[Serusers] sems

Hi, I have encountering this problem when I try to run voicemail.cfg coding. May I know what is going wrong and how to know that sems is running and how to start? I have tried /usr/local/sbin/sems -f (config file) I encountered errors, is this the way to start the service.....please help.... Mar 24 19:04:25 sipserver2 /usr/local/sbin/ser[12876]: ERROR: voicemail: ans_machine deamon is not running ! Mar 24 19:04:25 sipserver2 /usr/local/sbin/ser[12876]: ERROR: voicemail: No such device or address Mar 24 19:04:25 sipserver2 /usr/local/sbin/ser[12876]: ERROR: vm_start: write_to_fifo failed Mar 24 19:04:35 sipserver2 /usr/local/sbin/ser[12874]: ERROR: voicemail: ans_machine deamon is not running ! Mar 24 19:04:35 sipserver2 /usr/local/sbin/ser[12874]: ERROR: voicemail: No such device or address Mar 24 19:04:35 sipserver2 /usr/local/sbin/ser[12874]: ERROR: vm_start: write_to_fifo failed Regards, shirley