DAG1000/DAG2000 Series VoIP analog gateway are IP-based access gateway. Provide a low cost, simple operation VoIP solutions for small business, the family office, remote office and branch businesses. DAG FXO series can connect with the traditional telephone, fax and traditional analog PBX through standard voice interface, and provide high quality voice service.DAG1000/DAG2000 series VoIP access gateway adopt standard SIP protocol and compatibility with most of the IPPBX and network platform based on SIP.

Key Benefits

•Primary and secondary SIP account•Flexible setup FXO port group•IP trunk

Flexible routing and manipulation

•Data/Voice/Management VLAN•Voice and FAX all in one•SNMP•Firmware update automatically /configure update

Protocol

•SIP V2.0(RFC 3261,3262,3264)•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

Diff Serve

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 Features•Busy tone detection•No current take out stitches

detection

•Voice interrupted detection•One stage dialing•Two stage dialing•PSTN exterior ports polling•Polarity Reversal• FAS(Fake billingcorrection )•DC/AC impedance config Calls detection (BellcoreType 1&2, ETSI,DTMF)

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•SNMP

IVR local maintenance management