Physical Interfaces
• Telephone interface:DAG2000-16O: 16FXO, RJ-11
• Ethernet Interface: 4*RJ-45 10/100 Base-Tx, RJ-45

Voice & Fax
• G.711A/U law, G.723.1, G.729A/B
• Comfort Noise Generation(CNG)
• Voice Activity Detection(VAD)
• Echo Cancellation(G.168)
• Adaptive (Dynamic) Jitter Buffer
• Programmable Gain Control
• T.38/Pass-through/Modem FAX mode,Up to 14.4kbps
• DTMF mode: Signal/RFC2833/INBAND

FXO Port
• Busy tone detection
• No current detection
• Voice interrupted detection
• One stage dialing
• Two stage dialing
• Polarity Reversal
• FAS(Fake billing correction )
• Auto match fixed line impedance
• Caller ID detection (BellcoreType 1&2)

Protocol
• SIP V2.0 (RFC 3261,3262,3264)
• IMS/3GPP
• SDP (RFC 2327)
• REFER (RFC 3515)
• RTP/RTCP (RFC 1889,1890)
• STUN (RFC 3489)
• ARP/RARP (RFC 826/903)
• SNTP (RFC 2030)
• DHCP/PPPoE
• TFTP/HTTP/HTTPS
• DNS/DNS SRV (RFC 1706/RFC 2782)
• VLAN 802.1P/802.1Q

Maintain & Upgrade
• Web based configuration
• Telnet configuration
• Data backup/restore
• Support English and Chinese language
• Firmware upgrade by TFTP
• Web & telnet login password modify
• Factory reset
• Automatic time synchronization
• IVR local maintenance management

Physical propertiesPacking
Power: input:100-240V,50-60Hz,1.2A Max
• Power consumption(W): 48
• Temperature(operation): -10 ?~ 45 ?(storage): -20 ?~80 ?
• Operation Humidity: 10%-90% no condensation
• Dimension(w/D/H): 16FXO 442*280*44mm 3.0kg

Call & Routing
• FXO port group
• IP Trunk
• Primary and secondary SIP account
• 32 inbound routing rules
• 32 outbound routing rules
• Number manipulation
• Dial planl

Network Features
• Static IP, PPPoE, DHCP
• DHCP client
• IP,TCP, UDP,TFTP, FTP, TCP,ARP,RARP, Ping, NTP, SNTP, Http, DNS, Tracert
• Static/dynamic ARP

Homologation
• CE,FCC