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Plan for Lync Online in Office 365


Applies to: Office 365 Enterprise

Topic Last Modified: 2014-02-22

Summary: Describes features of Lync Online, such as presence information, instant messaging, audio and video communication, and other features.

Lync Online provides real-time communications capabilities including text-based instant messaging and integrated audio and video communication. With Lync Online, your organization can check the presence information of coworkers, regardless of their location or time zone, and choose the best way to communicate with them (IM and presence is also available in Outlook Web App).

For more resources and information, see Office 365 for business learning center.

You should review the Lync Online Service Description for complete details about features and limitations of Lync Online.

The features provided by the Lync Online service include:

  • Presence information. You can see the availability status and other presence-related information for users displayed in Lync Online and other Microsoft Office applications such as Microsoft Office Outlook, enabling you to choose the best method for communicating with them. (Outlook Web App also provides presence and IM capabilities for information workers).

  • Instant messaging (IM). You can perform traditional text-based IM communications in real time with one or more people in the organization. You can also transfer files to the people you are messaging.

  • Audio and video communication. The Lync Online service delivers person-to-person (1:1) audio and video conversations for users equipped with a headset device and Web camera.

  • Online meetings. Your organization’s online conferencing experience is simple and integrated with the Office 365.

  • Application and Desktop Sharing. Allows your users to share their computer desktop and applications that they are running in PC-to-PC and multiparty conferences.

  • Lync domain federation. You can enable collaboration with your on-premises Microsoft Lync Server and Lync users (using a different domain for Lync Online than any currently used on-premises), other organizations utilizing Lync Online (outside your organization), or Skype users.

  • Unified Lync client. The collaborative features of instant messaging, presence and audio/video conferencing are all integrated into the Lync client.

  • Lync web application. The Lync Web App provides the ability to attend Lync Online meetings with a web-based client.

Depending on your location, you may not have access to all features of Lync Online. To learn more, see the About license restriction site.
PBX replacement/integration is not available in Lync Online—only Lync on-premises.
Lync users can only be homed on-premises or to Lync Online—you cannot split features (IM, conferencing, voice) between on-premises and Lync Online.
In the Lync on-premises with Exchange Online scenario, the SMTP address and SIP URI must be the same.
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