You might be able to get voice using some of the android options, I don’t know because I don’t use those.
The devices for the new line (But not the old one) will mostly work with SmartThings, and a number of community members are using them because the price is good. You can find forum topics on those under “centralite sensors.”
See the following for general discussion:
(Jason "The Enabler" as deemed so by @Smart)
Thanks, I’m actually using several of the iris contacts with my ST system. Mostly I was just curious of the compatibility of outside devices with iris. Kind of like I can but just about anything and hook it to my ST.