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Quick Overview

The Obihai OBi300 is a 1-Port Analog Telephone Adapter (ATA). Sometimes small things pack a serious punch, and that's definitely the case with the OBi300 ATA. With one FXS port and the ability to support two SIP accounts, the OBi300 will undoubtedly be an asset to your business.

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Obihai OBi300 Information:


The impressive Obihai OBi300 is a one-port ATA (Analog Telephone Adapter) that gives users the opportunity to use their existing analog phones or fax machines to make calls over the Internet. The Obihai OBi300 supports T.38 fax and will work with most SIP-based Internet Service Providers (ISP). The Obihai OBi300 is a great choice for Voice Service Providers because it is completely zero touch customizable.




  • One FXS Port
  • Support for two SIP accounts
  • Fax support
  • USB port for use with USB devices or OBiWiFi or OBiBT- allows the OBi202 to work wirelessly!
  • Provisioning via HTTPS, HTTP, or TFTP
  • Zero Touch Configuration via HTTPS redirect to SP provisioning server
  • Customer support with the OBiTALK ITSP management portal
  • Message Waiting Indication - Visual and Tone Based
  • Speed Dialing of 99 OBi Endpoints or Numbers
  • Three-Party Conference Calling with Local Mixing
  • Hook Flash Event Signaling
  • Caller ID
  • Call Waiting
  • Call Forwarding
  • Call Transfer
  • Anonymous Call
  • Do Not Disturb
  • Call Return
  • Call Recording (From Device Web UI)
  • Call History (Last 200 Calls from Device Web UI)
  • Automatic Attendant (AA) for Simplified Call Routing
  • Call Back Service - Connect to AA to Make a New Call or Ring the Attached Phone


Mfg. Part Number: OBI300


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