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There are several Windows, Mac and iOS and Andriod apps that can be helpful in using your Cool Telecom phone service. Here are the ones we feel you must have to enjoy all of the features and benefits of your Cool Telecom installed equipment.


3CX Softphone for Windows, Android and iPhone

3CXPhone is a free VoIP phone available for Windows, iPhone or any Android based smart phone such as Google Nexus, Sony Xperia, Motorola Droid or Samsung Galaxy. Connect 3CXPhone to a VoIP provider or to a VoIP PBX (like the Cooler Master PBX) to make calls to any VoIP, mobile or landline number.

Get 3CX Softphone

WavPlayer for Android

For playing audio, the Android Operating System only supports a limited number of media formats. Cool Telecom forwards voice messages to its subscribers as email attachments, however these files are compressed .gsm files. Attempting to play them back with the built-in 'Music' application will cause the error: Unable to play this type of audio file. WavPlayer solves this problem.

Get WavPlayer for Android

Mr. Number for Android, iOS and BlackBerry

More calls when you want them. No calls when you don’t. Mr. Number.
  • Let your friends know when you're free and when you're busy
  • Block calls from people you don't want to hear from again
  • Find out who is calling when you don't recognize the number (US only)

Get Mr. Number for your smart phone