How do I delete the history of calls sent so voicemail? November 07, 2018 20:44 Follow Unfortunately, the history of calls that have been sent to voicemail cannot be deleted. Related articles How can I delete my history of allowed calls? How can I delete my blocked call history? How do I view my history of calls sent to voicemail? How do I view my account status? How do I remove a number from my Always allow list?