Description of the cumulative update for Lync Phone Edition for Aastra 6721ip and Aastra 6725ip: April 2013

This article describes the cumulative update for Microsoft Lync Phone Edition for Aastra 6721ip and Aastra 6725ip telephones that is dated April 2013.

This article includes the following information about this cumulative update:

• The issues that the cumulative update fixes.
• The prerequisites for applying the cumulative update.
• Whether you must restart the computer after you apply the cumulative update.
• Whether the cumulative update is replaced by any other cumulative update.
• Whether you must make any changes to the registry.
• The files that the cumulative update contains.

Note The name of Lync 2010 Phone Edition is changed to Lync Phone Edition. The software works with both Lync 2010 and Lync 2013.

Issue that this update package fixes

This cumulative update fixes the following issues:

• 2828830 Exchange UM-disabled user cannot check call logs on an Aries or Tanjay telephone that is running Lync Phone Edition
• 2829269 Message waiting indicator light on an Aries telephone that is running Lync Phone Edition doesn’t turn off after a user plays all unopened voice mail
• 2829272 "Music on hold" feature doesn't work for Lync Phone Edition for an Aries telephone when an audio file is configured

This cumulative update also includes the updates that are described in the following Microsoft Knowledge Base articles:

• 2737909 Description of the cumulative update for Lync Phone Edition for Aastra 6721ip and Aastra 6725ip: December 2012
• 2701667 Description of the cumulative update for Lync 2010 Phone Edition for Aastra 6721ip and Aastra 6725ip: June 2012
• 2672352 Description of the cumulative update for Lync 2010 Phone Edition for Aastra 6721ip and Aastra 6725ip telephones: February 2012
• 2636068 Description of the cumulative update for Lync 2010 Phone Edition for Aastra 6721ip and Aastra 6725ip: November 2011
• 2577595 Description of the cumulative update for Lync 2010 Phone Edition for Aastra 6721ip and Aastra 6725ip: July 2011
• 2529978 Description of the cumulative update for Lync 2010 Phone Edition for Aastra 6721ip and Aastra 6725ip: April 2011
• 2493724 Description of the cumulative update for Lync 2010 Phone Edition for Aastra 6721ip and Aastra 6725ip: January 2011