Subscriptions Overview Your Switchvox Subscriptions & Maintenance Plan includes three things: - Technical Support Subscriptions are available in Gold and Platinum plans that dictate the level of technical support service you have access to. - Software maintenance Software updates can include major releases, minor point-code releases, and bug-fix releases. - User-extension Licenses Each phone-type extension needs a Subscription. Support for Virtualization - +Virtual: Switchvox support for VMware lets you take advantage of your existing virtual environment, and eliminate the need for costly, dedicated voice appliances. A matching number of Switchvox +Virtual Subscriptions is required for each of your phone-type subscriptions.