We offer 3 levels of support: Basic: Business hours, email-only support, with a 2-business day maximum initial response time Plus: Business hours, email or phone support, with a 4-hour maximum initial emergency response time, and an 8-hour maximum non-emergency initial response time Enterprise: 24/7/365 support, with 1-hour emergency response time, and a 4-hour non-emergency response time – LINBIT SDS is only sold with Enterprise support