Verify that the firewall allows access to the SonarQube port from other networks.
Run the following command to check if the SonarQube port is open or not:
sudo ufw status verbose
If your firewall is disabled, this command will give you the following result:
Status: inactive
In this case, turn on the firewall by running sudo ufw enable, and then run
sudo ufw status verbose
:

SonarQube, , :
sudo ufw allow <SONAR_PORT>/tcp
SonarQube .