Each license grants login access to a specific number of agents for the current major InstantVoice release version. Licenses are backward compatible with previous releases, but will not work with future ones. For example, a license issued for release 3.1.0 is also valid for 3.0.4 and 3.2.0, but not for releases 4.0 and above.
A special support package that includes remote assistance for installation and initial configuration.
An annual subscription grants access to all major version upgrades for one year. Subscriptions must be purchased per license.