3CX vs WhatsApp: What are the differences?
What is 3CX? Your PBX, Your Way: On-premise or in the Cloud. It is an open standards IP PBX that offers complete Unified Communications, out of the box. Suitable for any business size or industry it can accommodate to your every need; from mobility and status to advanced contact center features and more, at a fraction of the cost.
What is WhatsApp? *A freeware, cross-platform messaging and Voice over IP service *. It is a cross-platform mobile messaging app for iPhone, BlackBerry, Android, Windows Phone and Nokia. It allows users to send text messages and voice messages, make voice and video calls, and share images, documents, user locations, and other media.
3CX and WhatsApp belong to "Phone" category of the tech stack.