You can find our User Guide for Zoiper 5 at the following link.
If you can't open it, you can always copy and paste the full link into your web browser application - https://www.zoiper.com/pdf/User%20Guide%20Zoiper%205%20v.1.0.7.pdf
You can find our User Guide for Zoiper 5 at the following link.
If you can't open it, you can always copy and paste the full link into your web browser application - https://www.zoiper.com/pdf/User%20Guide%20Zoiper%205%20v.1.0.7.pdf