Reinvent your communication with the Onoff application
Discover the useful and awesome features of Onoff.
Use Onoff with your current number
Out of battery? A problem with your phone? Download the app on another smartphone to access your Onoff number.
Program the “On” or “Off” mode
You can deactivate your number at any time, or choose to receive only calls or SMS with a single click!
Switch to “On” or “Off” mode
On or Off! It’s up to you! You can deactivate your second number at any time, or choose to only receive calls or texts.
Communicate internationally
Many calls to other countries? Onoff allows you to communicate at local rates with international numbers from more than 20 countries.
Call from the Webapp
Prefer to use your computer for making calls? It’s now possible with the Onoff Web application.
Activate the ’’Onoff Calls’’
Enjoy the best call quality possible, thanks to “Onoff Calls”!
Synchronize your contacts
No time to lose, synchronize all your contacts from the application in just a few seconds.
Use your visual voicemail
Customize your voicemail or choose one of the pre-recorded messages.
Use Onoff Protability
Do you want to transfer your number to Onoff? With portability, it is possible to transfer a mobile number directly into the app.
Email Assistance
Didn’t find a solution to your problem? We will be happy to help, and our support team is at your disposal for any questions.
Take notes
With the Call Note, take notes during your calls via the Webapp. Find your notes in your call history.
Use VoIP outgoing calls
Make calls via a simple internet connection. Convenient when you are abroad for example.
Program your messages sendings
With Onoff, you can write your SMS and send it in the future. Just choose the date and time and it’s set up.
Send SMS to multiple recipients
Send SMS messages to up to 20 different recipients at the same time. The contacts you have selected will receive your SMS separately.
Share your photos
and your videos by MMS
Share the moments that are important to you, by sending photos and videos to your contacts directly from the application!
Talk to your phone!
Send and receive voice messages, in case you cannot send an SMS or do not have the time to tap a long message.
Send and receive
your SMS smoothly
Use your second number to send SMS in a simple, fast and efficient way.
Call with your
2nd mobile number
Thanks to Onoff, start communicating! Make your calls directly from the app!
Onoff Telecom est un opérateur de télécommunications reconnu par l’ARCEP
738 rue Yves Kermen
92100 Boulogne-Billancourt, France
Viru Väljak 2, Tallinn
10111 Estonia
©2022 Onoff Telecom