From Forum Nokia Wiki

Central Repository Keys To Control Phone Volume API are useful to control the phone volume of an ongoing call. This article demonstrates the use of Central Repository Keys To Control Phone Volume API to retrieving and setting the ear phone volume and loud speaker volume using publish and subscribe keys. Note that this API, Central Repository Keys To Control Phone Volume API, is not part of the public SDK. So you have to download it from SDK API Plug-in before using it. Furthermore, the author added a working demo project, which can be used for more detailed study of new opportunities for various kinds of experiments.

--kamlesh sangani 12:38, 29 September 2009 (UTC)

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