Was good before, not any more in UAE
I have been using the service since two years. But for the last 4-5 months, the service was blocked on du operator in UAE, for VOIP it only works with one ISP now - Etisalat. I am no longer able to make VOIP calls (Whatsapp) which worked fine with du + VPNC before. the VOIP however works with Etisalat as ISP on the same phone. I guess they got flagged.