This is a baresip based SIP User Agent application for Android.

Currently baresip app supports voice calls. text messages, voicemail Message Waiting Indication as well as blind and attended call transfers. Voice can be coded with Opus, AMR, Codec2, G.729, G.722, G.722.1, G.726, or PCMU/PCMA codecs. Security is achieved via TLS or WSS SIP signaling transport and ZRTP or (DTLS) SRTP media encapsulation.

Development of baresip app is motivated by need for a secure, open source SIP based VoIP User