Skype for Business Plus CAL [New Commerce Experience]

What you get

• Skype for Business Plus CAL: enables incoming and outgoing PSTN calling, emergency calling and other enterprise voice features for on-premises (or partner-hosted) Skype for Business Server deployments.

Before you buy

Per Microsoft, the Plus CAL is additive — users also need Standard (and, for Enterprise features, Enterprise) CALs and a licensed Skype for Business Server. Skype for Business Server 2015 and 2019 reached end of support on October 14, 2025; confirm this SKU is still appropriate before you buy.