Please login to the account > My Account > Referral/Rewards to send out the invite link to 3 people. Further, instruct them to click on the link and set up an account and hold a minimum of a 15-minute conference call with their account to receive the reward. Once they have done so, you will receive one credit per referral in which a minimum of 3 credits is required to acquire a free custom personalized greeting for the account.