Recently switched to Fios, what to expect from my boxes?

We recently switched from Xfinity to Fios because we were not seeing the speeds we were paying for through Xfinity, normally about half of what our plan was. Never had issues with our vSee boxes (running 3 V6+) on Xfinity, are there any issues others have had while using Fios? Ex: services on vSee being blocked or throttled? Any input would be appreciated.