FiOS

FiOS is a FREE audio/video calls and text messaging app.

Make FREE voice and video calls to all your friends around the world.

FiOS key features:

* FREE voice and video calls over 3G, 4G or Wi-Fi connection.

* high definition audio and video calls

* free WORLD Wide CHAT Service communicate instantly

* audio conference calls with various participants

* pictures and file sharing

* secure communication (encrypted chats and calls)

* low battery usage with high reliability/stability

* low latency

* supports opus, speex, PCMU, PCMA, iLBC, iSAC, L16, G722, and GSM audio codecs

* supports VP8, H264, and H265 video codecs