v1 — choose this for PHP 8.2–8.4 projects, production deployments, or when you don't need the newest Bitrix24 API methods. v3 — choose this for PHP 8.4+ projects that need access to new REST API ...

The Plivo PHP SDK makes it simpler to integrate communications into your PHP applications using the Plivo REST API. Using the SDK, you will be able to make voice calls, send SMS and generate Plivo XML ...