Cost effective Asterisk based IP PBX for small to medium enterprise, 5 years plus Asterisk ... intelligently, working more efficiently. In additional, ECYB E@se IP Office system provide flexible outbound routing, largely reduce telecommunication ... .1q, 802.2, 802.3af, 802.11, IP, IP-ToS, DiffServ, TCP/IP, UDP/IP, DHCP, DNS, PPPOEFeatures Follow meYESYESVoice conferenceYESYESAutomatic Call Distribution ...