This cumulative update fixes several issues. The update contains an image that can be installed on Aastra 6721ip and Aastra 6725ip telephones. The image version is 7577.4512.
Get Cumulative Update 3194831 for Lync Phone Edition for Aastra 6721ip and Aastra 6725ip
The cumulative update is available for download from the Microsoft Download Center:
Download the UCUpdates.exe package now.
Release Date: September 2016
For more information about how to download Microsoft support files, click the following article number to view the article in the Microsoft Knowledge Base:
119591 How to obtain Microsoft support files from online services Microsoft scanned this file for viruses. Microsoft used the most current virus-detection software that was available on the date that the file was posted. The file is stored on security-enhanced servers that help prevent any unauthorized changes to the file.
How to install the update
There are no prerequisites for installing this cumulative update.
You may have to restart the computer after you apply this cumulative update.
Update replacement information
This cumulative update replaces the December 2015 cumulative update for Lync Phone Edition for Aastra 6721ip and Aastra 6725ip telephones.
To use one of the cumulative updates in this package, you don't have to make any changes to the registry.
Improvements and fixes in this update
This cumulative update adds multiple emergency support.
Additionally, the cumulative update resolves the Lync Phone Edition for Aastra 6721ip and Aastra 6725ip issues that are described in the following Microsoft Knowledge Base articles:
Learn about the terminology that Microsoft uses to describe software updates.