"24/7 support" means something very different from one MSP to the next. Understanding SLA terminology will help you negotiate contracts that actually meet your needs.
"24/7 support" is the most misunderstood term in managed IT contracts. It can mean anything from a full Network Operations Center to a voicemail checked Monday morning.
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The Key SLA Terms
Response Time: How quickly the MSP acknowledges your issue. A 15-minute response SLA means an engineer acknowledged the ticket — not necessarily started working on it.
Resolution Time: How long until the issue is fixed. Most contracts use "best efforts" language here because some issues depend on third-party vendors or hardware delivery.
Uptime SLA: 99.9% uptime = 8.7 hours of allowable downtime per year. 99.99% = 52 minutes per year.
What 24/7 Actually Means in Practice
Level 1 (Basic): An answering service available 24/7. Actual engineers work business hours only. After-hours issues are logged for next-day response.
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Explore Managed IT ServicesLevel 2 (On-Call): A rotating on-call engineer available by phone. Response may take 30–60 minutes. Common for SMB-focused MSPs.
Level 3 (True NOC): A staffed Network Operations Center with engineers actively monitoring systems around the clock — detecting and resolving issues often before you notice them.
Questions to Ask About 24/7 Coverage
Ask specifically: "What is the after-hours response time SLA for critical issues? Is it handled by your NOC or a third-party answering service? How many engineers are on-shift at 2am on a Sunday?"
