Hello joecarrol, we understand that it is important to know what the Smart Family feature offers when it comes to blocking contacts. With this specific feature when you block a number it will do it for incoming and outgoing calls. Here is a link you can follow for more details on the Smart Family feature, http://spr.ly/6604Evqhk Nowadays most smart devices allow you to block a number directly from the contacts settings and this will still allow you to call out to that number. Are you looking to block some contacts for your line? What is the make and model of your device?