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2 FXS Port VoIP Gateway (HT-922),SIP&H.323

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US $41.26 / piece
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Product ID: 379676604 2 FXS Port VoIP Gateway (HT-922),SIP&H.323 Picture
DBL Technology Limited
China (Mainland) (Guangdong)

 

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Item specifics

Place of Origin:
Guangdong China (Mainland)
Model Number:
HT-922
Brand Name:
DBL
Type:
VoIP Gateway
Place of Origin:
Guangdong China (Mainland)
Color:
Grey
Brand Name:
DBL
Model Number:
HT-922
Type:
VOIP Gateway
Build in:
H.323&SIP
Support:
VAD, CNG, EC
Warranty:
One Year

Product Description

 

HT-922(1)HT-912(2)

The 2 FXS VoIP Gateway with router support SIP/H.323 protocols HT-922 is designed as a compact, high performance, and low cost Analog Terminal Adaptor (FXS Gateway).  It comes with 2 FXS ports to interface with traditional analog phone sets or PBX trunk lines for VoIP communications.  The HT-922 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-922 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)
  • 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 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

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

HT-922(2)HT-922(1)

 

Packaging Details

Unit Type:
piece
Package Weight:
1.000kg
Package Size:
15cm x 18cm x 8cm
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