Product Features - D-Link DVG-5004 Operation Manual

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Product Features

● SIP (RFC 3261) compliant
● Supports 2 / 4 / 8 simultaneous FAX / Voice calls (port number differs between models)
● 4 Ethernet switch ports with IP sharing functions
● Optional server enables small businesses to build up private VoIP network (SIP model)
● QoS support guarantees voice bandwidth in a busy network
● Supports IP TOS (Type Of Service)
● Internet gateway functions: DHCP server, NAT, Virtual Server, DMZ, IP/PORT/MAC filtering
● T.30 (G III) / Real Time T.38 / Secured T.38 Fax Relay
● Feasible for Fixed IP address or dynamic IP address network ( PPPoE / DHCP client, support DDNS)
● Configurable Hot Line feature
● Supports IP-to-PSTN / PSTN-to-IP applications
● Life-Line support (IP / power failure over relay)
● NAT traversal - STUN and UPnP (optional)
● Pass through NAT
● Call Detailed Records (CDR)
● Web-based firmware upgrade
● Caller ID Delivery
● Easy Configuration by IVR and Web-based GUI
● Greeting message
● Echo Cancellation: G.168 compliant
● Voice Activity Detection (VAD) & Comfort Noise Generation (CNG)
● Dialing: DTMF, PULSE (optional)
● Signaling Protocol: Loop Start
● Adaptive Jitter Buffer and Programmable Gain Control
● Internet Gateway Functions : DHCP server, NAT, Virtual Server, DMZ, IP/PORT/MAC filtering
CALL features (optional)
● Call hold
● Call waiting
● Call forward
- Unconditional (follow me)
- Busy forward
- No answer forward
● Call transfer
SIP Operation Manual V2.6