Node-Red is pretty useful for wiring together IOF (Internet of Things) devices, but its currently tied to node.js. Here is a way to run it clientside (on a browser) for those things that aren't allowed to run node.js.

Recently I've been trying to get a web phone up and running, my only real requirement was to use Asterisk. So I decided to go with the following technology stack, JsSIP, Chrome and Asterisk.