Bidhaa
- Mawasiliano ya simu ya vituo
- Namba intercommunication vifaa, kipaza sauti aina
- Namba intercommunication vifaa, kuwachagua
- Namba intercommunication vifaa, moja kwa moja hotuba
- Namba intercommunication vifaa, push-button aina
- Namba intercommunication vifaa, viwanda
- Videophones