Editor’s Note: This article was originally posted in August 2010 and has been fully updated for accuracy and comprehensiveness in October 2015.

If you are researching into deploying a VoIP Telephony System on your own for the first time, you are probably seeing FXS and FXO acronyms all over the place.  When you’re new to VoIP and learning it can be very difficult. Hopefully I can help to make a little sense of FXS/FXO for you.

Let’s start with FXS Ports

FXS stands for foreign exchange subscriber.  Since that is so clear and makes so much sense I can stop there right? Not! So clearly the actual meaning of these words isn’t going to help us remember or understand what they mean.

FXS is an …

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We are excited to announce the first ever VoIP Supply branded IP PBX, the RenegadePBX 1U Appliance. At VoIP Supply, we strive to put you, the customer, first. With over 13 years of perfecting your buying experience before, during and after your purchase we wanted to bring this experience to our own appliance.

The choices are all up to you!

In true VoIP Supply fashion, we didn’t want to limit you to only certain choices with your IP PBX. The RenegadePBX allows you to mold the exact appliance needed for your situation.

  • Choose your own open source software platform (installed on your appliance prior to shipment)
  • Connection to the PSTN if needed
  • Choose the SIP trunking provider you would like (our new CloudSpan Marketplace will


VoIP Supply has been the leading hardware supplier for over 13 years and has truly perfected the buying experience for our customers. We knew we were missing a piece of the puzzle and we have expanded our team to fill the gap for our customers. We are now able to offer you VoIP Service!

CloudSpan Marketplace

We would like to officially introduce to you the CloudSpan Marketplace. “The Marketplace is a single place to shop various cloud service offerings, in order to find the perfect match for their business’s size and needs,” said Wes Mathews, Director of Cloud Services.


Here are a few of the benefits when working with the CloudSpan Marketplace:

  • Dedicated VoIP Solutions Specialists at your fingertips
  • Service Providers

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VoIP Supply is continually growing and striving to make the customer experience better. We wanted to share with you our newest addition to our customer satisfaction tool kit.

The Customer Always Comes First

We have created an interactive demo lab for use by our sales team, tech support team and any customers who would like to visit. We have all types of equipment in our lab from VoIP Headsets, VoIP Phones, IP Paging equipment and also multiple types of IP PBX Appliances.

Check out the video created by our new Video Production Manager, Stephen Lopian.

Our custom tech table was built locally specifically for our Interactive Lab at VoIP Supply.

Tech Support can troubleshoot better than ever

It is great for …

Cisco UC300 and UC500

The Cisco Unified Communications Series for Small Business, specifically the UC300 and UC500 device series, have reached end-of-life (EoL) status.

Support for these platforms began phasing out on January 1, 2015.

Digium is currently offering a promotion to help you switch from Cisco to a Switchvox UC platform.

For many customers, a Switchvox solution can be purchased for less than the annual cost of a Cisco support contract.

Promotion Details

  • Must be a new Switchvox solution that replaces an existing Cisco UC300 and UC500 solution.
  • This promotion CAN be stacked with other Digium promotions.
  • Work with your VoIP Supply account rep – Devices cannot be purchased online for the same discount.

Eligible Digium Products for Cisco Replacement Promotion

Unified Communications Appliances

  • Switchvox 80

A website based in Russia is broadcasting live video streams from private cameras around the world says Simon Rice in his blog for the Information Commissioner’s Office in the UK.

Any camera-enabled device such as webcams, laptops, tablets, baby monitors, and cell phones are all at risk.

They’re gaining access just by using the camera’s default password that’s set up by the manufacturer which is easy enough to find anywhere.

Even we’re guilty of sharing this list from IP Video Market in this blog post way back when, but it was for nefarious purposes.

If you don’t want someone spying on you, Rice advises these three things:

  1. Change your default password!
  2. Review all available security settings on your camera.
  3. Secure any device that’s connected to

WARNING-Check Your EdgeMarc Password

Our partner Bandwidth has alerted us that there is potentially a problem with the password security of EdgeMarc Gateways and Session Border Controllers (ESBC).

This might affect all EdgeMarc device owners. In short, the default Username / Password of “Root” / “Default” of these devices have been compromised.

However, if you changed your log in credentials when you programmed your EdgeMarc device then you are probably safe. If you were never prompted to change the default username / password you may not have thought to change it.

How to Tell If Your EdgeMarc Password Should be Changed and Steps to Take

From the Bandwidth announcement, here’s how to tell if you need to change your password and the steps to take:

If you are

The 2014 Microsoft Worldwide Partner Conference (WPC) is happening this week so we thought it would be a good idea to highlight some of our Microsoft Lync devices for Unified Communications (UC).

The Microsoft WPC is an annual conference for members of the Microsoft Partner Network (MPN). Some of our own partners, of which we carry their Lync products, are exhibiting or sponsoring the WPC 2014 such as:

  • 3CX:   Software-based PBX for Microsoft Windows
  • AudioCodes:  Lync Gateways
  • Cisco:  Cisco UC services integrated with Lync
  • Jabra:  Lync headsets
  • Patton:  Lync gateways
  • Plantronics:  Lync headsets, speakerphones
  • Polycom:  Lync phones, speakerphones, video conferencing
  • Sangoma:  Lync gateways
  • Sennheiser:  Lync headsets
  • snom:  Lync phones

The WPC features keynote speakers, …

Xorcom was founded in 2004 as a privately-held IP-PBX manufacturer.

Taking full advantage of the Asterisk® Open Source IP-PBX platform, Xorcom offers the hotel industry, business enterprises, and government agencies a powerful and flexible telephony platform.

If you’ve been thinking of using Xorcom for your application, you should watch their newest video (above) which explains, in a nutshell, all of their sophisticated features such as:

  • Desktop call management, recording and monitoring
  • Visual voicemail
  • Virtual fax
  • Conference bridges
  • Auto attendants
  • Remote employee connectivity
  • Advanced intrusion detection and security alerts

Xorcom states that their products “offer automated fail-over for both the IP-PBX and telephony interfaces, easy integration with third-party products, central browser-based management and much more.”

Need Xorcom Help?

Need help getting a Xorcom system up and …


This promotional combo ends on March 31, 2014.

Free Switchvox User Training Details

Now is a great time for small and medium businesses to step into a new Switchvox SMB Unified Communications (UC) solution.

We’re excited to offer free Switchvox User Training, valued at $995, with the purchase of the following Switchvox SMB appliances and software:

If you’re checking out online, it’s simple. Under “Options” just select the Switchvox User Training box to add it to your order at no charge.

Switchvox promo

“The Switchvox User Training is an online, self-paced two hour course that will teach anyone in your business the ins and outs of Switchvox, the Switchvox user web suite …