Product Overview
DV-2020 is Residential Integrated Access Device(IAD), providing High speed ADSL2+, VoIP, and Wireless AP into one box. Equipped with its high speed broadband, It is optimally designed for Triple Play Service(TPS) for those service provider which wants to do voice, data and IPTV service.
Special Feature

- High Speed interface (Upto 24Mbps – ADSL2+, upto 100Mps)
- Integration of ADSL2+ /Wireless / VoIP
- International Standard IP/VoIP Protocol
- Support Voice QoS
- Compatible with Various call Agents
- Support PSTN backup
- Easy to install and management

WAN Interface ADSL, ADSL2/2+, VDSL2(PON)
DSL Interface
ATM Functions
- T1.413i2, G.992.1/2/3/4, 992.5 (ADSL2+), ADSL, ADSL2/2+,
- Annex A /B/C/L/M
- CBR, VBR, UBR (8 VCs)
- RFC2684 VC-MUX, LLC/SNAP encapsulation
- RFC2364 PPP over AAL5 (PPPOA)
- RFC1577 (IPOA)
Analog Interface FXS analog 2 ports
FXO analog 1 port(Optional)
Caller ID : Bellcore, ETSI, NTT type
ISDN Interface ITU-T I.430
ITU-T Q.920 / Q.921 / Q.931
ISDN Supplementary Services
Voice RTP/RTCP, G.711a/u-law, G.723.1, G.729A
DTMF Generation/Detection, Relay (RFC2833)
Call progress /custom tone Generation
Fax Detection and Relay
Network Functions Static IP address
DHCP Client / Server for PC, PPPoE
NAT/NAPT (Port forwarding, DMZ, Port triggering)
DNS Relay and server fallback
Advanced Call Functions
(SIP only)
- Call waiting
- Call Hold
- Call Transfer
- Call Forwarding
- 3 way Conference
Lifeline Interface (optional) FXO analog 1 port(Optional)
Caller ID : Bellcore, ETSI, NTT type
Send Emergency Call to PSTN
Make a PSTN call by dialing pre-fix number
PSTN relay when device power down
PSTN relay when VoIP service is not available
Receive Incoming PSTN phone call
Dimention 205mm(W) x 170mm(D) x 37mm(H)

LAN Interface Ethernet 10/100 BT 1/4 port, USB 2.0
Ordering Information ADSL, ADSL2/2+, VDSL2(PON), 4LAN, 2FXS
1FXO(optional), 1USB host,
WLAN(802.11 b/g/n, 2~3 dipole antenna)
Video Functions Unicast / Multicast
IGMP Proxy and Leave
QoS Functions VAD/CNG, Echo cancellation
Dynamic jitter buffer, packet loss control
IP QoS, ToS, 802.11p, VLAN
Security Functions PAP/CHAP, PPTP/L2TP, lpsec/VPN pass-through
DIGEST authentication and encryption (MD5)
Firewall (IP packet filtering, port forwarding, DMZ
VoIP Functions MGCP / SIP / IUA, Call waiting, Hold, Transfer, Forwarding
Selective call routing and switching by prefix (FXO)
Life line for emergency (PSTN backup)
Advanced Call Routing
(SIP only)
Selective call routing and switching by prefix (FXO)
Life line for emergency (PSTN backup)
Provisioning Functions
Web based GUI
Multi-Level user account
SNMP, SNTP, Telnet, ftp/tftp, UPnP
Traffic statistics, tracing, debugging
Configuration backup and restore
Auto Provisioning (TR-069)
F/W Upgrade, Digit map (dial plan)
STUN and DAVOLINK Proxy server
WLAN Interface MiniPCI Type III-A IEEE 802.11 b/g/n (up to 54Mbps)
Encrypted by WPA or WEP 64/128bits
External omni-directional dipole antenna (RP-SMA)