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Build Yours Now

The Cooler Master PBX gives you the FREEDOM to do what you do best whether you're a realtor or an insurance agent, a locksmith or a mechanic, a home based entrepreneur or the CEO of a small to medium sized company.

Block annoying telemarketers while allowing your customers to reach you when and where you want to be reached. (The Black List is just ONE of our many, many features)

The time has come to fall in love with a Cooler Master PBX. Let the romance begin.

Experience Freedom

The Cooler Master PBX is your gateway to unimaginable telecommunications freedom and reliability. The Cooler Master is a rugged piece of equipment that can carry you through the next ten years with simple routine maintenance. This PBX can provide you with service which has no equal, anywhere!

The Cooler Master PBX works just fine with single line phones as well as multiline phones like the Cisco SPA525g2.

Cool Telecom has always been about one thing and one thing only. Creating the most efficient and economical telephone system imaginable.

Imagine telephone service that revolves around you!
Imagine No Contracts!
Imagine business telecommunications tailored to fit your way of doing things.
We don't nickel and dime you on features either. Pretty much everything is 'standard' with our PBX. Look at the multitude of features you get.

Cooler Master PBX Call Features

Some of these features the telephone company can't even DO. But you can with the Cooler Master PBX. You can do everything the traditional landline telephone service companies can do. And it all belongs to YOU. Virtually anything is possible with Cool Telecom and the Cooler Master PBX. It puts YOU in complete control of your telecommunications and frees you up to doing what you do.

Cooler Master PBX Advanced Features

  • Remote Call Pickup
  • Remote Office Support
  • Roaming Extensions
  • Route by Caller ID
  • Supervised Transfer
  • Talk Detection
  • Three-way Calling
  • Time and Date
  • Transcoding
  • Trunking
  • VoIP Gateways
  • Versatile Voicemail
  • Indicator for Message Waiting
  • Stutter Dialtone for Message Waiting
  • Voicemail to email
  • Web Voicemail Interface
  • Computer-Telephony Integration
  • AGI (Asterisk Gateway Interface)
  • Graphical Call Manager
  • Outbound Call Spooling
  • TDMoE (Time Division Multiplex over Ethernet)
  • Allows direct connection of Asterisk PBX
  • Zero latency
  • Uses commodity Ethernet hardware
  • Voice over IP
  • Integration of physically separate installations


  • G.711 (A-Law & µ-Law)
  • G.722
  • G.723.1 (pass through)
  • G.726
  • G.729 (through purchase of a commercial license)
  • GSM
  • iLBC


  • IAX™ (Inter-Asterisk Exchange)
  • H.323
  • SIP (Session Initiation Protocol)
  • MGCP (Media Gateway Control Protocol
  • SCCP (Cisco® Skinny®)
  • Traditional Telephony Interoperability
  • FXS
  • FXO
  • DTMF support
  • PRI Protocols

Your calls continue uninterrupted with full or part time fail-over service from Cool Telecom. This system allows you to enjoy the same type of redundancy your local land line companies can offer but without the high monthly bill.


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