have replace a vm with a rebuild flash drive to replace the hard drive. worked fine for about a month. then the auto attn will not answer. the vm answer with "transfering to the operator" . have check rotary enable and all setting under call coverage, members, etc. have 3 auto attend, all recording in and lines assigned. only 8 ports light on the vm but all 12 will answer. all 12 in rotary enable. what drive the caller to thr auto attend thanks