8-fxs voip gateway

Product Description

eight FXS Ports VoIP Gateway support ATA  Introduction:

The eight FXS Ports VoIP Gateway (HT***2) is designed as a compact, high performance, and low cost Analog Terminal Adaptor (FXS Gateway).  It comes with 8 FXS ports to interface with traditional analog phone sets or PBX trunk lines for VoIP communications.  The HT***2 is a full featured FXS gateway and is designed for easy installation and configuration.  It supports the two most widely used Open VoIP Standards (SIP and H.**3). This allows the HT***2 to interoperate seamlessly with soft switches or IP PBXs made by various vendors. Its high performance offers toll quality voice, flexible networking, and feature-rich call functions. It is an ideal low cost solution for SME environment where multiple lines are required.

Key Features

• Static IP support
• Switch mold support
• support DHCP,PPPOE
• Open Standard VoIP Protocols (ITU H.**3 V4 and IETF SIP V2)
• Two *0/**0 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,  Web, Auto Provision support for configuration and updates
• Highly stable embedded Linux operating system in high performance ARM 9 Processor

Basic Features

• Eight RJ**1 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 ID
• 3 times re-password
• Billing support
• Keyboard setting
• IP voice enrollment

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.**3 V4, H.**5, H.**5, H.**5, H.**0
• RFC ***9 RTP/RTCP
• RFC ***7 SDP
• RFC ***3  RTP Payload for DTMF Digits, Telephony Tones and Telephony Signals
• RFC ***6  SIP INFO Method
• RFC ***1 SIP
• RFC ***4 Offer/Answer model with SDP
• RFC ***5 SIP REFER Method
• RFC ***2  A Message Summary and Message Waiting Indicator
• RFC ***9  Simple Traversal of User Datagram Protocol (UDP) Through Network Address Translators (NATs)
• RFC ***1  SIP “Replaces” Header
• RFC ***2  SIP Referred-By Mechanism
• draft-ietf-sipping-cc-transfer**4   Session Initiation Protocol Call Control - Transfer
• Codec: G.**1 (A/µ law), G.**9A/B, G.**3.1
• DTMF: RFC ***3, In-band DTMF, SIP INFO

Hardware Specifications

• Processor: ARM9E **3MHz
• DSP: VPDSP**1 *5MHz
• Memory: RAM *6MB/ Flash 4MB
• Power: Input AC**0V ~ **0V, output *4VDC / **0mA
• Power consumption: *2W maximum
• Network card: **0/*0Base-T x2
• LED: Operation and lines light
• RJ*1:eight *4V feed *8V ring
• Operating temperature: *0°C to *0°C (*2°F to **4°F)
• Storage temperature: 0°C to *0°C (*2°F to **2°F)
• Working Humidity: *0% ~ *0% Not congealed
• Weight: **0 g (1 lb) (Including AC/DC Adapter)
• Warranty: one year