Northwestern Bell Big Button W/Braille 20200 IP-Telefon IP-Telefon Northwestern Bell

Polycom Strata DK/CTX 2020-SD IP-Telefon IP-Telefon Polycom

NEC Electronics America Telephone ND-20292 IP-Telefon IP-Telefon NEC

Toshiba 2020-SD IP-Telefon IP-Telefon Toshiba

ZyXEL Communications P-2024 IP-Telefon IP-Telefon ZyXEL Communications