WHAT IT MEANS
How often the service is available, and what the vendor promises in writing.
Real example
99.9% uptime means about 43 minutes of downtime a month.
What’s normal
99.9% is common. 99.95% or higher for enterprise.
The India angle
Ask whether downtime from the telephony provider counts. It often doesn’t.
Questions to ask your vendor
What uptime do you commit to in the contract?
What happens if you miss it?
Do you have a status page and incident history?
Other terms in Speed & Quality
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