Another type of direct marketing has occurred of the market prevalence of personal voice mailboxes, as well as business voicemail systems. Due to the ubiquity of email marketing, and the expidenture of direct mail and telemarketing, voicemail marketing presented a cost efficient means by which to reach potential clients with the warmth of a human voice.
Mistreatment of consumer marketing applications of voicemail marketing resulted in an large quantity of “voice-spam”, and prompted many jurisdictions to pass laws regulating client voicemail marketing.