Volume parameter value is inverted when a UCMA 3.0 Runtime-based application sends tones in a Lync Server 2010 environment

Article ID: 2861301 - View products that this article applies to.
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Symptoms

Assume that you develop a Microsoft Unified Communications Managed (UCMA) API 3.0 Runtime-based application that is integrated with a Lync Server 2010 environment. The application sends tones by using the ToneController.Send method (tone, volume). In this situation, the volume parameter value is unexpectedly inverted to "100%-volume".

For example, if the volume parameter value is set to 70%, the ToneController API will invert the value to 30%.

Additionally, if the values of the tones for the volume are too low, PSTN gateway may reject the tones.

Resolution

To resolve this issue, install the following cumulative update:
2847888 Description of the cumulative update for Lync Server 2010, Unified Communications Managed API 3.0 Runtime: July 2013

More information

For more information about the ToneController.Send method, go to the following Microsoft website:
General information about the ToneController.Send method

Properties

Article ID: 2861301 - Last Review: July 15, 2013 - Revision: 1.0
Applies to
  • Microsoft Unified Communications Managed API v3.0 Core Runtime
  • Microsoft Lync Server 2010 Standard Edition
  • Microsoft Lync Server 2010 Enterprise Edition
Keywords: 
kbqfe kbfix kbsurveynew kbexpertisebeginner KB2861301

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