I am using a lenovo T430 laptop with i5 2.3/4 GB RAM and when i share my screen then there is a delay on 40-60 seconds and teh same delay is observed if someone shares the screen with me 

We have few SX20 standalone devices, some connect to MCU and others in spark cloud, is itpossible to connect all of them via IP or SIP add? We also need to ugrade the Standalone SX20 to cloud, i need a quick guide on how to do it OS version- ce 8.2.2...