GTC's Adrian Wooster gave a presentation at B2bEvent's Next Generation Services conference at the beginning of December entitled "OpenSource & Voip - Free as in Freedom and as in beer".

The presentation focusses on how re-thinking telephony as a "voice application server" rather than a PBX creates novel opportunities, and that OpenSource software is the key driver in this world. With some clear warnings to today's voice market and to the nascent VoIP providers, we describe a world where all calls are unmetered, and where other differentiators will become the key to success. In this world, tools like Asterisk will be as important to service providers as Apache is today.

The presentation includes some intriguing concepts and case studies.