如何從電話傳取signal到visual basic record the data in datab(編號:2341)

there are my difficulties:
1) 如何從電話傳取signal with visual bsic 似用電話booking ticket 一樣.
    2) 如何連續get the signal and record to the databasde ?
   like telephone is 2334 5678  then how get the data continousely and store to database with visual basic ?

please help