Will Spain's new plan to stop spam calls work?

The Spanish government has come up with a new strategy to put a stop to the annoying spam or sales calls that the vast majority of people in the country receive. Previous attempts have failed, so what's different this time?

Will Spain's new plan to stop spam calls work?
The Spanish government has come up with a new strategy to put a stop to the annoying spam or sales calls that the vast majority of people in the country receive. Previous attempts have failed, so what's different this time?