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A Lync 2010 Phone Edition device restarts when it wakes up from system idle power mode

Symptoms
Consider the following scenario:

  • You have a telephone device that is running Microsoft Lync 2010 Phone Edition.
  • The device is powered by a Power over Ethernet (PoE) switch that supports Link Layer Discovery Protocol (LLDP).
  • You wake the device from the system idle power mode.
In this scenario, the device restarts.

Note Whether the telephone device restarts depends on the PoE switch that is used.
Cause
This issue occurs because a device that uses LLDP requires a larger power value than the value that the PoE switch provides. Therefore, the device restarts to reset the port.
Resolution
To resolve this issue, install the following cumulative update for your telephone device.

For Polycom CX700 and LG-Nortel IP Phone 8540 telephones


2636066 Description of the cumulative update for Lync 2010 Phone Edition for Polycom CX700 and LG-Nortel IP Phone 8540: November 2011
For Polycom CX500, Polycom CX600 and Polycom CX3000 telephones


2636067 Description of the cumulative update for Lync 2010 Phone Edition for Polycom CX500, Polycom CX600, and Polycom CX3000: November 2011
For Aastra 6721ip and Aastra 6725ip telephones


2636068 Description of the cumulative update for Lync 2010 Phone Edition for Aastra 6721ip and Aastra 6725ip: November 2011
For HP 4110 and HP 4120 telephones:


2636069 Description of the cumulative update for Lync 2010 Phone Edition for HP 4110 and HP 4120: November 2011
Properties

Article ID: 2620575 - Last Review: 12/08/2015 21:43:00 - Revision: 2.0

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