To take or continue a call on a landline or mobile, go to your account settings.
In the “Incoming calls” section under “Receive my calls to an external number”, indicate the landline or mobile number of your choice and click the switch. It will turn green.
For incoming calls or during a call, click the “Send call to an external number” and validate.
The call will be sent instantly to the chosen phone, and you may pick up or continue your conversation uninterrupted.