If your son has a device with Android 8 or later, enabling the MAC Address Randomisation option allows him to evade Pausing in seconds !
I'd suggest not using pausing at all, folks regularly cause chaos & block everything from their own mobile, work laptops & heating systems. Very soon someone will block their Tesla from the EV charger !
The following notes are based on a Hub 3 as that is what we have and if you have a Hub 4 or 5 the same approach, but the navigation may differ a little ...
Disable MAC filtering to re-enable Paused devices
Login to the Hub's menus at http://192.168.0.1
1) Advanced settings >>> Wireless >>> Security
1.1) then set Wireless MAC Filtering to Disabled
1.2) "Apply changes"
2) Advanced settings >>> Security >>> MAC Filtering
2.1) then delete all entries in the MAC filter list
2.2 Enable Always on
2.3) "Apply changes"
