Grandstream Wave is a FREE softphone application that allows users to make and receive voice calls through up to 6 different business or residential SIP accounts on any Android device from anywhere in the world. Supports G.711µ/a, G.722 (HD-audio), G.726-32, G.729, GSM, iLBC, Opus and Speex codecs. Security features include SIP over TLS and 128/256-bit SRTP. Up to 6-way audio conference, and 24 virtual BLF keys Supports 6 SIP accounts. Native integration with mobile devices including contact, call history and ringtones. Enterprise features including IP PBX integration, BLF, call transfer/pickup, call recording with UCM, LDAP. Automatic call forwarding based on time and location rules. Full integration with Grandstream’s UCM-series of IP PBXs, including creation of QR code for automatic provisioning. Voice channel switching between Bluetooth, earphone, speakerphone & 3.5mm headset Supports 2-way video calls based on SIP & H.264 video codec.