The TrueVoIP app is a SIP softclient that extends TrueVoIP functionality beyond the desktop. It brings some of the most used features of TrueVoIP directly to your mobile device. With the TrueVoIP app, users are able to maintain their business identity when making or receiving calls with their mobile device. Users can also transfer calls to other extensions, dial internal users, access and manage their voicemail messages, view their call history, and more.