If you are using Lifesize 220 series device paired with Lifesize Cloud, Then you can Start Recording your Lifesize Cloud Call by clicking Single Button.
Yess. Just Press "BLUE" Button on the Remote Control and Recording will start automatically...!
Other ways are by Touching "Record" Icon on the Lifesize Phone (If you are using Lifesize Phone with 220 device)
Its that Easy to Use Award winning Lifesize Cloud Service.