- Asterisk, Digium, Sangoma, Polycom, Open Source VoIP Consultant

Asterisk and VoIP

Free & Open Source Software Professionals of Denver provides a wide range of Asterisk solutions, from turnkey systems to custom design and integration.

Polycom SoundPoint

What is Asterisk? Asterisk is an open source PBX system that runs on Linux, FreeBSD, and MacOSX. Asterisk provides all of the features you would expect from a corporate phone system and more. It also supports Voice over IP and can inter-operate with almost all standard telephony equipment and connections.


Business Phone Systems – Unlimited voice mail boxes, IVR (menu system) with optional voice recognition, detailed call reporting, monitor employees, video conferencing, online access to voicemails, automated order status/processing, call forwarding, paging, and much more.

Asterisk & Linux Training - One on one and small groups. Our personalized classes are great for the most novice user to the most experienced IT professionals.

CondoResidential Deployments – Voice, High Speed Internet, & Television (Triple Play) services for condominiums, private communities, hotels, and resorts. Linux Technology Group can customize your community's telecommunication network from the ground up using 21st century technology often at a fraction of the cost of brand name cable and telephone carriers.

  • Low Cost, Reliable VoIP Based Phone Service
  • Developer and CoOp Packages
  • Fully Managed Billing & Payment Processing
  • HDTV with On Demand Programming
  • High Speed Internet Services

Asterisk Hosting - LTG's Virtual PBX - Are you a small business who wants to look and sound like a large business without buying cost prohibitive hardware? LTG's Virtual PBX just might be the answer. Setup voice mail boxes, IVRs, remote extensions, and more for just a nominal monthly fee. Call us today for a free quote.

Call Centers – High volume, agent monitoring (real time and recorded), agent status, call tracking, hold time estimation – we can deliver. Linux Technology Group's call center solutions go head to head with the over priced solutions available from major manufacturers.

The Others - Linux Technology Group offers full support for other open source VoIP solutions such as SIP Express Router (SER). Call us for more details.