IP PBX,with 20 coil in and 100 out

ADSL Standards: T1.413, G.DMT (992.1), ADSL2, ADSL2+ Auto-negotiate between T1.413, G.DMT, ADSL2, ADSL2+ ADSL2+ Extended Bandwidth (24 Mbps) 8 Mbps x 1.024 Mbps in G.DMT Mode Up to 8 PVCs Memory and storage Flash ROM 8 MB RAM 32 MB WLAN Specification Protocol IEEE 802.11g/b RF Channels US: 11, ETSI: 13, Japan: 14 Security WEP(Shared; Open),40/104/232bit Encryption 802.1x Authenticator WPA,/WPA2(PSK) RF Power 20dBm 3dBi at 2.4GHz WLAN External antenna up to 4 SSIDs WDS QoS:WMM Network Interface/Function Standard IEEE 802.3 Up to 3 Ethernet LAN ports, RJ45 Up to 1 Ethernet WAN port, RJ45 10 Base-T/100 Base-TX Static IP Setting Support Static IP address setting DHCP Client Support obtaining DHCP IP address on WAN side PPPoE Client Support up to four PPPoE connections on WAN side, 8PVCs at best Support bridging WAN & LAN sides DHCP Server Support up to 253 IP addresses Support up to 5 LAN groups Support LAN group isolation Support Internet Gateway Device Static Routing Dynamic Routing RIP and RIP2 DNS Proxy NAT/NAPT Firewall Support up to 32 Port Forwarding Rules (Based on IP range/port range/protocols) Support DMZ (Demilitarized zone) policy routing based on DSCP/CoS/IP address/Port/Protocols/MAC address Support up to 32 IP Filter Rules (Based on IP range/port range/protocols) IGMP Proxy IP PBX Interface/Function Standard Telephony Service Interface;SIP: IETF RFC 3261/2327/3323/2833 Up to 1 FXS port, RJ11 Up to 1 FXO port, RJ11 Voice Codec G.711 Mu/A, G.729AB, G.723 Echo Cancellation (EC) Voice Activity Detection (VAD) Comfort Noise Generaton (CNG) Fax over IP (G.711 A) POTS Failover during power failure (FXO <-> FXS) Lifeline (Emergency numbers are automatically routed to FXO) Support registered by up to 100 SIP clients Support registering to up to 20 SIP servers. DTMF Inband RFC2833 Support VoIP QoS with ToS mechanism Support dialplan customization Voicemail Support up to total 30 minutes long voicemail & 1 minute long for each voicemail Support transport voicemail to an email IP PBX,VoIP SIP PBX,IP PBX,with 20 coil in and 100 out