Hot Sale GOIP 1 4 8 Port GSM VOIP Gateway For Call Terminal Support G729 Also SMS Sending

1 4 8 ports GOIP Gateway product Introduction:The GSM Fixed Wireless Terminal named GOIP,Website:http://www.gsmvoipgateway.com,there are multiple ports for your choice: 1/4/8 ports Gateway GOIP1 ,GOIP4 ,GOIP8 is a Broadband Phone Gateway that had been developed by CHINA SKYLINE TELECOM CO.,LTD . GOIP8 VOIP Gateway is a famous product that connect the GSM and the VOIP seamlessly. To GOIP what is installed on the Mobile SIM Card, you can register the GSM telephone on the VOIP softswitch. SIP and H.323 agreement are built in the GOIP and configured flexible. 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 support multi-device group, it can be easily combined into arbitrary number of channels of Large Gateway GroupKey Features      Multiple GoIP8 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 ProcessorBasic 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 terminalEnhanced 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:eight      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 yearGSM VOIP Gateway pictures:1 port GOIP Gateway1 port GOIP Gateway with internal antenna4 ports GOIP Gateway 8 ports GOIP Gateway