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Understand the role of the default CWE application registration package

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Beyond the basics topic

Use the default CWE application registration package in custom Lync 2013 automation applications to specify an extensibility tab application on the receiver side of a conversation.

Applies to: Lync 2013 | Lync Server 2013

In this article
Where to use a default package
Specify a default package
Understand when a default package starts
Additional resources

Where to use a default package

If an incoming conversation has no context, you can specify a default package that starts when the conversation is accepted. For example, you might want to start a customer relationship management application with every incoming call, as in the following scenario.

John receives a telephone call on Lync 2013 from an important customer. When he answers, the most important data about the customer appears in his conversation window, including that his company just opened a high-priority support case. He answers the customer by name and immediately acknowledges the issue.

Specify a default package

You must use Install Registration to register context packages on a computer. To use a context package, register it with Lync 2013. For more information about installing and registering packages, see Register contextual conversation packages. Although multiple context packages can be installed on a computer, there is only one default package. To specify that a context package is the default, set the DefaultContextPackage registry key to 1.

Important noteImportant

A default package cannot be overridden at runtime by using an Microsoft.Lync.Model.Extensibility.ApplicationRegistration object. The default package CWE application starts with every new conversation, even when application logic specifies another install-time or runtime override application for a different extensibility tab in the conversation window.

Understand when a default package starts

On the sender side, the default CWE application starts when the conversation window opens. On the receiving side, if a default context package is registered on the receiving computer, it starts. If another CWE application ID is specified by the sending computer and a matching application ID is found on the local computer, both CWE applications start.

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