If you have devices that don’t need to use the phone feature don’t put SIM cards in them so they can’t make or receive phone calls.
Darren OConnor | doconnor@resalire.co.uk
https://www.linkedin.com/in/darrenoconnor/
I'm not an employee of Cisco/Meraki. My posts are based on Meraki best practice and what has worked for me in the field.