To remove a number from the Send to voicemail list, select the Manage icon and select the number you would like to remove from your list and select the highlighted Sent to VM icon from the detail view screen.
From the Activity view, select a number to see the expanded view and then select “More”. If a number is currently being sent to voicemail the icon will be magenta. Select the “More” option and “See details” to view options to stop sending the number to voicemail.