Today major social media plat from WhatsApp lift its ban in UAE. This is not official most probability this may be a bug in their software. This will be corrected any time. So friends now you can enjoy unlimited call to your home country via WhatsApp.
Telecommunications Regulatory Authority (TRA) announced that its policy on VoIP still stands. A telecom operator in the UAE also later confirmed that the voice and video-calling feature on WhatsApp remains blocked.