Learning Scratch with Tweet and Mini Tweet: What is Scratch?

You never know what will happen next in life. One lazy afternoon, when I was enjoying my afternoon tea, two funny yellow birds showed up at my door. They introduced themselves as Tweet and Mini Tweet. I guess they are twins, but one is much much bigger than the other. They came with questions, and, boys, did I have the answer!

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Set up Asterisk Server on Ubuntu VM in VirtualBox to test Linphone : Part 1

When working with VOIP, it’s helpful to have Asterisk server on the development machine. Asterisk server is Digium’s software implementation of PBX (private branching exchange), which provides features like voice calls, video and voice conferencing, and messaging.¬† This blog entry details how to set up and apply basic configuration to an Asterisk on an Ubuntu virtual machine.

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