4 FXS ports VoIP Gateway

The VOIP-G100/4 is designed as a compact-size, high-performance and low-cost Analog Terminal Adaptor (FXS Gateway). It comes with 4 FXS ports to connect traditional analog phone or PBX trunk lines for VoIP communications. With easy installation and configuration, this gateway also supports 2 mostly used open VoIP standards (SIP and H.323), which makes it work seamlessly with soft switches or IP PBXs made by various vendors. Offering high-quality voice, flexible networking and rich functions, it is an ideal low-cost solution for small and medium enterprises where multiple VoIP lines are required. Functions & FeaturesSupports open standard VoIP protocols (ITU H.323 V4 and IETF SIP V2); Supports registration of single or multiple servers; Supports peer-to-peer IP calls; Provides two 10/100 Ethernet port for WAN/LAN connections; High voice quality ensured by QoS at the Ethernet and IP layers and comprehensive jitter buffer; Supports echo cancellation for speaker; Supports VLAN and QoS; Supports automatic transversal of NAT and firewall; Supports voice prompt, HTTP web, and auto-provisioning (* auto-provisioning server required); Highly stable embedded operating system of Linux with ARM9 processor; Supports call forward, call hold and call transfer; Supports dial plan and caller ID; Supports dynamic selection of codec; Supports router function; Comfort noise generation (CNG); Voice activity detection (VAD); Web-based interface: provides parameters setting, multi-layer password, online firmware upgrade, 4-level volume adjustment, voice-speaking IP, toll charging, multi-area prompt tone. SpecificationsProcessorARM9 133MHzDSPVP-101-4 196MHzMemoryRAM: 16MB, FLASH: 4MBInterfacePower interface: AC220V±15% to DC 24V/500mA Ethernet interface for LAN and WAN: 2 RJ45 ports, 10/100Base-T FXS interface: 4 RJ11 ports (feed at 24V / ring at 48V) LED indicators: Power, Run, LAN, PC and FXS ports Power ConsumptionMax. 8WVoice CharacteristicsSupports G.168 algorithm for echo cancellation (16ms) Supports G.723.1, G.711 (A/µ law), G.729A/B, PLC, CNG, and VAD Supports Package Jitter Algorithm LAN Port CharacteristicsSupports DHCP, PPPoE, and Static IP Firewall transversal: relay (* relay server required) or port forwarding Network time: NTP/SNTP 10/100Base-T: 10M/100M adaptive PC Port CharacteristicsSupports Static IP and switch mode DHCP service: supports max. 200 clients 10/100Base-T: 10M/100M adaptive Supported H.323 ProtocolsITU-T: H.323 V4, H.225, H.235, H.245 and H.450 RFC-1889: RTP/RTCP Supports IP-to-IP Supported SIP ProtocolsRFC 2327: Session Description Protocol (SDP) RFC 2833: RTP Payload for DTMF Digits, Telephony Tones and Telephony Signals RFC 2976: SIP INFO method RFC 3261: Session Initiation Protocol (SIP) RFC 3264: Offer/Answer model with SDP RFC 3265: SIP – Specific Event Notification RFC 3515: SIP REFER method RFC 3842: A message summary and message waiting indication RFC 3489: Simple Traversal of UDP through NATs RFC 3891: SIP “Replaces” Header RFC 3892: SIP Referred-By mechanism draft-ietf-sipping-cc-transfer-04: SIP call control – transfer Operating Temperature-20°C +45°CRelative Humidity Range40% 90% (non condensing)Dimensions167mm X 112mm X 31mm / 275mm X 170mm X 65mm (packing)Weight230 g / 530 g (packing)