Drop is the best solution for your ringless voicemail and SMS needs. Also called direct to voicemail, ringless voicemail allows you to deliver voicemail messages to leads without making their phone ring. RVM drops are the most cost effective channel for both direct response and re-engaging your old customers and leads. Manage call-back quality through our customizable IVR feature. Our referral program pays 15% for the life of all customers your refer!