I use to be reluctant to ring people I was going to pass. Now it is rather fun to chirp at them. It appears to get their attention in a pleasant way. And to be able to escalate the sound is reassuring.
Mac G., Unknown, USA
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I use to be reluctant to ring people I was going to pass. Now it is rather fun to chirp at them. It appears to get their attention in a pleasant way. And to be able to escalate the sound is reassuring.
Mac G., Unknown, USA



































