Description of a new feature that lets users set or change their presence information by using a telephone in Lync 2010 Phone Edition

To enable this feature, install the cumulative update that is appropriate for the telephone that you are using.

For HP 4110 and HP 4120 telephones, install the following cumulative update:

2672743 Description of the cumulative update for Lync 2010 Phone Edition for HP 4110 and HP 4120: February 2012

For Polycom CX500, Polycom CX600 and Polycom CX3000 telephones, install the following cumulative update:

2672349 Description of the cumulative update for Lync 2010 Phone Edition for Polycom CX500, Polycom CX600, and Polycom CX3000: February 2012

For Aastra 6721ip and Aastra 6725ip telephones, install the following cumulative update:

2672352 Description of the cumulative update for Lync 2010 Phone Edition for Aastra 6721ip and Aastra 6725ip: February 2012