ACA for Lync provides a native plugin for the Lync Desktop Application to allow for Avaya Presence services to be propagated to the Lync solution. It is supported on both Lync standard and enterprise CALs. It allows for call control to your Avaya Desktop Phone, including screen notification of callers, click to dial, conference, and other items. Lync Desktop Application must be installed at each desktop that wishes to take advantage of the feature.
ACA Microsoft Client Enablement allows for click to dial from Microsoft applications, including Internet Explorer, Word, Outlook, and Powerpoint. This is also done through a plugin that must be installed at each desktop that wishes to take advantage of the feature.