Has anyone on here got one of these little boxes and if so can they tell me how effective it is. My elderly friend has become involved in looking after her much younger neighbour who has alzheimers. This is causing great anxiety as the AD sufferer, lets call her Jane has recently become much more confused. Jane has received a phone call from some company saying they want to complete her registration for a free call blocking service - they were most insistent she give them the long number on the front of her credit card. Luckily my friend arrived in time to deal with the caller and hung up. I am certain this call was a scam but Jane is exceedingly vulnerable to these cold callers. I have done a bit of digging on the internet and found a device called "trueCall CARE" the more expensive of two devices they supply and would appreciate any comments from anyone who used or had experience of using this device. Thank you.