[USNBandit]

A lot of regular phone plans allow for parental controls. Your son could always call you and a list of numbers you choose, along with texts to those people.

https://wbillpay.verizonwireless.com/vzw/nos/safeguards/SafeguardProductDetails.action?productName=usagecontrols

One of my coworkers uses this with his teenagers and seems happy with it.

[gitmo]

I’ll give them a shot. Mrs Gitmo & I have Verizon accounts.