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Hy in Asterisk (Trixbox CE) latest version, we receive message to our email in WAV. But the sound it's too low. Where can I fix that?

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You can set the gain on recorded messages by setting "volgain" in voicemail.conf. For example add "volgain=7" to your voicemail.conf and test. Please be aware that volgain requires sox to be installed.

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