IBM Connections Cloud contains one-to-one video and voice chat capabilities that are based on the same audio and video technology found in Sametime 9. IBM Connections Cloud A/V uses H.264 SVC for Video and Siren-SAC for Audio. Connections Cloud supports Dynamic Bandwidth Allocation to automatically adjust bandwidth utilization in response to changing network conditions, while providing the best possible user experience.
For details, see the following links in the administration documentation for Sametime 9:
Managing media encryption and codecs
Defining global Video MCU settings