Turn your phone or tablet into a walkie talkie with this lightning fast free PTT (Push To Talk) radio app. Talk to your contacts privately or join public channels to engage in a hot debate.

Zello features:

• Real-time streaming, high quality voice
• Contacts availability and text status
• Public and private channels for up to 2500 users
• Option to map hardware PTT (Push To Talk) button
• Bluetooth headset support (selected phones)
• Android Wear support
• Voice history
• Call alert
• Images
• Push notifications
• Works over WiFi, 2G, 3G, or 4G mobile data

Zello uses proprietary low-latency push-to-talk protocol and is not interoperable with Voxer, Sprint Direct Connect or AT&T Enhanced PTT. Zello Android client supports free public service, ZelloWork cloud service, and private Zello Enterprise Server.