Original DBL 1 SIM GoIP VoIP GSM Gateway (IMEI Changeable, SIP & H.323, VPN PPTP, SMS ) GoIP1 for IP PBX – Promotion
Note:All our products are origninally manuafactured.100% new, any fake products, we promise fullly refund.Original is highly quality guaranteed,and we provide lifetime free tech support,also will test 24 hours to make sure it’s all functional before delivery.
Application: The basic use of our GOIP/VOIP as follows: PSTN->VOIP, VOIP->PSTN, Telephone is a common phone. Softswitchis software installed in a computer. It looks upon as a server, Goip looks as client. The scheme needs GoIP,telephone,softswitch,another phone login softswitch through common Gateway device. Then you can PSTN->VOIP and VOIP->PSTN Call Back Summary GoIP GSM Gateway bridges the GSM services and the IP networks. It is ideal for VoIP to GSM services where a fixed telephone line (PSTN) is not available or for cell phone roaming via the VoIP network. GoIP GSM Gateway is designed to work in conjunction with key phone systems and IP-PBX to provide GSM communications. The extensive compatibility of the GoIP makes it an ideal choice to be deployed in multi-vendor open architecture VoIP networks. GoIP GSM Gateway is a great way to provide fast phone service deployment where regular PSTN line may not be readily available. GoIP GSM gateway also provides significant savings in usage (long distance or international), infrastructure and maintenance cost compared to conventional PSTN. Benefits of GoIP Extensive product compatibility with industry leading vendor Cost-Savings on phone calls between mobiles or to PSTN Easy to install â IP device with Web based management interface Can be managed and monitored remotely over Internet – a great service to offer to customers by system integrators GoIPs can be grouped together to establish GSM gateway cluster Termination between GSM/VoIP Schedule or on-demand SMS Broadcast messages to users (Additional SMS server is required) Key Features Open Standard VoIP Protocols (ITU H.323 V4 and IETF SIP V2) Single Server Registrations SIP peer-to-peer mode SIP proxy mode GSM module â 850MHz, 900 MHz, 1800 MHz, 1900MHz Advanced jitter buffer VLAN and QoS support NAT Transversal Call forward from GSM to VoIP and VoIP to GSM Password or Trust list protection for dial in mode and dial out Comprehensive dial Plan Retransmit GSM Caller ID to VoIP terminal Dynamic selection of codecs Echo cancellation for Speakerphone Comfort noise generation (CNG) Voice activity detection (VAD) Firmware upgrade from GUI Basic Features LEDs for Power, Ready, Status, WAN, PC, GSM Call forward from GSM to VoIP and VoIP to GSM Dial in mode or dial out mode only Dial Plan Password protection for both GSM dial in or dial out Retransmit GSM Caller ID to VoIP terminal Enhanced Features Dynamic selection of codec Advanced jitter buffer Automatic traversal of NAT and firewall VLAN / Qos Router Echo cancellation for Speakerphone Comfort noise generation (CNG) Voice activity detection (VAD) Auto provisioning (requires auto provisioning server) On line firmware upgrade Multi-language support: English and Chinese Supported Standards ITU: H.323 V4, H.225, H.235, H.245, H.450 RFC 1889 – RTP/RTCP RFC 2327 SDP RFC 2833 RTP Payload for DTMF Digits, Telephony Tones and Telephony Signals RFC 2976 SIP INFO Method RFC 3261 SIP RFC 3264 Offer/Answer model with SDP RFC 3515 SIP REFER Method RFC 3842 A Message Summary and Message Waiting Indicator RFC 3489 Simple Traversal of User Datagram Protocol (UDP) Through Network Address Translators (NATs) RFC 3891 SIP Replaces Header RFC 3892 SIP Referred-By Mechanism draft-ietf-sipping-cc-transfer-04 Session Initiation Protocol Call Control – Transfer Codec: G.711 (A/µ law), G.729A/B, G.723.1 DTMF: RFC 2833, In-band DTMF, SIP INFO Free roaming In order to promote our product ,Now we have added some new funcitions in GoIP.By adding the new funcitions,you can build the call without using the softwhich or platform,just depending on the internet.it makes our calls more convenient and easier.whatâs more, it can save a lot of call fee.Here is the following example: Example peer to peer:it is a new function that you can use our voip without platform,what is more,it is free roaming for international call.you just pay the local call Solution1 Solution2 Solution3 Solution4 package include 1 pc goip gateway
1 pc of power supply
1 pc of Ethernet cable