Vigor2930VSn comes with IP-PBX 1. Dual-WAN * Outbound Policy-Based Load-Balance * BoD ( Bandwidth on Demand ) * WAN Connection Fail-over 2. SSL VPN * Up to 30 SSL VPN Tunnels * SSL Web Proxy 3. VoIP * Protocol : SIPv2 ( RFC3261 ) , RTP / RTCP * 12 SIP Registrars * G.168 Line Echo-cancellation * Automatic Gain Control * Jitter Buffer ( 125ms ) * Voice Codec : o G.711 A / µ law o G.723.1 o G.726 o G.729 A / B o VAD / CNG * Tone Generation and Detection : DTMF, Dial , Busy , Ring Back , Call Progress * DTMF Tone : o In Band / Out Band ( RFC-2833 ) / SIP Info * FAX / Modem Support : o G.711 Pass-Through o T.38 for FAX * Supplemental Services : o Call Hold / Retrieve o Call Waiting o Call Waiting with Caller ID o Call Transfer o Call Forwarding ( Always , Busy and No Answer ) o DND ( Do not Disturb ) o Call Barring ( Incoming / Outgoing ) o MWI ( Message Waiting Indicator ) ( RFC-3842 ) o Hotline * ISDN Loop-Through * ISDN On-net / Off-net 4. Wireless Access Point * IEEE 802.11n Compliant * Wireless Client List * Access Point Discovery * WDS ( Wireless Distribution System ) * Wireless LAN Isolation * Wireless Rate-Control * 64 / 128-bit WEP * WPA / WPA2 * 802.1X Authentication with RADIUS Client * * Hidden SSID * Multiple SSIDs * MAC Address Access Control 5. ISDN * One ISDN Port Fixed for ISDN Phone and One ISDN Port Configurable for ISDN Phone / Line * Euro ISDN Compatible * Automatic ISDN Backup * Support 64 / 128Kbps ( Multilink-PPP ) / BoD ( Bandwidth on Demand ) * Remote Dial-In / LAN-to-LAN Connection * Remote Activation * Bypass the Upper and Lower ISDN Port During Power Cut 6. WAN Protocol * DHCP Client * Static IP * PPPoE * PPTP * L2TP* * BPA 7. Firewall * CSM ( Content Security Management ) for IM / P2P Applications * Multi-NAT, DMZ Host , Port-Redirection and Open Port * Policy-Based Firewall * MAC Address Filter * SPI ( Stateful Packet Inspection ) * DoS / DDoS Protection * IP Address Anti-spoofing * E-Mail Alert and Logging via Syslog * Bind IP to MAC Address 8. VPN * Up to 100 VPN Tunnels * Protocol : PPTP, IPSec , L2TP , L2TP over IPSec * Encryption : MPPE and Hardware-Based AES / DES / 3DES * Authentication : Hardware-Based MD5 , SHA-1 * IKE Authentication : Pre-shared Key and Digital Signature ( X.509 ) * LAN-to-LAN , Teleworker-to-LAN * DHCP over IPSec * NAT-Traversal ( NAT-T ) * Dead Peer Detection ( DPD ) * VPN Pass-Through * VPN Backup * VPN Load-balance 9. Bandwidth Management * QoS : o Guarantee Bandwidth for VoIP o Class-based Bandwidth Guarantee by User-Defined Traffic Categories o DiffServ Code Point Classifying o 4-level Priority for each Direction ( Inbound / Outbound ) o Bandwidth Borrowed * Bandwidth / Session Limitation 10. Network Management * Web-Based User Interface ( HTTP / HTTPS ) * Quick Start Wizard * CLI ( Command Line Interface, Telnet / SSH* ) * Administration Access Control * Configuration Backup / Restore * Built-in Diagnostic Function * Firmware Upgrade via TFTP/FTP * Logging via Syslog * SNMP Management MIB-II 11. Content Filter * URL Keyword Blocking ( White List and Black List ) * Java Applet , Cookies , Active X , Compressed , Executable , Multimedia File Blocking * Web Content Filter ( SurfControl ) * Time Schedule Control 12. Network Features * DHCP Client / Relay / Server * Port-based VLAN * Dynamic DNS * NTP Client * Call Scheduling * RADIUS Client * DNS Cache / Proxy * UPnP * Routing Protocol : o Static Routing o RIP V2