2 FXS VOIP ATA

HT-922(two FXS port VOIP ATA ) Product DescriptionThe HT-922 is designed as a compact, high performance, and low cost VoIP Analog Terminal Adapter (FXS Gateway). It comes with2 FXS port to interface with a traditional analog phone set or a PBX trunk line for VoIP communications. It bundles with lots of features to meet the demand in various network environment. It is an ideal low cost VoIP solution for travelers and SOHO users.Key Features Open Standard VoIP Protocols (ITU H. 323 V4 and IETF SIP V2) Two 10/100 Ethernet for WAN / LAN connections Peer-to-Peer IP Calls Speech quality ensured by QoS at the Ethernet and IP layers and comprehensive jitter buffer Line Echo Cancellation 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 2 RJ-11 FXS port for traditional phone set or PBX's trunk line LEDs for Power, Ready, Status, WAN, PC, FXS Call Forward, Call Hold, Call Transfer Dial Plan Caller IDEnhanced 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