Grandstream Wave is a free softphone application that allows users make and receive voice calls via up to 6 different residential or business SIP accounts on any Android device, anywhere in the world. Supports G.711u/a and G.722 HD-audio, G.726-32, G.729 and G.729 as well as G.726-32, G.726-32, G.726-32, G.726-32, G.729 and GSM. SIP over TLS and 128/256 bit SRTP are security features. Supports up to 6 people in audio conference and 24 virtual BLF keys. Native integration with mobile devices, including contact, call history, and ringtones. Enterprise features include IP PBX integration, call transfer/pickup and call recording with UCM and LDAP. Automatic call forwarding based upon time and location rules. Grandstream's UCM series of IP PBXs allows for full integration, including the creation of a QR code to enable automatic provisioning. Voice channel switching between Bluetooth headsets, earphones, speakerphones, and 3.5mm headsets Supports 2-way video calls using SIP & H.264 codecs