Shenzhen Skyline Technology Co., Ltd.
 Telecommunications > PBX >  2 FXO channels VoIP gateway

2 FXO channels VoIP gateway

Brand Name:
Model Number:
VoIP Gateway
2 FXO channels
2 FXO channels VoIP gateway
Detailed Description

1,two fxo ports voip gateway
2,support ITU H.323 V4 and IETF SIP V2
3,speech quality ensured by QoS
4,VLAN and QoS

Product Introduction:

The HT-322 VoIP gateway is designed as a compact, high performance, and low cost FXO Gateway.  The FXO detection is optimized to avoid the hold up of the PSTN line when the other party is disconnected.  This has been one of the key issue in the design of FXO gateway.  The incoming PSTN Caller ID is also transmitted to the VoIP user for more user friendly operation. The HT-322 is a full featured FXO gateway and is designed for easy installation and configuration. It is an ideal solution for VoIP to PSTN termination in both SME and SOHO environment.


Product Features:

  • Open Standard VoIP Protocols (ITU H.323 V4 and IETF SIP V2)
  • Single or Multiple Server Registrations
  • Two 10/100 Ethernet circuits connect to the LAN and an additional device
  • Two FXO ports for PSTN terminations
  • 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

    Support 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


    All this kind FXO VoIP gateway, we promise will offer the best price by the good quality in china!We have sufficient experience and high responsibility,welcome to send us your sample and we can provide with you what you want.We produce are of very good quality, and we promise good after-sale service for all our customersWe are sincerely looking for your cooperation!

    Company information:
        Shenzhen Skyline Technology Co., Ltd. established on 2007 in Japan. We is an exporter of China (Mainland) PBX products.    We have exported products to many other countries, such as North America South America Southeast Asia Africa Mid East Eastern Asia Central America. Our main business goal is to provide top quality products for our customers    We hope that we can cooperate with more customers from all over the world and sincerely welcome all of you!Please refer to our website at!
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