Earlier quoted context omitted.
Any that don't involve something along the lines of "give me money and it won't go off"?
Sam Melville? https://en.wikipedia.org/wiki/Sam_Melville#Bombings The IRA also phoned about many of their bombs. The Omagh bombing is mostly notable because their phone-call didn't accurately identify where the bomb would detonate, and so got people killed. Plenty of terrorist groups have recognized that killing innocent bystanders isn't good PR.
Also https://en.wikipedia.org/wiki/Weather_Underground
Is it terrorism if they take active steps to prevent terror?
Attacking the enemy and avoiding collateral damage is usually called making war.