Viber was developed by Talmon Marco and Igor Magazinnik in Tel Aviv, Israel, in 2010. Viber includes other features such as disappearing messages, password-protected chats, and auto-deleting messages as well. This means messages are encrypted on your phone or computer as they are sent and only the recipient you sent them to has the key to decrypt them. Yes, Viber uses end to end encryption on 1-on-1 messages and group messages. Use Viber on your smartphone, tablet and computer when you're connected to a Wi-Fi, 3G or 4G network. Viber syncs your contacts, messages and call history with your mobile device, so you can start the conversation on the Viber mobile application and continue from the comfort of your PC. Viber lets you send free messages and make free calls to other Viber users, on any device and network, in any country. You can make audio and video calls, send video or voice messages, use stickers, GIFs and more. Viber for Android now supports over 35 languages.With Viber you can send messages of all types and make phone calls to other Viber users for free. So, people can now make calls and send messages directly from their computers as well. Viber for PC and Mac are also available in addition to mobile versions. Notifications sounds can be customized or turned off.

The notifications for new messages appear instantly in notifications menu of phone. Push notifications guarantee that notifications for calls won’t be missed even if the phone was switched off or on airplane mode. Public chats of famous celebs and other personnel can be viewed and likes and comments can be made on them. Group chats make all messages, pictures and videos instantly visible to all groups members. Groups can be created which allow adding up to 100 participants.

These stickers can be sorted and organized easily. New stickers can be downloaded from sticker markets. Users can send pictures, videos, stickers, emoticons, voice messages and even share their current location. Video calling runs smoothly even on slower internet connections. Call sound quality is crisp clear and free of interruptions. The app is capable of accessing phone book and locate which people are using Viber thus allowing users to make calls and send messages to them. It works with phone number of phone users.

Viber app does not require special signing up process to obtain the username or unique ID.

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