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Skype

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A proprietary protocol VOIP system built using Peer-to-peer (P2P) techniques. Free for non commercial use when using softphones (PC to PC). Offers toll access to PSTN via SkypeOut and SkypeIn. From the company that created KaZaA. Now owned by Microsoft.

https://www.skype.com/en/

Licenses the Global IP Sound VoiceEngine suite of codecs and related software including their wideband codecs (double the width of regular pstn.) If you find yourself asking, “why does Skype sound so good?”, the answer is primarily this wideband ability.

Quote from website:

“I knew it was over when I downloaded Skype”, Michael Powell, chairman, Federal Communications Commission, explained. “When the inventors of KaZaA are distributing for free a little program that you can use to talk to anybody else, and the quality is fantastic, and it’s free. It’s over. The world will change now inevitably.”

— Fortune Magazine, 16th February 2004

Skype/SIP gateway setup instructions for FreePBX/Asterisk systems: Why Wait? Build Your Own Skype Gateway to Asterisk

Skype API: http://www.skype.com/community/devzone/

An analysis of the protocol with focus on NAT capabilities and audio compression (PDF) http://www.cs.columbia.edu/~library/TR-repository/reports/reports-2004/cucs-039-04.pdf

Related Products

  • IVR for Skype Open Source C#. No hardware required.
  • PrettyMay Call Center for Skype – Set up your own Skype Phone System within 10 minutes.
  • AmperorDirect.com Skype Solutions Offering Skype USB Phone and Adapters
  • Atcom USB Phone ,AU-100 also support x-pro/x-lite/msn/eyebeam/etc.
  • Atcom USB Phone ,AU-100 also support x-pro/x-lite/msn/eyebeam/etc.
  • Bitwalker Boomerang A Skype based web callback system (AKA Click to Call).
  • ++Skype C++ library for skype add-on platform independent software development. It is platform independent, easy to use, and easy to extend because of the flexible library design, inspired by modern C++ design ideas.

Alternatives to Skype

News

  • 2011-12-23 – IVR for Skype 5.0.0.3 Open Source C#. No hardware required.
  • 2006-10-27 – How to block Skype – Seven methods for blocking Skype on a corporate network
  • 2006-07-25 – Skype in the UK Sprechen Sie Skype?
  • 2005-02-18 – Skype, Xandros Bundle VoIP, Linux Internetnews.com story
  • 2004-07-27 – Skype releases PSTN Gateway service

See also

Skype Hardware


VOIP Service Providers
Wideband VoIP
Skype Reviews

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