2 Ports FXS VoIP Gateway Dag1000-2s Ims Ngn Iad Cheap SIP Adaptor

DAG1000-1S / 2S Analog Telephone AdapterDAG1000-1S/2S is a multi-functional analog telephone adapter which offers seamless connectivity between IPbased telephony networks and legacy telephones (POTS), fax machines and PBX systems. The device provides 1 or 2 FXS port(s), fax over IP and a built-in high-speed NAT router. These powerful features and good voice quality make the device ideal for various application environments such as SOHO and small enterprises and for personal use. Moreover, with automatic provisioning and centralized management system, the device is easy for maintenance and deployment.  SpecificationsKey Features* Cost-effective ATA with 1 or 2 FXS port(s)* Fax over IP (T.38 and Pass-Through)* Support IPv4 and IPv6* TR069 and SNMP* Multiple codecs: G.711A/U,G.723.1,G.729A/B, G.726* Fully compatible with leading IMS/NGN, SIP-based IP telephony systemPhysical Interfaces* Capacity DAG1000-1S: 1* FXS, RJ11; DAG1000-2S: 2* FXS, RJ11* Ethernet Interfaces: 1* WAN, 10/100Mbps, RJ-45; 1* LAN, 10/100Mbps, RJ-45Voice & FAX* G.711A/U law, G.723.1, G.729A/B,G.726* Silence Suppression* Comfort Noise Generation(CNG)* Voice Activity Detection(VAD)* Echo Cancellation(G.168), with up to 128ms* Adaptive (Dynamic) Jitter Buffer* Programmable Gain Control* T.38/Pass-through* Modem/POS* DTMF mode: Signal/RFC2833/INBAND* VLAN 802.1P/802.1Q(voice/data/management VLANs)* Layer3 QoS and DiffServSupplement Service* Call Waiting* Blind Transfer* Attend Transfer* Call Forward on Busy* Call Forward on No Reply* Unconditional Call Forward* Warm/Immediately Hotline* Call Hold* Do-not-disturb* 3-Way Conference* Message Waiting IndicatorFXS* Connector: RJ11* Dial Mode: DTMF and Pulse* Pulse: 10 and 20 PPS* Caller ID: DTMF/FSK CLI Presentation* Reversed Polarity* Programmable Call Progress Tone* Max Cable Length: 3 kmSoftware Features* Hunting Group* Web ACL* Telnet ACL* Action URL* PPPoE/IPv4/IPv6* Digitmap* Routing Rules based Prefixes* Caller/Called Number ManipulationEnvironmental* Power Supply: 100-240VAC, 50-60 Hz@DC12V 1A* Power Consumption: