A call on a virtual number – mobile, landline, or toll-free – configured to hang-up on callers. Generate leads through effective campaigns targeting audience without smartphones (with feature phones) or with poor Internet access. Overcome language barrier. Retain callers’ numbers to build a leads database. Get DND subscribers to opt in. Then contact them and have no disputes.The best-missed call service saves you many disappointed customers who may encounter tough time while connecting the agents.