High Quality yet Affordable for All BusinessesPLANET VGW-420FS enterprise-class 4-port SIP VoIP Gateway provides added flexibility during migration to Unified Communications by supporting the traditional analog devices. These devices include analog phones, fax machines, modems, voicemail systems and speakerphones.Enhanced, Full-Featured Business GatewayPLANET VGW-420FS 4-port FXS SIP VoIP Gateway is a fully IETF SIP RFC3261 standard compliant residential gateway that provides a total solution for integrating voice-data network, with built-in SIP trunk and TLS/SRTP security, up to 4 concurrent connections. Voice communications can be established from anywhere around the world, and it not only provides quality voice communications, but also offers secure, reliable Internet sharing capabilities for daily voice and Internet communications.Distributed VoIP Network InfrastructurePLANET VGW series is easy to use for all types of businesses. The VGW-420FS offers quality voice communications and real-time fax data over IP networks and it does not need human resources to deploy a VoIP network. With the optimized SIP architecture, PLANET VGW-420FS is the ideal choice for P2P/SIP proxy (IP PBX) voice chat, and ITSP cost-saving solution.ApplicationsThe VGW-420FS provides the essential features you need for business-class voice communications in an easy-to-manage solution. Designed for businesses with branch offices, it helps the enterprises to save money on long-distance calls.Key FeaturesSIP ApplicationsIETF SIP RFC3261 based on UDP/TCP/TLS4-line FXS connects to analog phone set or PABXFax over T.38 and Pass-throughITU-T G.711 A-law, G.711 μ-law, G.723.1 and G.729 voice codingIn-band / out of band DTMF (RFC4733, RFC2833 / SIP INFO)Echo cancellation exceeding ITU-T G.168, up to 128ms tail lengthSupports SIP Trunk and Caller ID: DTMF/FSK CLI PresentationInternet FeaturesSupports SNMP v1/v2/v3Supports VLAN 802.1P and 802.1QSupports Layer3 QoS and DiffServSupports STUN (RFC 3489) and Outbound ProxySupports TR069 and Auto ProvisioningSupports TLS/SRTP SecurityCall FeaturesCall waiting / transfer (Blind transfer, Attend transfer)Call hold / Quick pickCall Forwarding UnconditionalCall Forwarding on No ReplyHotline / Speed Dial / Direct IP CallDo Not Disturb (DND) / Three-way conferenceSpecificationsHardwareWAN1 x 10/100BASE-TX RJ45 portLAN1 x 10/100BASE-TX RJ45 portVoice4 x RJ11 connection (4 x Foreign eXchange Station)Weight200gDimensions (W x D x H)140 x 86 x 25 mmPower Requirements100-240VAC, 50-60 Hz@DC12V 1APower Consumption5WProtocols and StandardFXSDial Mode: DTMF and PulsePulse: 10 and 20 PPSCaller ID: DTMF/FSK CLI PresentationMax Cable Length: 3KMReversed PolarityProgrammable Call Progress ToneVoice & FaxG.711A/U law, G.723.1, G.729A/B,G.726 and iLBCSilence SuppressionComfort Noise Generation(CNG)Voice Activity Detection(VAD)Echo Cancellation(G.168), with up to 128msAdaptive (Dynamic) Jitter BufferHook FlashProgrammable Gain ControlT.38/Pass-throughModem/POSDTMF mode: Signal/RFC2833/INBANDVLAN 802.1P and 802.1QLayer3 QoS and DiffServVoIPProtocol: SIP v2.0 (UDP/TCP),RFC3261,SDP,RTP(RFC2833), RFC3262, 3263,3264,3265,3515,2976,3311RTP/RTCP, RFC2198, 1889RFC4028 Session TimerRFC3266 IPv6 in SDPRFC2806 TEL URIRFC3581 NAT and rportPrimary/Backup SIP ServerOutbound ProxyDNS SRV/ A Query/NATPR QuerySIP TrunkEarly Media/Early AnswerNAT:STUN, Static/Dynamic NATSupplementary ServiceCall WaitingBlind TransferAttend TransferCall Forward on BusyCall Forward on No ReplyUnconditional Call ForwardWarm/Immediately HotlineCall HoldDo-not-disturb3-Way ConferenceMessage Waiting IndicatorSoftware FeaturesHunting GroupWeb ACLTelnet ACLAction URLPPPoE/IPv4DigitmapBandwidth OptimizationRouting Rules based PrefixesCaller/Called Number ManipulationManagementSNMP v1/v2/v3TR069Auto ProvisioningWeb/TelnetConfiguration Backup/RestoreFirmware Upgrade via WebCDRSyslogPing and Tracert TestNetwork CaptureOutward Test(GR909)NTP and Daylight Saving TimeIVR local MaintenanceEnvironmentsOperating Temperature0 ~ 40 degrees CStorage Temperature-20 ~ 80 degrees COperating Humidity10%~90% relative humidity, non-condensingEmissionCE, FCCKey Technical SpecificationsModel: VGW-420FS4-Port SIP VoIP Gateway (4 FXS)WAN: 1 x 10/100BASE-TX RJ45 portLAN: 1 x 10/100BASE-TX RJ45 portVoice: 4 x RJ11 connection (4 x Foreign eXchange Station)Weight: 200gDimensions: 140 x 86 x 25 mmPower: 100-240VAC, 50-60 Hz@DC12V 1APower Consumption: 5WOperating Temperature: 0 ~ 40°CStorage Temperature: -20 ~ 80°COperating Humidity: 10%~90% RH, non-condensingCertifications: CE, FCC