Switchvox Renewal for Platinum user subscriptions, 1 year. Includes technical support for each user license. Support level is determined by what level is purchased, silver, gold or platinum. Save 10 to 25% by selecting 2 or 4 year renewal options. For more information on Switchvox Subscriptions and maintenance visit Digium's Switchvox Subscription Page Renewal for subscriptions must be purchased at the same time as the system renewal.