JioChat is basically a messaging app which support Audio-Video calling, video conferencing, p2p/group messages. User can follow the top brand channels and stay connected with the latest updates. It also supports video stories in explore section.

tlkn is a free VoIP app which offers free HD audio calls to another tlkn user and International mobile and landline calls with affordable rate. It uses SIP protocol for signaling. tlkn main features are Audio calling, Contact sync, Multi device login, wallet sharing etc.

Bria & X-lite are the softphones which works on SIP Protocol and supports Audio Video Calling, Conferencing, Instant Messaging, Transfer & Forwarding of Calls.