredhi rebasa (GoS) zvinodiwa, izvo zvinosanganisira zvikamu zvekubatanidza zvine chokuita nekwanisi uye kufukidzwa kwenetwork, semuenzaniso kuvimbiswa kwepamusoro kuvhara mukana uye kuvimbiswa kwekuguma. Mumunda wekombiyuta network uye mamwe mapakeji-switched telecommunication network, teletraffic engineering inoreva kukoshesa uye kuchengetedza masimba masimba panzvimbo yehutano hwebasa.
bit rate, delay, delay variation, packet loss kana bit error rates zvinogona kuvimbiswa