High Availability/ “Five 9s”: Utilizing our Cloud PBX system means that the heart of your communication infrastructure is secure in our data center. Managed 24 hours a day and 7 days a week by our team of telecommunications experts, we provide our clients with “Five 9s” availability. This means that our network is reliably working for your company and its interests 99.999% of the time. More precisely, our system averages a downtime of 5.26 minutes per year, 25.9 seconds per month, or 6.05 seconds per week. You can rely on Dynamic Call Solutions to keep your business running.