3CX GUIDE - HOW TO SET up voicemail in the admin portal
From the 3CX Admin Portal:
1. Select 'Extensions' from the left menu, then double click the relevant extension.
2. Click 'Voicemail' tab. You can Add an existing voicemail greeting.
3. Click 'Add', then select the relevant greeting form the file list that pops up.
4. Alternatively, you can also record a new voicemail greetings message, by clicking 'Record From Phone'.
5. Enter a file name for your new voicemail greeting message, and choose the relevant extension
6. After you click OK, you can record a new greeting on your telephone handset.
NB: This Voicemail greeting message is for all statuses. (To configure specific prompts per status, go to 'Forwarding Rules'.