|Seminar: Voice Mail service over open protocolsLevel: IntermediateSkype, Vonage, FWD, Google Talk, MS Messanger, Y! Messenger are among the many free VoIP clients that are rapidly making open protocol VoIP pervasive. What naturally follows is a wave of new generation telephony services that anyone can start writing on their laptops as easy as web apps are written. If you would like to learn about Mobicents - an Open Source JSLEE server that you can built telephony applications on, this workshop is for you. We will go over the architecture of a practical example implementing a Voice Mail service over open protocols - SIP and RTP.