A Scalable Distributed VoIP Conferencing Using SIP. - R. Venkatesha Prasad; Richard Hurni; H. S. Jamadagni (ISCC, 2003)

A Proposal for Distributed Conferencing on SIP Using Conference Servers. - R. Venkatesha Prasad; Richard Hurni; H. S. Jamadagni (MMNS, 2003)

Deployment issues of a VoIP conferencing system in a Virtual Conferencing Environment. - R. Venkatesha Prasad; Richard Hurni; H. S. Jamadagni; H. N. Shankar (VRST, 2003)