When you press the SOS button you are always connected to a Volvo On Call service centre in the market where the car is located. If there is no Volvo On Call service centre, an emergency call centre is contacted.
When you press the ON CALL button you are always connected to your home country's Volvo On Call service centre.
However, in countries without roaming agreement, there are no Volvo On Call services available.
For more information, contact a Volvo dealer.