It is a critical system where we work because we communicate worldwide often throughout the day, an outage in our messaging has a major impact. We probably woul

It is a critical system where we work because we communicate worldwide often throughout the day, an outage in our messaging has a major impact. We probably wouldn't need backups (they're only useful for blame storming), but a failover or replication is important. Unfortunately we use Skype for business. Uptime is great but other features (like sending a god damn message) are frequently broken.