Calling Signaling :Support H.323/MGCP/SIP/H248 protocols, each of them can upgrade one another Ethernet ports:2*10/100 Base-T(1*10 Base-T optional on 8/16 ports for billing,2*10/100 Base-T more on 32 ports, each 16 ports on MG6032 can according to separate 2*10/100Base-T) Audio Encode: ITU G.711(A-law,u-law)G.723,G.729 Qos:IEEE802.1p,IEEE802.1Q,VLAN,IPV4,ToS Echo canceling:25ms-128ms Network Protocol:RTP/RTCP,DHCP.PPPoE,FTP,TFTP,HTTP Features: Support simultaneous calling at full capability Support FXS/FXO numbers to your need The compensation of lost package Has the precedence of processing voice Supports static/dynamic NAT translate Supports Jitter Buffer to remove network jitter Supports static IP address configuration Supports PPPoE (Point to Point Protocol over Ethernet)/DHCP (Dynamic Host Configuration Protocol) Server, PPPoE/DHCP automatically redials when dropped calls happens Supports software upgrade by coming online Self-learn MAC address Capacity to define a virtual MAC Two numbers in one device Supports call waiting, call transfer, the abbreviation of dialing number, remote control Support multiple access modes: IP private line, ADSL dialing, Cable Modem Support IP voice (long-distance) bypass which bases on FXO Support T.30,T.38 Fax and Fax Permeability Multiple management mode: support SNMP NMS(English or Chinese), Web (English or Chinese),Telnet,RS-232,remote online upgrade Flexible, accurate billing systems: support standard billing by reverse polarity, personal billing mode basing on Console, and save billing list Support VLAN, prevent from Network broadcast storm, assure data packing of voice and security of the equipment The authentication of H.323 ID, prefix, caller and IP bases on gateway, the authentication of SIP protocol, HTTP and Digest, the authentication of MGCP gateway, assure the validity of accessing gateway Manages the right of users in classification, assures the credibility of configuration.