Shenzhen Skyline Technology Co., Ltd.
 Telecommunications > PBX >  2 FXS and 1 PSTN channels VoIP gateway

2 FXS and 1 PSTN channels VoIP gateway

Brand Name:
Model Number:
VoIP Gateway
2 FXS and 1 PSTN channels VoIP gateway
Detailed Description

1, 2 FXS and 1 PSTN channel VoIP gateway
2,support ITU H.323 V2 and IETF SIP V4
3,high quality speech.
4,VLAN and QoS

Product Introduction:

The HT-822P VoIP gateway is designed as a compact, high performance, and low cost VoIP Analog Terminal Adapter (FXS Gateway). It offers 2 FXS ports to interface with traditional analog phone sets or PBX trunk lines for VoIP communications.  By connecting a PSTN line to the Bypass port, the phone sets connected to the FXS ports can also access traditional telephone service via the bypass port. The HT-822P is a full featured FXS environments where both VoIP and PSTN services are required.gateway and is designed for easy installation and configuration. It is an ideal low cost solution for SME and SOHO environments where both VoIP and PSTN services are required.


Product 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

    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 .


    We supply with all kinds of FXS+PSTN voip gateway!We are specializing in producing many kinds of products,welcome to contact me for the details!Welcome your negotiated prices,we promise your good price will be our consideration.Above items are just a part, many more Cisco products are not listed out, please feel free contact us for more details. Thank you for your attention

    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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