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The Test-CsPstnPeerToPeerCall command cannot run through a NET gateway in a Lync Server 2010 deployment

SYMPTOMS
The Test-CsPstnPeerToPeerCall synthetic transaction does not run through a NET gateway successfully in a Microsoft Lync Server 2010 deployment.
CAUSE
This issue occurs because the volume value of the dual tone multi-frequency (DTMF) digits is too low. Therefore, the DTMF digits that are sent through the NET gateway cannot be recognized by the client.
RESOLUTION
To resolve this issue, install the following cumulative update:
2514981 Description of the cumulative update for Lync Server 2010, Core Components: November 2011


Note After the update is installed, the volume value of the DTMF digits increased from -32dB to 10 dB.
MORE INFORMATION
For more information about the Test-CsPstnPeerToPeerCall command, visit the following Microsoft website:
For more information about the new features in Lync Server 2010, visit the following Microsoft website:


Properties

Article ID: 2621842 - Last Review: 11/19/2011 02:10:00 - Revision: 1.0

  • Microsoft Lync Server 2010 Enterprise Edition
  • Microsoft Lync Server 2010 Standard Edition
  • kbqfe kbsurveynew kbfix kbexpertisebeginner KB2621842
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