Lapho ubhalisa ekuqinisekisweni kwezinto ezimbili, bekufanele uqinisekise inombolo yocingo eyodwa ethembekile. Kufanele futhi ucabangele ukufaka ezinye izinombolo zefoni ongazifinyelela, njengefoni yasekhaya, noma inombolo esetshenziswa yilungu lomndeni noma umngani osondelene naye.
- Iya kokuthi Izilungiselelo
> [igama lakho]> Iphasiwedi nokuphepha.
- Thepha Hlela (ngenhla kohlu lwezinombolo zocingo ezethembekile), bese wenza okukodwa kokulandelayo:
Izinombolo zefoni ezethembekile aziwatholi ngokuzenzakalela amakhodi wokuqinisekisa. Uma ungakwazi ukufinyelela noma yimaphi amadivayisi athenjiwe lapho usetha idivayisi entsha yokufakazela ubuqiniso bezinto ezimbili, thepha “Awutholanga ikhodi yokuqinisekisa?” kudivayisi entsha, bese ukhetha eyodwa yezinombolo zakho zefoni ezethembekile ukuthola ikhodi yokuqinisekisa.