General VoiceMail Settings Refresh

General VoiceMail Settings
Extension for checking messages :
Direct Voicemail Dial :
Max greeting (in seconds) :
Dial '0' for Operator :
Message Options
Maximum messages per folder :
Max message time :
Min message time :
Playback Options
Say message Caller-ID :
Say message duration :
Play envelope :
Allow users to review :
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