1. BY ANTHONY HARRIS

2. What is Skype Link below is video Communication software Enables live conversation video chat Live conversation via webcam IM communication Live message chat Similar to Aim voice communication Live voice communication via microphone http://www.youtube.com/watc h?v=HbUriYBcW-U

3. How to Get Skype Navigate to Skype website Choose download now Download latest version Skype 4.2 beta for windows Run application Skype.exe file Adjust cookies Right click in toolbar Select allow pop-ups

4. Getting Skype Cont… Save file Store in a place easy to remember Use default filename Setup wizard Follow setup instructions Create username and password Installation complete Shortcut will be placed on the desktop

5. About Skype Founded in 2003 Based in Luxembourg Has offices in Europe, Asia & U.S. Founder Niklas Zennistrom, Janis Friis & Andreessen Horowitz Canada Pension Plan Board Members Owned by Silver Lake Investment group Also led by Ebay Inc.

6. About Skype Cont… 8% of global international calling minutes Reported in third quarter of 2009 3.1 billion minutes used in 2009 Skype to landline Skype to mobile line 27.7 billion Skype minutes used in 2009 Skype to Skype calls Free of charge 9.2 billion minutes used via video chat

7. Partnership with LG Skype software will be featured on LG’s 2010 HDTV’s Net Cast Entertainment featured HDTV’s Skype is expected to be featured on 26 LED LCD plasmas, beginning this spring

8. Cellco Partnership Skype has partnered with Cellco Partnership Inc. to provide Skype service to Verizon wireless users Featured phones: Blackberry A storma 9530, curve 8330 and 8830, etc.

9. Partnership with Panasonic Skype services will be provided with Viera Cast HDTV’S Viera Cast is Panasonic’s brand of televisions with Web capabilities Such as YouTube, weather channel, Amazon video on- demand

10. Aspects of Skype Skype IN technology Can purchase online telephone number Non Skype users can reach you via that number Can purchase voice mail service Incoming calls free of charge Skype OUT technology Calling landline or mobile phones Configure so that your number appears of caller ID Skype PRO technology Package including IN and OUT technology Small monthly fee to maintain

11. How Identity is Protected Sign in info is sent over SSL (Secure Socket Layers) Info is encrypted before it leaves your computer Can only be decrypted by Skype Server Ensures conversations are safe and secure Digital Certificate Electronic credentials Secures username and password Prevents impersonators

12. Skype Security Skype operates better with direct communication Video picture quality is increased Sound quality is at its highest level Firewalls block outside computer access Protects hackers from accessing PC Keeps information secure Skype runs on network behind firewall Allows Skype features to function properly Doesn’t interfere with firewall settings

13. Skype Security Cont… Uses 256-bit AES encryption Most secure AES encryption Used by U.S. Government RSA encryption for algorithm exchange One of the first advances in cryptography Widely used in electronic commerce Use up-to-date implementations Gives sufficiently long keys Considered the most secure VoIP system today

14. How Skype Works Uses SIP SIP( standard variation of TCP/IP Protocol Used to create data packets Allows for information to be sent Data is then sent Sent along the same network we use for e-mail and web surfing Travel of info begins at sender Skype phone

15. How Skype works Cont… Info is sent to software application Skype application Installed on Sender PC Each device must be able to send and receive data packets Packets are sent over IPv4 network The voice is then captured Voice is transcoded from analog format that the microphone is captured Voice is then transformed into digital format

16. How it Works Cont… Then passed onto a compressor Minimizes audio stream Enables transfer on slow connection Audio stream is divided Split into smaller pieces Allowing for them to fit in each data packet Placed into the packet Stamped with a destination address Is then sent to destination

17. How it Works…. The Receiver receives packet reconstructs the packets sequentially for ideal production Latency and packet loss are possibilities Render receiving end In return receiver can’t construct packet Causing blank space in audio stream for a small period of time

18. Skype Video http://www.youtube.com/watch?v=KH80vs8DweU