Microsoft Lync

Microsoft Lync. It was a unified communications platform developed by Microsoft as a core component of its business productivity suite. The software integrated instant messaging, presence information, audio and video conferencing, and enterprise voice telephony into a single client experience. It was designed to replace and expand upon earlier Microsoft communication tools, forming a key part of the company's strategy for workplace collaboration and communication.

History and development

The product originated from Microsoft's earlier real-time collaboration efforts, including Microsoft Office Communicator and the Live Communications Server platform. Its development was closely tied to the evolution of the Microsoft Office suite, aiming to deeply integrate communications with productivity applications. A significant rebranding and technological shift occurred when Microsoft launched Lync Server 2010, consolidating its various communication servers under the new brand. This release marked a major step in competing with established players in the enterprise communications market like Cisco Systems and Avaya. Subsequent updates, including Lync Server 2013, continued to enhance its features, scalability, and cloud readiness, reflecting the industry's gradual move toward hybrid cloud and software as a service models.

Features and capabilities

The platform's core functionality centered on instant messaging and presence information, allowing users to see the availability of colleagues in real-time. It supported Peer-to-peer audio and video calls, as well as multi-party online meetings with features like desktop sharing, PowerPoint presentations, and virtual whiteboards. A critical enterprise feature was its ability to function as a full Private Branch Exchange replacement, providing voice over IP telephony with call control, voicemail, and integration with traditional Public Switched Telephone Network systems. Other capabilities included persistent chat rooms, contact list management, and extensibility through APIs for custom integrations, supporting a wide range of business communication scenarios from simple chats to large-scale webinars.

Architecture and deployment

The server component, Lync Server, was typically deployed on-premises on Windows Server operating systems, with a topology that could scale from a single server to a globally distributed pool of Front End Servers, Edge Servers, and Mediation Servers. Clients included the Microsoft Lync desktop application for Windows 7 and later, as well as mobile clients for iOS and Android devices. The architecture supported integration with Active Directory for user authentication and management, and with Exchange Server for unified contact storage and calendar information. Deployment options evolved to include hybrid configurations with Microsoft Office 365, allowing organizations to split their user base between on-premises and cloud-hosted services.

Integration with other products

It was designed for deep integration within the broader Microsoft ecosystem. This included seamless connectivity with Microsoft Outlook for scheduling online meetings directly from calendar appointments and with Microsoft SharePoint for presence-aware collaboration sites. Its most significant integration was with the Microsoft Office suite, where its functionality appeared within applications like Word and Excel. The platform also connected with Microsoft Dynamics CRM to provide contextual communications from within customer records. Furthermore, it supported interoperability with other unified communications systems via standard protocols like Session Initiation Protocol, facilitating connections with platforms from vendors such as Cisco Unified Communications Manager.

Successor and evolution

Microsoft Lync was succeeded by Microsoft Skype for Business in 2015, which rebranded the client and server using the familiar Skype interface while building upon the existing Lync Server infrastructure. This transition was part of Microsoft's acquisition of Skype Technologies and its strategy to unify consumer and enterprise communications under a single brand. The evolution continued with the announcement of Microsoft Teams, which launched in 2017 as part of the Microsoft 365 suite. Microsoft Teams eventually superseded Skype for Business as Microsoft's primary client for workplace communication and collaboration, incorporating chat, meetings, calling, and deep integration with Office 365 applications into a single, modern workspace.