Onoff

Onoff is a telecommunications operator that provides users with a second phone number through a mobile application, eliminating the need for a second SIM card. This service allows for multiple numbers on a single device, which can be used for various purposes such as separating professional and personal communications, online shopping, or for family members.

The application enables users to make and receive calls, send and receive SMS messages, and manage contacts. Calls can be made over VoIP for optimal quality. The service includes unlimited calls within Europe, with the option to purchase credits for international calls. Onoff also offers a web application, allowing users to access all functionalities from a computer.

For businesses, Onoff Business provides professional mobile numbers to employees, managed through a centralized platform. This allows companies to equip their workforce with a dedicated business line on their personal smartphones.

Keywords: second phone number, mobile application, VoIP, international calls, web application, business communication, virtual numbers, dual SIM, telecommunications, contact management