Grandstream Networks 200 Series IP-Telefon Grandstream Networks 200 Series IP-Telefon IP-Telefon Grandstream Networks
NEC Electronics America Telephone DS1000/2000 IP-Telefon NEC Electronics America Telephone DS1000/2000 IP-Telefon IP-Telefon NEC
Grandstream Networks Grandstream GXP-2000 IP-Telefon Grandstream Networks Grandstream GXP-2000 IP-Telefon IP-Telefon Grandstream Networks
AT&T 210 Corded Trimline Phone 210 IP-Telefon AT&T 210 Corded Trimline Phone 210 IP-Telefon IP-Telefon AT&T
Grandstream Networks Grandstream BudgeTone 200 IP-Telefon Grandstream Networks Grandstream BudgeTone 200 IP-Telefon IP-Telefon Grandstream Networks