Decibel is a realtime communication framework based on Telepathy. It is meant to integrate VoIP, text chat, CTI , and similar applications into the user's desktop. Decibel consists of a desktop neutral policy daemon called Houston and desktop specific components for user interaction.
Decibel is a new communication framework for KDE4, the next major release of the K Desktop Environment. Decibel aims to integrate all communication protocols into the desktop. As of now they have all their contacts in different applications: AOL, MSN, E-mail, Skype, etc.