1. Navigate to Dialing > Advanced settings > Voicemail detection.
2. Click on New profile on the upper right corner of the Voicemail detection page.
3. Choose a name for your voicemail detection profile.
4. Mark the Default profile checkbox if you wish to make this profile the default for all campaigns.
5. Complete the fields in the Settings section as desired.
6. Click on Save to save your progress, or click on Save and close to save and exit.