Vol 116 Issue 3 2007-10-15 Article 18739 from section "Java Technology"

Java Application for Mixing VoIP Audio in Conference Calls

Sun Labs Voice Bridge is now an open source project named
jVoiceBridge. This Java application handles Voice over IP (VoIP)
audio communication and mixing for tasks such as conference calls,
voice chat, speech detection and audio for 3D virtual environments.

Details at

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