NEC Electronics America Telephone 120 IP-Telefon NEC Electronics America Telephone 120 IP-Telefon IP-Telefon NEC
Grandstream Networks Grandstream GXP-1200 IP-Telefon Grandstream Networks Grandstream GXP-1200 IP-Telefon IP-Telefon Grandstream Networks
British Telecommunications (BT) Telephone BT DECOR IP-Telefon British Telecommunications (BT) Telephone BT DECOR IP-Telefon IP-Telefon BT
British Telecommunications (BT) Telephone 500 IP-Telefon British Telecommunications (BT) Telephone 500 IP-Telefon IP-Telefon BT