This page stands in for your public site. The floating button in the corner is the embeddable widget. If nobody picks up in 20 seconds, the assistant takes the message by voice and it lands in the desk.
<script src="https://call.daleyorganics.com/widget.js" defer
data-label="Call us"></script>
One tag, no build step. Add data-mode="audio" to preselect audio-only.
Open the owner desk in another tab, tick Accept calls, then press the call button here.