Use outbound VoIP calls

You no longer need to use your SIM card for outgoing calls. Now you can make calls via an internet connection.

How to use outbound VoIP calls on the iOS operating system?

Press the menu button at the top left of your screen

Then press the “My account” section

Activate or deactivate the “Make calls over WIFI / Data” feature by using our “Onoff” toggle

How to use outbound VoIP calls on the Android operating system?

Press the menu button at the top left of your screen

Then press the “Settings” section

Activate or deactivate the “Make calls over WI-FI / Data” feature by using our “Onoff” toggle

More features

Forward all of your incoming calls to another number or forward calls that only you were not able to answer.

Enjoy the best possible call quality with ‘Onoff Calls’! Quick and easy to activate.

Access your Onoff Business professional number from any smartphone, laptop or tablet.

Discover how to activate Onoff Calls!

With Onoff Business, enjoy the best possible call quality with ‘Onoff Calls’. It’s quite simple!