Connect a 3CX phone system to 8 FXO trunks

3CX Users, Patton just made your life easier. For fast, easy setup, Patton’s new FXO analog-trunking VoIP CPE can connect your 3CX phone system to the PSTN with up to eight FXO analog trunks. Or a mix of up to twelve BRI/FXS/FXO lines. Now, you can get your SIP-PBX phone system up and running in just a few minutes. Just download the 3CX configuration template…

SmartNode 4140 8-FXO Gateway Application
8-FXO Gateway Application – SN4140 8-call Analog VoIP Gateway (field-upgradeable to eSBC)

Patton has been making analog trunking gateways for decades. The recently announced menu of on-premise FXO VoIP devices offers ideal solutions for SMBs that need up to 8 FXO trunks to connect with a SIP PBX (a.k.a. IP PBX).

These new Patton gateways, eSBCs, and eSBC-Routers are perfect for delivering…

  • First-Line analog POTS connectivity
  • BRI/S0 connectivity
  • PSTN/ISDN fallback and survivability

…for any on-premise all-IP enterprise telephony system. Including 3CX, Avaya, Asterisk, RingCentral, Mitel, Panasonic, and many others.

 PSTN Fsllback with 8 FXOs
PSTN Fallback with 8 FXOs – SmartNode 5540 eSBC

Press Release
New Analog Trunking Gateway morphs from FXO to SIP when you go All-IP

For people that need a digital-analog hybrid solution, the Smartnode 5550 offers a great deal of flexibility on your interface options.

Hybrid 8-FXO/4-BRI application – SN5550 16-call hybrid FXS/FXO/BRI-S0 eSBC and Router

You can order this little sweetheart from a menu of choices. . .

  • 2, 4 or 8 FXO
  • 4 FXS + 4 FXO
  • 2 BRI + 2 FXS
  • 4 BRI + 4 FXS
  • 2 BRI + 2FXS + 2 FXO
  • 4 BRI + 4 FXS + 4 FXO

SmartNode Configuration Wizard
All the new FXO SmartNode solutions work with Patton’s WebWizard—a powerful, time-saving configuration tool for carriers, installers, and end-customers. Go to

What do you think?

  • Have YOU ever set up a SmartNode with a 3CX system? How did it go?
  • Which of the FXO applications pictured above are most interesting to you?

Add your thoughts in the comments below…


W. Glendon Flowers
Product Marketing Manager | Patton LLC
Glendon is responsible for creating corporate marketing and technical content including press releases, web copy, white papers, case studies, educational and tutorial pieces as well as other publications. He serves as editor-in-chief for Patton's email newsletter and other outbound communications. He holds a Bachelor of Science in Computer Science from UMUC and a Bachelor of Music in percussion performance from UMCP. Mr. Flowers is a single father with three adult daughters: Lauren, Hannah & Sarah (twins). He plays guitar, bass, keyboards, drums, and percussion and enjoys composing and arranging music and songs.

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