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Plivo is a cloud communications platform and a popular alternative to Twilio. PHLO (Plivo High Level Objects) lets you click on components, drag them to a canvas, and customize them with a few clicks. IVR systems let callers access information and find contacts via a menu of prerecorded messages without having to speak to a human. Plivo’s tool that lets you build IVR menus through a graphical user interface is available for free. To create a PHLo for an IVR system, you need a Plivo account, which you can create free.