With the purchase of Extended Security Updates (ESU), you will receive Critical security updates for up to three years past the end of the support date. You will also be able to use your existing support contract to receive technical support for covered servers.

With the purchase of Extended Security Updates (ESU), you will receive Critical security updates for up to three years past the end of the support date. You will also be able to use your existing support contract to receive technical support for covered servers.

PSTN calling and enterprise-grade voice features using Skype for Business servers on-premises or hosted by a partner.

PSTN calling and enterprise-grade voice features using Skype for Business servers on-premises or hosted by a partner.

A Client Access License (CAL) is required for each user or device that accesses the server software. Please purchase the appropriate number of user and device CALs for each user or device that accesses the server.

A Client Access License (CAL) is required for each user or device that accesses the server software. Please purchase the appropriate number of user and device CALs for each user or device that accesses the server.

A Client Access License (CAL) is required for each user or device that accesses the server software. Please purchase the appropriate number of user and device CALs for each user or device that accesses the server.

A Client Access License (CAL) is required for each user or device that accesses the server software. Please purchase the appropriate number of user and device CALs for each user or device that accesses the server.

Configure third-party dial-in phone numbers from telecommunication providers on Microsoft Audio Conference bridge.

Adobe Acrobat Sign is a cloud-based e-signature service that allows the user to send, sign, track, and manage signature processes using a browser or mobile device.

A Client Access License (CAL) is required for each user or device that accesses the server software. Please purchase the appropriate number of user and device CALs for each user or device that accesses the server.