Microsoft unified communications technologies deliver VoIP, instant messaging, voice and videoconferencing, and unified messaging to the devices and productivity tools that you use every day. Supporting these technologies is the Microsoft unified communications platform, including two Microsoft server products: Microsoft Exchange Server and Microsoft Office Communications Server.

Expanding on the Microsoft unified communications platform, Microsoft partners have developed a wide range of applications and solutions to address unique customer requirements


A wide range of Microsoft Exchange Server solutions, designed to fit your needs, are available from our System Integrators, Independent Software Vendors (ISVs), and Hosted Services partners. These include:

  • Exchange migration, Lotus Notes migration, and Unified Messaging deployment by System Integrators.
  • Featured ISV partner solutions for antivirus/antispam, archiving, compliance, mobility, management, and storage.
  • Offerings from Hosted Services partners such as Microsoft Exchange Hosted Services and Hosted Exchange E-mail solutions.


Partners can help customers reduce costs and increase productivity by developing and implementing Office Communications Server solutions built on a Microsoft software–powered voice and conferencing platform.

  • System Integrator partners have proven expertise in helping customers plan, deploy, manage, and support Office Communications Server.
  • ISV partners have developed value-added solutions for customers who require additional security, compliance, speech technology, load balancing, and management.
  • Microsoft is teaming with a large group of hardware device and infrastructure partners to create products that support the Office Communications Server platform.