1.) Open your Avaya Cloud Application.
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2.) Click Settings, select Phone, select Edit in the Voicemail Section.
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3.) Here you can edit your schedule and record a voicemail greeting. Click Record.
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4.) From here you can have the system call you to record a greeting be selecting Phone, or...
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record a greeting from your computers microphone by selecting Microphone, or...
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importing from another source by selecting Importing.
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5.) After recording you can listen to your voicemail, re-record it and/or save it.