Ключ 4-х внешних IP-линий (4хH323 или 4хSIP или 2хH323+2хSIP)

ACME Active Key AddPac Advantech Ariesys ATCOM AudioCodes AVAYA Axiomtek Axtel BlueParrott Broadrack Cervoz Chinfa Cincoze Cisco Systems Cleankeys Commeng Crestron D-Link Dell Durabook ETU-Link Extreme Networks Front Man GALMAR Getac Gohigh Grafos Steel Grandstream Huahuan HW group ICOP ICP DAS IEI Technology InduKey Jabra key technology Konftel l-card LinkSys Mairdi Mean well MOXA Inc. Nexcom Optech Panasonic PLANET Plantronics Poly Polycom Raritan Sennheiser SNOM Weintek Winmate ZandZ