1-GSM&1-FXS Port VoIP Gateway GS-1 Description: GS-1 is a GoIP-1 with one FXS port VoIP Gateway , it bridges the GSM,Analog telephone,and the IP networks by enabling voice communications.? It is ideal for VoIP to Local termination where a fixed telephone line (PSTN) is not available or for cellphone roaming via the a VoIP network.? Key Features: Open Standard VoIP Protocols (ITU H.323 V4 and IETF SIP V2)br> Single or Multiple Server Registrations Two 10/100 Ethernet for WAN / LAN connections 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 Enhanced Features¡êo 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 Competitive Advantage:? Remote SIM operation for SIM Card management SMPP support for 3rd party development of SMS Applications. Free server utilities for remote access and SMS management. Telnet mode for sending AT commands to GSM module. Compact and light weight design Direct customer support
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