Gold Member Since 2010
Audited Supplier
Shenzhen DBL Technology Limited

Fxs Voip Gateway, Sip Voip Gateway, Mobile Wireless Terminal manufacturer / supplier in China, offering 4 FXS Port VoIP FXS Gateway HT-842R, DBL 1/2/4/8-FXS VoIP Gateway (HT-882), 8 Port/Channel GSM VoIP Gateway with SIP&H. 323 (GoIP8) and so on.

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Supplier Homepage Product VoIP ATAs(FXS) 4 FXS Port VoIP FXS Gateway HT-842R

4 FXS Port VoIP FXS Gateway HT-842R

FOB Price: US $84 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $84/ Piece
Get Latest Price
Production Capacity: 10, 000PCS/Month
Transport Package: Carton Dimension:35.7*28.2*35.5cm
Payment Terms: T/T, Western Union, Paypal
Basic Info
  • Model NO.: HT-842R
  • Warranty: One Year
  • Power: 24vdc/500ma
  • Specification: Paking Box Dimension:27.5cm*17cm*6.5cm
  • Support: H. 323&Sip Vlan & Qos
  • Weight: 0.53kg
  • Trademark: DBL
  • Origin: China
Product Description
Overview
The HT-842R is designed as a compact, high performance, and low cost Analog Terminal Adaptor (FXS Gateway). It comes with 4 FXS ports to interface with traditional analog phone sets or PBX trunk lines for VoIP communications. The HT-842R 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. 323). This allows the HT-842R to interoperate seamlessly with softswitches 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
Open Standard VoIP Protocols (ITU H. 323 V4 and IETF SIP V2)
Single or Multiple Server Registrations
Peer-to-Peer IP Calls
Two 10/100 Ethernet for WAN / LAN connections
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 Processor

Basic Features
Four RJ-11 FXS ports for traditional phone sets or PBX's trunk lines
LEDs for Power, Ready, Status, WAN, PC, FXS ports
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
Supported Standards

ITU: H. 323 V4, H. 225, H. 235, H. 245, H. 450
RFC 1889 - RTP/RTCP
RFC 2327 - SDP
RFC 2833 - RTP Payload for DTMF Digits, Telephony Tones and Telephony Signals
RFC 2976 - SIP INFO Method
RFC 3261 - SIP
RFC 3264 - Offer/Answer model with SDP
RFC 3515 - SIP REFER Method
RFC 3842 - A Message Summary and Message Waiting Indicator
RFC 3489 - Simple Traversal of User Datagram Protocol (UDP) Through Network Address Translators (NATs)
RFC 3891 - SIP "Replaces" Header
RFC 3892 - SIP Referred-By Mechanism
Draft-ietf-sipping-CC-transfer-04 - Session Initiation Protocol Call Control - Transfer
Codec: G. 711 (A/µ Law), G. 729A/B, G. 723.1
DTMF: RFC 2833, In-band DTMF, SIP INFO
Physical and Environmental
Operating temperature: 0° C to 40° C (50° F to 104° F)
Storage temperature: 0° C to 50° C (32° F to 122° F)
Weight: 1.1 kg (2.42 lb) (Including AC/DC Adapter)
Power: 24 Vdc 500 mA (AC/DC adapter included)
  4 FXS Port VoIP FXS Gateway HT-842R
  1. G. W: 0.53kg
  2. Support  SIP  and  H. 323
  3. Warranty:   one  year
 
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