The following devices support conferencing for Lync endpoints:
• Cisco MCU—Cisco’s MCUs provide advanced layout and overlay controls for conferences involving standards-based endpoints.
• Polycom RMX—The Polycom RMX platform is a scalable system that also provides advanced conferencing services for standards-based endpoints.
• Radvision MCU—The Radvision MCU allows for layout flexibility and virtual rooms. A SCOPIA Video Gateway must be used to connect Lync endpoints to these MCUs.