SPECIFICATION

Analog Interface

• Call Hold, Call Waiting, Call Pickup Management/Configuration
• DVG-6004S: 4 RJ-11 FXO ports Call Forward - Unconditional, Busy, No Answer Web-based & Telnet user interfaces with password
• DVG-6008S: 8 RJ-11 FXO ports Call Transfer - Unattended, Attended authentication
• Loop start signaling protocol Speed Dialing, Repeat Dialing, Three Way Calling (Media Configuration, port status, registration status,
• Reversed polarity detection Server required) hardware/software information in web-based & Telnet UI
• IVR (Interactive Voice Response) configuration engine
• Voice Features Reset button (factory default setting restoration)
• SIP (RFC3261) compatible WAN Port Optional Auto Provisioning Server (APS) for mass
• SIP method: ACK, BYE, CANCEL, INFO, INVITE, NOTIFY, RJ-45 10/100BASE-TX Ethernet port supporting Nway deployment with less dispatch
• OPTIONS, auto-negotiation, auto-detection/adjustment of MDI/MDIX SNMP v.1/v.2c support
• PING, PRACK, PUBLISH, REFER, REGISTER, Static IP, PPPoE, PPtP, Bigpond Cable and DHCP address Ping test
• SUBSCRIBE, UPDATE assignment support
• SIP Extension: Session Timer (UPDATE or re-INVITE), QoS: IP TOS (IP Precedence), DiffServ, Port Priority Diagnostic LEDs
• Proxy Required, P-Asserted (RFC3325), MWI NAT traversal: STUN, UPnP, OUTBOUND PROXY Voice ports
• (RFC3842) Pass-through NAT WAN port
• Voice CODEC: G.711 a /u law, G.726, G.729A, G.723.1 NAP: (Network Time Protocol RFC 1305), accepts up to LAN ports
• CNG (Comfort Noise Generation) 3 Time Servers Time Zones Run
• VAD (Voice Activity Detection) DDNS: DynDns.org, TZO, PeanutHull, 3322.org. Power
• Silence suppression/detection RTP Packet Summary: packet sent, packet received, Alarm
• G.165/G.168 echo cancellation packet loss
• Adaptive Jitter Buffer and programmable Gain Control MAC address clone
• In-Band DTMF, Out-Of-Band DTMF relay
• (RFC2833, SIP INFO) LAN Ports
• Multiple SIP Proxy server entries with fail-over 4 RJ-45 10/100BASE-TX Ethernet ports supporting
• mechanism NWay auto-negotiation, auto-detection/adjustment of
• T.30 (G.III) / Real time T.38 / Secured T.38 FAX relay MDI/MDIX
• DTMF, FSK (Bellcore & ETSI) Caller ID detection and NAT/PAT, DHCP Server, DMZ, Virtual Server, MAC/IP/portgeneration
• based filtering
• Caller ID Restriction (CLIR) support QoS: port based priority (Hi/Low) with rate limit
• FXO hang up detection: Busy Tone cadence auto Router or Bridge Mode learning/detection
• Single Number / Account for multiple ports DoS Prevention
• Group hunting function Attack prevention based on TCP, UDP, IP, ICMP protocols
• Digit Map Prevents SYN Flood, IP Spoofing, Ping of Death, Tear
• E.164 Numbering & ENUM support Drop DoS attacks