Originally Posted by
Ditto
Each fare is different, some allows 1 free stopover, some allows 0, some allows more, so without knowing the exact fare rule we can't say if it is correct or not

The OP wants to know if there is a charge if he goes through FB operator. This means he is looking for an award ticket. ONE stopover is always allowed with a RT award ticket.
T(...) Is there a charge when booking through a FB agent? (...)
If the award ticket cannot be booked on line, there is no charge for booking over the phone.