Avaya TechTalk host Guy Clinch interviews Shelley Piehet, Public Awareness Representative for Shell Pipeline. Shelley is at the NENA 2013 to promote and educate 811, the number to call before you dig. As Shelley says, “Pipelines are everywhere.” By simply dialing the three digits, 8-1-1 you can avoid the need to dial 9-1-1. "An explosion can ruin your whole day."