... ,DHCP,SNMP Management mode: WEB,Telnet command line,Console for super terminal and NMS Voice processing Technology l CODEC: G.711 ... AGC l Support dynamic JITTER BUFFE Security l Embedded firewall module, packet filter, IP port shielding, anti URL attack Support signaling ... protocol from l CISCO,Notel,Lucent,ZTE,Huwei,UT. Power supply l VDC: 12V l DC current(max): 2 Amp l Passive ...