... control,802.1p, DSCPFirewall IP/MAC binding for anti ARP spoofingIP/MAC filtering, website filteringIP PBX features:Auto Attendant IVR with time ... direct call pick-up, group call pick-upMaking call Intercom, calling with PIN, emergent call, speed dial, select trunk with ... IMS/NGN, Registration per client/deviceMulti-site Inter-site calling via IP network, outbound trunk sharingSoft Pad Click to call, ...