Jerremie

Hello everyone, I'm just trying out this program for the first time. So far I LOVE everything about it. It's just that every second, fourth, sixth...etc. time I dial my phone number, instead of IVM picking up, I just get a fast busy tone as if the number didn't exist. If I hang up and call right back it then answers with the outgoing message. Is the program (or my modem - Creative ModemBlaster DE5621) not fully hanging up after taking a message? Is there any advice? Obviously I'd like to get this resolved before I shell out the cash for the full version. Thanks, Jerremie