1. EEE436/CS422 - Wireless Networking Technologies and Applications Spring 2009 Project Presentation: By: Tuna Karaman, Berke Kamgözen, Timurhan Sungur, Burak Baskın 15th May 2009

2.  Features and Capabilities of the system  How Does the Application Work?  Demonstration  Possible Improvements

3.  Convenient voice communication over wi-fi wireless network  Ad-hoc, between PDAs  Install simple application on PDAs

4.  Half-duplex communication  Uses existing infrastructure for communication  Multi-hop capability over mesh network

5.  Implemented using C# .Net Compact Framework  P/Invoke to call Win32 dll’s on.Net Platform  TCP for establishing connection and UDP for voice transfer

6.  Sender enters his username and the receiver’s IP address  Receiver accepts connection  Push-to-Talk

8.  Mesh network capabilities  Sound quality  Bandwidth usage

9. Thanks to our supervisors; Prof. Ezhan Karaşan, Prof. İbrahim Körpeoğlu and Alper Rıfat Uluçınar for their feedback and support.