I want to activate my billing machine which is connected through ATA 186 Box. I understand, to do that I need to reverse polarity. How to Reverse Polarity in this ATA 186 and what will be the parameters in the following fields :
1. CallerIdMethod : ?
2. Polarity : ? (If only Callee_connect & Callee_disconnect bits are masked)
Secondly How should I proceed with masking the bits.