Symptoms

Consider the following scenario:

  • You have a Common Area Phone that is running Microsoft Lync 2010 Phone Edition.

  • You use the Common Area Phone in hands free mode.

  • The Common Area Phone does not have a hands free microphone.

In this scenario, you cannot use hands free mode in a call, and there is no message to instruct you what to do next. 

Resolution

To resolve this issue, install the following cumulative update.

For Aastra 6721ip and Aastra 6725ip telephones:

2529978 Description of the cumulative update for Lync 2010 Phone Edition for Aastra 6721ip and Aastra 6725ip: April 2011
For Polycom CX500, Polycom CX600 and Polycom CX3000 telephones:

2529977 Description of the cumulative update for Lync 2010 Phone Edition for Polycom CX500, Polycom CX600 and Polycom CX3000: April 2011
After you apply this cumulative update, the following message is displayed on the telephone screen within the first 15 seconds of a call:


Please pick up and use the handset if you want to speak during this call.

Status

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

More Information

For more information about Common Area Phone, visit the following Microsoft website:

General information about Common Area Phone

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