Good price and quality  4 FXS/FXO VoIP Gateway ATA adapter

Product Description

Specifications

1.4FXO
2.Standard SIP V2.0, MGCP V1.0(option)
3.SNMP
4.Call forwarding, DND, caller ID
5.One stage dialing

• 1/2FXS/4FXS/4FXO,8FXS/8FXO,16FXS/16FXO, 32FXS multiple interfaces
• Standard SIP V2.0, MGCP V1.0 (option)protocols
• Standard G.711A/U,G.723.1,G.729A/B code
• Call forwarding, Call hold, Caller ID, DND standard voice service
• Busy tone, Power-down protection , Fault identification
• Many users sharing ADSL lines

DAG series is a versatile IP-based voice and fax gateway, it is highly integrated router, NAT, DHCP server, phone gateway functionality. Market-leading voice quality, rich functionality, and lightweight, compact design. DAG series is fully compatible with SIP industry standard, can be achieved with many other SIP compliant devices and software interoperability. In addition, it supports including G.711A / U, G.723.1 and G.729AB voice codec.

Carrier and enterprise-class devices, both low-cost VoIP service while preserving the traditional PSTN network. Especially for new VoIP and traditional PSTN operators to seize market operators.

DAG series can be with the mainstream SIP proxy server(such as Asterisk, SIP registration server, etc. ) to implement  docking. In this kind of environment, SIP server processing SIP registration and call control, DAG series access gateway can realize flow media conversion between the IP and PSTN.

Large port access gateway
 Standard SIP protocols
 Standard G.723.1,G.729A/B,PCM A/U code
 Call forwarding, Call hold, Caller ID, DND  standard voice service
 Anonymous call, Direct IP Call and Busy tone
 Fax over IP  and Three –way conferences
 
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
 
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
•Hook flash test
•Programmable Gain Control
•T.38/Pass-through/Modem FAX mode,
•Up to 14.4kbps
 DTMF mode: Signal/RFC2833/INBAND
 
Supplement Service
•Call waiting
•Call transfer(Blind  transfer, Attend Transfer , Half  blind transfer)
•Quick pick
•Call forwarding
•Hotline
•Call hold
•DND
•3-way conference(1/2/4FXS Support)
•Voice mail
 Direct IP address call
 
Call & Route
•  Port group
• IPtrunk 
• Primary and secondary SIP account
•  32inbound routing
•  32 outbound routing
•  Number manipulation
  Dial plan set
 
Maintain & Upgrade
•Web based configuration
•Telnet configuration
•Data backup/restore
•Support English and Chinese language
•Firmware upgrade by TFTP
•Syslog and CDR
•Web & telnet login password modify
•Factory reset
•Automatic time synchronization
•SNMP
•IVR local maintenance management
 
Network Features
•  NAT (Rout and Bridge)
•  Static IP, PPPoE, DHCP
•  DHCP server
•IP,TCP, UDP,TFTP, FTP, TCP,ARP,RARP,    Ping, NTP, SNTP, Http, DNS, Trancert
•  Static/dynamic ARP
 
Environment
•Power input:100-240VAC,50-60Hz
•Power consumption: 24FXS:80W;
  32FXS:100W
•Humidity: 10%-90%  no condensation

SPECIFICATION: