DialBunny

DialBunny is a plugin that lets you make and receive calls and text messages through your Twilio account directly from your WordPress dashboard.

Xoxzo Inc.

This plugin triggers sms and voice call using xoxzo telephony service. 
Some triggers are based on woocommmerce email events.
The following are events that trigger sms/voice notification:
<ol>
<li>New order
<ul>
<li>Pending to processing/completed/on-hold </li>
<li>Failed to processing/completed/on-hold </li>
</ul>
</li>
<li>Cancelled order
<ul>
<li>Processing to cancelled</li>
<li>On-hold to cancelled</li>
</ul>
</li>
<li>Failed order
<ul>
<li>On-hold to failed</li>
<li>Pending to failed</li>
</ul>
</li>
<li>Order on-hold
<ul>
<li>Pending to on-hold</li>
<li>Failed to on-hold</li>
</ul>
</li>
<li>Processing order
<ul>
<li>Failed to processing</li>
<li>On-hold to processing</li>
<li>Pending to processing</li>
</ul>
</li>
<li>Completed order</li>
<li>Fully refunded order</li>
<li>Partially refunded order</li>
<li>Low stock</li>
<li>No stock</li>
<li>Order details(Resending order information)</li>
<li>Customer note</li>
<li>Reset password</li>
<li>New account</li>
</ol>

Xoxzo – SMS and voice notification plugin for WooCommerce

This plugin triggers sms and voice call using xoxzo telephony service.

DialBunny vs Xoxzo – SMS and voice notification plugin for WooCommerce