The **emergency number 112** is a **free** service that can be used to request help in case of accidents or emergency situations. This number is accessible from any mobile phone. Additionally, in some cases, it is possible to make a call to 112 even if there is no coverage on the mobile phone, thanks to systems like **eCall**. This system, present in some vehicles, automatically sends a message to 112 in the event of an accident, ensuring that emergency services are alerted even if no one can call manually.

Therefore, the number 112 is an essential and accessible tool to ensure a quick and effective response in emergency situations.