Best Ringless Voicemail Software?

[Austin Joseph]

Do any wholesalers use a ringless voicemail system in order to initiate contact and/or keep in touch with prospects? Seems like there are a number of them out there but I'm curious to see which one's y'all think have the best setup. Price per lead is obviously a concern but I'm open to the idea of looking into more expensive options if they're more efficient.