Outgoing calls don’t go through on Viber

Most often, the “call failed” error appears when there is no Internet connection. Check whether your phone is connected to the Internet, if you are connected via Wi-Fi, check whether the router is working. If you cannot restore the connection yourself, ask your ISP for help.

Power saving mode

Some phones have a built-in power-saving mode. Your phone blocks calls when the battery is almost completely drained. If power saving mode is enabled, messenger functions will be restored after the battery is recharged.


Also, outgoing calls do not go through if the recipient has added you to the blacklist. No notifications are received by the blocked user. If you suspect that you are blacklisted try to call the recipient from another number and clear the situation up.

Other failures

Sometimes users simply can’t press the call button on Viber. This problem appears because of overheating, system failures or corrupt files. Reboot the phone. If the problem persists, uninstall the messenger, and download a new version of Viber.

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Mike Lombardi/ author of the article

QA engineer, head of automated software testing department. Knowledge of Java, C/C++, JSP, HTML, XML, JavaScript, SQL and Oracle PL/SQL. Journalist and columnist in the IT field. Website creator and administrator.

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