Digital Receptionist Problem

Hi
I installed A@H and freepbx 1.2.1 its working fine I implement the concept of Digital Receptionist its working fine but incoming calls are not hung up its continuously ringing after the dialer disconnect the phone.

I am configure this one via GUI mode

There only two check boxes is there Enable Directory and Enable direct Dial

And there option is three options is there
0 — 205 (205 is a extension)
i — 202 (202 is a extension)
t — 202 (202 is a extension)

‘i’ is used when the caller pushes an invalid button, and ‘t’ is used when there is no response.

Pls help me out