BluePipe-VoIP is a free app to access the BluePipe voice-over-IP push-to-talk service.

Features:
- Simple push-to-talk functionality
- Easy-to-use interface
- PTT Hold or Toggle button style
- Bluetooth support
- Real-time streaming of high quality voice
- Streaming of custom audio
- Group channels and private chat
- Walkie-talkie or conference style calls
- Works over WiFi or mobile data networks
- Secure communication
- Configurable data rate per channel
- Server-side audio-recording capability
- Web portal access to recordings

NB: this is an enterprise application, intended for BluePipe customers, accessing production servers. However, if you are not yet a registered user, the app will still function in GUI-demo mode providing look-and-feel without voice-data transmission.