DVG-6004S/6008S User’s Manual Appendix
Appendix
Product Features List
WAN
• One 10/100Mbps auto-negotiation, auto-MDI/MDIX RJ-45 Ethernet port
• Support static IP, PPPoE, BigPond Cable and DHCP address assignment and dynamic DNS
(DDNS)
• QoS: IP TOS (Type of Services) and DiffServ (Differentiated Services) for both SIP
signaling and RTP
• NAT Traversal : Port Forwarding, STUN, UPnP and Outbound Proxy
• NTP: (Network Time Protocol RFC 1305), Accepts up to 3 Time Server
• Time Zone Support
• MAC Address Clone
• RTP Packet Summary : packet sent, packet received, packet loss for voice quality
analysis
LAN
• Four 10/100Mbps auto-negotiation, auto-MDI/MDIX RJ 45 Ethernet ports
• DHCP server
Advance Firewall and DoS Protection
• NAT (Network Address Translation) and PAT (Port Address Translation)
• DMZ, Virtual Server
• Traffic Filtering based on MAC address, IP address, TCP/UDP Port number and URL string
pattern
• Prevents attacks based on TCP, UDP, IP and ICMP protocols
• Prevents attacks such as SYN Flood, IP Spoofing, Ping of Death, Tear Drop, etc.
Voice Features
• 4/8 FXO (Foreign eXchange Office) ports
• SIP (RFC3261) compatible
• Voice codecs : G.711 a/ulaw, G.726, G.729A, G.723.1
• CNG (Comfort Noise Generation)
• VAD (Voice Activity Detection)
• G.165/G.168 echo cancellation
• Adjustable Jitter Buffer and programmable Gain Control
• In-Band DTMF, Out-Of-Band DTMF relay (RFC2833, SIP INFO)
• Multiple SIP Proxy server entries with failover mechanism
• Polarity reversal detection
• T.30 (G.III) / Real time T.38 / Secured T.38 FAX relay
•
DTMF, FSK (Bellcore and ETSI) Caller ID detection.
• Support for Caller ID Restriction (CLIR)
• Digit Map for dial plan
• Local phone book for peer-to-peer calling
• E.164 Numbering and ENUM support
• Hot-Line, Warm-Line support
• Single Number / Account (representative number) for multiple ports
• Recordable greeting message
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