Arsenal is a realtime collaboration (RTC) and conferencing platform. It supports presence, instant messaging, filesharing, voice conferencing, persistent sessions for sharing whiteboard, web browser, images, and group chat.
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This release adds SIP (RFC 3261) to support PC-PC phone
calls. It integrates the NIST SIP Proxy/Registrar server and
the Java.net SIP communicator (phone) for voice over IP
from
one Arsenal client to another.