Extended service agreement - advance parts replacement - 4 years - shipment - response time: next business day - availability: 12 hours a day / Monday-Friday ¦ Technical support - phone consulting - 4 years - response time: 4 hours - availability: 12 hours a day / Monday-Friday - severity level 1/2 ¦ Technical support - phone consulting - 4 years - response time: 12 hours - availability: 12 hours a day / Monday-Friday - severity level 3/4