Description

• Orginal DBL GOIP 1 Chip Channel GSM Gateway (IMEI Change,1 SIM Card, SIP & H, VPN PPTP) GSM VOIP Gateway-Promotion Related Products: Note:All our products are origninally manuafactured% new, any faux products, we promise fullly refund is very quality guaranteed,and we provide lifetime free tech support,also will examine 24 hours to ensure it&;s all useful before shipping This is 2G device,when you set the order,please confirm your nation can still use 2G community Application:The basic use of our GOIP/VOIP as follows:PSTN->VOIP,VOIP->PSTN,Telephone is a standard phone Softswitchis utility put in in a pc It seems to be upon as a server, Goip seems to be as Jstomer The scheme needs GoIP,telephone,softswitch,another telephone login softswitch via usual Gateway device Then you would PSTN->VOIP and VOIP->PSTN Call Back SummaryGoIP GSM Gateway bridges the GSM amenities and the IP networks It is right for VoIP to GSM amenities the place a hard and fast cellphone line (PSTN) is not out there or for cell phone roaming via the VoIP network GSM Gateway is designed to work in conjunction with key telephone methods and IP-PBX to produce GSM communications The extensive compatibility of the GoIP makes it a perfect option to be deployed in multi-vendor open architecture VoIP networks GSM Gateway is a great way to provide immediate phone service deployment the place regular PSTN line may not be on hand GoIP GSM gateway also offers significant financial savings in utilization (long distance or international), infrastructure and maintenance cost compared to traditional PSTN Benefits of GoIPExtensive product compatibility with industry leading vendorCost-Savings on telephone calls between mobiles or to PSTNEasy to install – IP machine with Web founded leadership interfaceCan be managed and monitored remotely over Internet - a good provider to supply to customers via formula integratorsGoIPs can be grouped collectively to set up GSM gateway clusterTermination between GSM/VoIPSchedule or on-demand SMS Broadcast messages to users(Additional SMS server is required) Key FeaturesOpen Standard VoIP Protocols (ITU H V4 and IETF SIP V2)Single Server RegistrationsSIP peer-to-peer modeSIP proxy modeGSM module(Frequency) 850MHz, 900 MHz, 1800 MHz, 1900MHzAdvanced jitter bufferVLAN and QoS supportNAT TransversalCall ahead from GSM to VoIP and VoIP to GSMPassword or Trust record defense for dial in mode and dial outComprehensive dial PlanRetransmit GSM Caller ID to VoIP terminalDynamic number of codecsEcho cancellation for SpeakerphoneComfort noise technology (CNG)Voice activity detection (VAD)Firmware upgrade from GUI Basic FeaturesLEDs for Power, Ready, Status, WAN, PC, GSMCall ahead from GSM to VoIP and VoIP to GSMDial in mode or dial out mode onlyDial PlanPassword defense for both GSM dial in or dial outRetransmit GSM Caller ID to VoIP terminal Enhanced FeaturesDynamic choice 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 Chinese Supported StandardsITU: H V4, H, H, H, H 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 (A/µ law), G/B, G: RFC 2833, In-band DTMF, SIP INFO Free roamingIn order to advertise our product ,Now we've added some new funcitions in GoIP adding the new funcitions,you can build the call with out using the softwhich or platform,just reckoning on the internet makes our calls more handy and easier’s more, it would save a lot of name fee is the following example: Examplepeer to peer:it is a new operate that you can use our voip without platform,what is more,it is free roaming for international call just pay the native callSolution1 Solution2Solution3Solution4package consist of 1 notebook computer goip gateway 1 laptop computer of strength delivery 1 personal computer of Ethernet cable

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