Experience the Fastest Messaging. ACTIVATE YOUR VOICE!! EXPERIENCE A NEW WAY OF MESSAGING!! Experience the fastest messaging on Android Phone & Tablet! TalkBox is sending messages with your voice and now with text input supports. Join millions of TalkBoxers around the world and exchange voice messages free-of-charge with your friends! Push-to-talk (PTT) INSTANT Walkie Talkie, voice messaging, text messaging, photo sharing and location sharing with your friends. Cross-Platform Messenger.