Wisphy is a freeware and cross-platform messaging and Voice over IP service owned by Duggal Sons Infotech Private Limited, a privately held company registered in New Delhi, India. The application allows the sending of text messages and voice calls, as well as HD video calls, images and other media, documents, and user location.

Wisphy is the fastest messaging app on the market, connecting people via a unique, distributed network of data centers around the globe.