VOIP ATA function description：
NXD-1W Voip ATA 1FXS1PSTN voice IAD is a multi-function voice/fax/data access ATA specifically designed for operators, enterprises and household users. Voip ATA supports standard SIP protocol,H323 protocal,has built-in routing function and supports multiple network access means (ADSL, Cable Modem,etc.). It is specially suitable for operators and virtual operators to offer centralized number sale, IP telephone supermarket and enterprise virtual telephone network services.
It can provide dual-server registration backup, supports SNMP protocol and VPN. has compact size and support flexible networking, and is able to provide SOHO users, operators and largeenterprises with highly cost-effective IP voice solution. While providing rich IP telephone features, the gateway also has rich built-in IP features and strong adaptability to IP networks.
Voip ATA Key Features：
① IEEE 802.3 10 Base T；support DHCP,PPPOE DNS TELNET；
② Support G.711A/U，G.723.1,G.729 /A/B/AB and GSM610 voice codec；
③ SIP,H.323 V4 protocal；SIP RFC3261；support HTTP,HTTPS,FTP upgrade ；
④ TCP/IP: Internet protocal；Support RTP RTCP protocal；
⑤ Support VAD/CNG；one WAN,one LAN, support router；
⑥ call forward (Always, busy, no answer),call waiting and per call-waiting blocking；
⑦ caller number/name display caller ID /block outgoing caller-ID/Reject anonymous call；
⑧ Voice Activity Detection (VAD) Facsimile protocol(option): T.30/T.38 ；
⑨ voip speed dial,VoIP digital map；per area ring tone support；DND(Do Not disturb) ；MWI；
⑩ configurable/Adaptive jitter buffer size；support VLAN protocal；support WEB,IVR to configur；
Voip Ata Electric Spec:
① Voltage:DC 12V；Power adapter: DC 12V/800mA；Size：110 x 90 x 30 mm (L x W x H)
② Network intrface:2 RJ-45 Ethernet connectors；Tel intrface:Two RJ-11 One FXS and one PSTN
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