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  2. Packet loss occurs when you connect a telephone that has Lync 2010 Phone Edition installed to a computer

Packet loss occurs when you connect a telephone that has Lync 2010 Phone Edition installed to a computer

View products that this article applies to.

Symptoms

Consider the following scenario:
  • You have Microsoft Lync 2010 Phone Edition installed on one of the following telephones:
    • Polycom CX600
    • Aastra 6721ip
    • Aastra 6725ip
    • HP 4110
    • HP 4120
  • You connect a computer that has Lync 2010 installed to the PC port on the telephone.
  • You try to receive a multicast stream on the computer.
In this scenario, packet loss occurs. For example, when you view a multicast video stream, the video output is choppy.

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Cause

This issue occurs because the telephone device driver is handled incorrectly.

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Resolution

To resolve this issue, install the appropriate cumulative update for the telephone that you are using:
For HP 4110 and HP 4120 telephones
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
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
2672352 Description of the cumulative update for Lync 2010 Phone Edition for Aastra 6721ip and Aastra 6725ip: February 2012

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More Information

The third-party products that this article discusses are manufactured by companies that are independent of Microsoft. Microsoft makes no warranty, implied or otherwise, about the performance or reliability of these products.

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Keywords: kbqfe, kbfix, kbsurveynew, kbexpertiseinter, kb

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Article Info
Article ID : 2673305
Revision : 1
Created on : 1/7/2017
Published on : 3/16/2012
Exists online : False
Views : 342