User`s manual

DVG-7022S/7044S/7062 User’s Manual Appendix
Appendix
Product Features
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-crossover RJ 45 Ethernet ports
• Supports router and bridge mode (NAT mode and Non-NAT mode)
• 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
• 2FXS/2FXO(DVG-7022S), 4FXS/4FXO(DVG-7044S) and 6FXS(Foreign eXchange
Station)/2FXO(Foreign eXchange Office)(DVG-7062) 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 (FXO/PSTN) and generation (FXS)
• T.30 (G.III) / Real time T.38 / Secured T.38 FAX relay
• DTMF, FSK (Bellcore & ETSI) Caller ID detection and generation.
• Support Caller ID Restriction (CLIR)
• Digit Map for dial plan
• Speed Dial
• Local phone book for peer-to-peer calling
• E.164 Numbering & ENUM support
• Hot-Line, Warm-Line support
• Single Number / Account (reprehensive number) for multiple ports
• Recordable greeting message
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