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Triarchy Products
HT-842T (4-FXS Port)
Description:
The HT-842T FXS gateway is designed as a compact ,high performance and cost-efficient VoIP Analog Termianl Adapter. The HT-842T is a full featured FXS Gateway and is designed for easy installation and configuration.It comes with one Ethernet port for network access to a VoIP Server and Four RJ-11 jack to interface with a traditional telephone or fax machine. Connecting a telephone line port (FXO) of a traditional PBX to a VoIP ATA enables the PBX to take full advantages of VoIP services. Its high performance offers toll quality voice,flexible networking feature-rich call functions.It is an ideal solution for SME, SOHO, and individual who would like to lower or eliminate their local and long distance call charges.

Basic Function
● PLC:Packet loss concealment
● Voice gain adjustable
● Echo Cancellation (with ITU-T G.168/165 standard)
● Hotline
● Memory Dial
● Caller ID
● Dial Plan
● Online firmware upgrade
● Multi-language support: English and Chinese
● With Accounting Function

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
● Support T.38
● Line Echo Cancellation
● PPTP VPN ,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
● One 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 ID

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  Parameters  Remark
 Model  HT-842T  
 Processor  ARM11 700MHZ  
 DSP  ARM1136J-S(media sub system)  
 RAM  128M  
 FLASH  8M  
 Network Card  100/10BASE-T ×2  
 LED  operating and circuit light  
 Power consumption  12V/DC  
 Weight  0.24kg  
 Size  16.8*11.2*2.8(cm)  
 Operating Temperature  0-45℃  
 Working Humidity  40%-90% non-condensation  
 Color  Grey  
 RJ11 port  4  
     
 Speech Characteristics  Service Condition  Remark
 G.168 Echo cancellation  Support  16mS
 g.723  Support  
 g.711A/u  Support  
 g.729A/B  Support  
 GSM  Nonsupport  
 PLC  Support  
 CNG  Support  
 VAD  Support  
 Jitter Buffer  Support  
 T.38  Support  
     
 Network Characteristic  Parameters  Remark
 LAN Port    
 DHCP  Support  
 PPPoE  Support  
 Static IP  Support  
 NAT Transversal  Relay or Port forwarding  Relay need coordinate with DBL Relay Server
 Network time  NTP / SNTP  
 10/100BASE-T  10/100 auto adaptation  
 PC Port    
 Static IP  Support  
 DHCP  Max support 200 terminals  
 10/100BASE-T  10/100 auto adaptation  
 Switch mode  Support  
 Protocols  ITU H.323 V4 and IETF SIP V2, SIP (RFC3261) TCP/UDP/IP, RTP/RTCP, HTTP, ARP/RARP,
ICMP, DNS, DHCP, NTP, TFTP, TELNET, PPPoE
 Support
     
 User Interface  Parameters  Remark
 Web page Configuration  HTTP  
 Multiple password  3 password  Customized service
 Keyboard setup  Support  
 Online update  http  
 Broadcast IP  Support  Chinese , English
 Billing  Support  Coordinate with DBL Billing Software
 Language  Chinese, English  
 Multi-regional warning tone  China,HK,USA,UK,German etc.  
 Warranty  One year  

Competitive Advantage: 

● Support SIP and H.323 protocols

● One RJ-11 FXS port for traditional phone set or PBX's trunk line

● Peer-to-Peer IP Calls

● Line Echo Cancellation

● Call Forward, Call Hold, Call Transfer,Phone Book

● Call waiting function

● PPTP VPN

● NAT Transversal and Router functions

● Voice prompts, HTTP Web, Auto Provision support for configuration and updates