FAX Support - How to know Switchvox version from backup file.
Login into Switchvox as administrator
Go to Server->Maintenance->Backups
Download backup file to a folder
Look at the backup file. For example: SVBACKUP_REGCODE_2014-12-21-11-0-4_XXXXX-350-business.svb
XXXXX is the Build Number
Look for the Build Number in the page Switchvox - Release Notes and correspondent release (Version)