How to make mandatory to fill customer info before hang up

[itadvelocity]

HI,

I am using Goautodial 2.4. i need to make mandatory to some customer info field as like first name, Last name Address. I have created a custom field and i did Field Required to Y but it is not functioning. Without filling any data in Custom filed, Agent can be hang up and then dispose the call. Please provided your kind assistance to me.

Filed Label Firstname
Filed RANK 1 Field ORDER 1
Field name firstname
Field position Left
field description Firstname
Filed help "i have nothing entered"
Field Type " I have selected TEXT"
Option position HORIZONTAL
Field Size 20
Field MAX 30
Field Default "i have nothing entered"
Field Required Y