Shenzhen DBL Technology Limited  

Product Name: 2 FXS VoIP Gateway (HT-922) (HT-922T) Model NO.: HT-922T Wire or Not: Wire Number of Channels: 2 Support: IMEI Protocol: PPPoE Type: Gateway FXS Port: 2 Fax: Support VoIP Protocol: H. 323&SIP Realy/VPN: Support Billing System: Support Warranty: One Year Trademark: DBL Transport Package: Package: 20PCS/Carton Specification: Box Dimension: 14*17*6.5cm G. W: 0.36kg Origin: China Product Description 2 Port FXS GatewayHT-922TSpecification:1. SIP&H.323; Support VPN; fxs asterisk2. Router function;3. Support T.38 fax;4. Relay encryption;5. Remote Access ;6.Auto Configuration7.Billing8. Can be customized.Series Model: HT-912T(1 port), HT-922T(2 ports), HT-842R(4 ports), HT-882(8 ports)VoIP FXS Gateway HT-912T is a telephone extension to the IP network. It offers a traditional telephone line (PSTN) interface to an analog telephone, PBX line extension, or a fax machine. Its WAN port interface allows access to the IP network in order to offer voice and fax services. It is a great way for turning a traditional PBX to access the low cost VoIP services and for deploying VoIP service by an ISP. An additional Ethernet port allows broadband connection for the existing PC or other network device without buying additional network equipment. It is an ideal low cost product for SME and SOHO IP telephony application.Product overview2 FXS port VOIP GatewayOpen Standard VoIP Protocols (SIP&H.323)Provide 2 RJ-11 port for a POTS phone or a PBX's trunk lineProvide 2 RJ-45 Ethernet PortsSupport call forward/transfer/hold, phone bookSupport G.711 A/μ law, G.729A/B, G.723.1 CodecsSupport QoS, NAT transversal and router functionSupport VAD, CNG, ECSupport T.38 FAXHighlightsBuilt-in H.323 V4 and SIP V2 Protocols.Low costHight performance routerCaller IDAuto provisioning and firmware updatesEncryption transversalMultiple languagesKey FeaturesOpen Standard VoIP Protocols (ITU H. 323 V4 and IETF SIP V2)Two 10/100 Ethernet for WAN / LAN connectionsPeer-to-Peer IP CallsSpeech quality ensured by QoS at the Ethernet and IP layers and comprehensive jitter bufferLine Echo CancellationVLAN and QoS supportNAT Transversal and Router functionsVoice prompts, HTTP Web, Auto Provision support for configuration and updatesHighly stable embedded Linux operating system in high performance ARM 9 ProcessorBasic Feature1 RJ-11 FXS port for traditional phone set or PBX's trunk lineLEDs for Power, Ready, Status, WAN, PC, FXSCall Forward, Call Hold, Call Transfer Dial PlanCaller IDEnhanced FeaturesDynamic selection of codecAdvanced jitter bufferAutomatic traversal of NAT and firewallVLAN / QosRouterEcho cancellation for SpeakerphoneComfort noise generation (CNG)Voice activity detection (VAD)Auto provisioning (requires auto provisioning server)On line firmware upgradeMulti-language support: English and ChineseSupported StandardsITU: H.323 V4, H.225, H.235, H.245, H.450RFC 1889 - RTP/RTCPRFC 2327 - SDPRFC 2833 - RTP Payload for DTMF Digits, Telephony Tones and Telephony SignalsRFC 2976 - SIP INFO MethodRFC 3261 - SIPRFC 3264 - Offer/Answer model with SDPRFC 3515 - SIP REFER MethodRFC 3842 - A Message Summary and Message Waiting IndicatorRFC 3489 - Simple Traversal of User Datagram Protocol (UDP)Through Network Address Translators (NATs)RFC 3891 - SIP "Replaces" HeaderRFC 3892 - SIP Referred-By Mechanismdraft-ietf-sipping-cc-transfer-04 - Session Initiation Protocol Call Control - TransferCodec: G.711 (A/μ law), G.729A/B, G.723.1DTMF: RFC 2833, In-band DTMF, SIP INFOFree SoftwareAuto Config ServerRelay ServerRemote AccessBillingHardware SpecificationsOperating temperature: 10°C to 40°C (50°F to 104°F)Storage temperature: 0°C to 50°C (32°F to 122°F)Size:140mm (W) x 170mm (L) x 65mm (H)Weight:0.35kg (Including AC/DC Adapter)Power: 12V 500mAWarranty: 1 year