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

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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.

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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

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More Information

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

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Keywords: kbqfe, kbfix, kbsurveynew, kbexpertisebeginner, kb

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Article Info
Article ID : 2861301
Revision : 1
Created on : 1/7/2017
Published on : 7/15/2013
Exists online : False
Views : 351