4 channel GSM VOIP Gateway/voip pbx system

Description Gsm voip gateway GOIP The GSM Fixed Wireless Terminal 4 ports Gateway GoIP-4 is a 4 SIM Card Broadband Phone Gateway that had been developed by CHINASKYLINE Ltd. GoIP-4 Gateway is a new product that connect the GSM and the VOIP seamlessly. To GoIP-4 what is installed on the Mobile SIM Card, you can register the GSM telephone on the VoIP soft switch. Caller ID can be seen by using SIP. Flexible routing can meet the need of all kinds of call forwarding; even more special is that GoIP-4 support multi-device group, it can be easily combined into arbitrary number of channels of Large Gateway Group. Key Features Multiple GoIP4 grouping mode Provide one cellular channels for IP-PBX Open Standard VoIP Protocols (ITU H.323 V4 and IETF SIP V2) Single or Multiple Server Registrations Two 10/100 Ethernet circuits connect to the LAN and an additional device GSM module for making GSM calls Speech quality ensured by QoS at the Ethernet and IP layers and comprehensive jitter buffer VLAN and QoS support NAT Transversal and Router functions Voice prompts, HTTP Web, Auto Provision support for configuration and updates Highly stable embedded Linux operating system in high performance ARM 9 Processor 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 Hardware Specifications Processor: ARM9E 133MHz DSP: VPDSP101 196MHz Memory: RAM 16MB/ Flash 4MB GSM Module: Type: 850MHz, 900MHz, 1800MHz, 1900MHz Power: Input AC100V ~ 240V, output DC12V/2A +-10% Power consumption: 32W maximum Network card: 100/10Base-T x2 LED: Operation and lines light GSM Passway: four Operating temperature: 10°C to 40°C (32°F to 104°F) Storage temperature: 0°C to 50°C (32°F to 122°F) Working Humidity: 40% ~ 90% Not congealed Weight: 1203 g (1 lb) (Including AC/DC Adapter) Warranty: one year FREE ROAMING Example: peer to peer: it is a new function that you can use our VoIP without VoIP provider; what is more, it is free roaming for international call. You just need pay the local call. Model 1: Model 2: Model 3: Model 4: Common function: 1, Call form GSM to VOIP Description: using the GoIP to connect with VoIP 2, Call form VOIP to GSM Description: using the GoIP to connect with PSTN 3, Call forward Description: Someone is in China, but all most of his business in Malaysia. What he need to do is to set 1 Malaysia's SIM card into our GOIP4 gateway, all the phone to this 1 Malaysia's SIM card will be transfer to his Chinese phone, this save a lot of international call fee. 4,Call back Description: Someone is in China, but all most of his business in Malaysia. What he need to do is to set 1 Malaysia's SIM card into our GOIP4 gateway, all the phone to this 1 Malaysia's SIM card will be transfer to his Chinese phone, this can save a lot of international call fee.