A brand-new software called Open Doors for safe, secure and private audio voice connectivity has been released by Truecaller, a global platform for validating contacts and eliminating unsolicited communications.   The goal of Open Doors is to facilitate amusing, spontaneous, private interactions on a worldwide scale. The Google Play Store and Apple App Store will offer Open Doors absolutely free to download and use. The software is the product of diligent development work by teams in India and Stockholm.   Users may sign up for the app using their phone number and a one-time password (OTP), or they can sign in using their current Truecaller account.   Users may start a chat at any time, and everyone in their contact list who also has the app installed, will receive an invitation to participate. When their friend joins, their contacts will be notified as well, and the cycle will continue indefinitely.…