1. Super admin can set voicemail prompts played over all internal extensions.
Step1: Go to Settings -> PBX -> Voice Prompts -> Custom Prompts, and upload prompt files to PBX.
Step2: Go to Settings -> PBX -> General -> Voicemail -> Greeting Options and select the custom prompt to be applied.
Step3: Click “Save” and “Apply”.
2. Extensions users can also set their own voicemail prompt.
Step1: Login to user account via Web GUI.
Step2: Go to Me-> Extension Settings, and change the voicemail prompt.