I need to know how to stop blocking outgoing long distance calls in T7316E

Why not try this app? It has a feature which can make us put the unwanted calls into its blacklist so that we will not receive that number any more. LEO Privacy Applock Hide Safe Android Apps on Google Play

You would have to call the phone company and have them block long distance calls.

Typically this is not within the actual phone. It's actually with your plan and service with your phone provider. Certain plans can have you blocked from those calls whether it be home phones or wireles. Best solution is to double check your plan, and call your service providor to change it or unblock long distance calls.