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JS200-FX Released!
The successor of S100-FX. Deploys as a Two FXS Ports
VoIP ATA or Embedded Asterisk Server!

S100-FX has been Discontinued

S100-FX One Port FXS Designed for Digium Asterisk VoIP PBX
FXS for DigiumTM Asterisk

New! Version 2.0
New Stylish Design. New Features
  • New! Built-in 10/100 Ethernet Switch. No extra network connection required.
  • Designed for and 100% Compatible with Asterisk
  • Native IAX (Inter-Asterisk eXchange) Protocol
  • Connects Asterisk Box to Telephone Set
  • Connects to Asterisk in local network or across the globe thru Internet!
  • Support G.711 a/u ,G.723.1 5.3/6.3, G.729A/B/AB GSM 610 Codecs
  • Web-based Configuration
  • Life Line Support PSTN Passthru
  • 1 Year Limited Warranty
  Looking to Enhance S100-FX into a dual mode FXS / FXO Intelligent ATA?
  FXO or FXS?
  Looking for FXO Adapter for Asterisk?

  What is Asterisk?
  List of Asterisk's Advanced Feature

What's New in Version 2.0

Introducing the all new S100-FX v2.0,'s exclusive FXS port analog phone adapter designed for Digium's Asterisk VoIP PBX.

In the newly designed stylish, snowy white little box, delivers new functional enhancements in a new look plus bug fixes.

Now with v2.0, creating an Asterisk extension has never been easier. Thanks to the new integrated network switch, S100-FX v2.0 seemlessly fits into your exisitng network infrastructure with no extra cabling and no extra network switch required.

Simply connect S100-FX v2.0 to your computer's original network cable, and in turn connect the computer to S100-FX v2.0 with the supplied network cable. Connection done and S100-FX v2.0 is merged into your network! It's just that easy.

Inheriting the same core functions from the original v1.0, S100-FX v2.0 is the only IAX-native Asterisk FXS port phone adapter on the market which comes with an internal 10/100 ethernet switch.

S100-FX v2.0 is truely the best-valued Asterisk FXS port analog phone adapter and is your only best choice.

Get Connected Today!


The S100-FX v2.0 provides a single, fully featured FXS interface for your Asterisk Server and more!

Equiped with TWO RJ-45 Ethernet ports (one network uplink, one switched port), Two RJ-11 ports (One FXS, One Life Line) and support various VoIP codecs. It is a feature-packed little box with a highly competitive price.

The S100-FX v2.0 is easily configured by its Web-based configuration interface. Running on the Asterisk-native IAX protocol provides the S100-FX v2.0 complete NAT transparency, enabling full operation behind NAT and PAT firewalls with a Plug and Play experience.

The S100-FX v2.0 could be a FXS port for your Asterisk server on the local network, it could also be a FXS port for your Asterisk server across the Pacific Ocean! Think global ... get connected to your Asterisk PBX extension anywhere in the world with an internet connection!

Designed with flexibility in mind, the S100-FX v2.0 supports various VoIP protocols. You can switch between other industry-standard VoIP protocols should you change your mind later. It is also by far the best IAX-protocol embedded device with most VoIP codecs support.

Technical Specifications

  • IP Configuration by Static, DHCP or PPPoE
  • Integrated 10/100 ethernet switch
    WAN = Switch Uplink Port
    LAN = Switched Port
  • Dynamic voice test
  • CNG(Comfort noise generation)
  • G.168/165 compliant 16ms echo cancellation
  • Tone generation and local DTMF re-generation according with ITU-T
  • Voltage: DC 12V~24V
  • Dimensions: 165 x 110 x 27 mm (L x W x H)

Package Content

  • Brand New in Box One Port FXS Designed for
    DigiumTM Asterisk x 1 (S100-FX v2.0)
  • Universal Power Adapter x 1
  • RJ11 Phone Cord x 1
  • RJ45 Network patch cable x 1
  • 1 Year Limited Warranty
Features Comparison
  S100-FX v2.0
( FXS)
VoIP Protocol
Choose from IAX (IAX2), SIP, H323 v4
or MGCP (IAX2 by Default)
Voice Codec
G.711a/u, G.723.1 5.3/6.3, G.729 A/B/AB,
GSM, iLBC (iLBC coming soon)
G.711u, ADPCM
Life Line Passthru
Yes No
Works behind
NAT and PAT Firewall
Yes Yes
Integrated 10/100
Ethernet switch
Yes No
Yes No
Power Adapter Worldwide Universal (110v-240v) 110v Only
Price USD$69.95 USD$99.95
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