This mod is not compatible with the Bobs Logistics mod. Bob adds his own grid to vehicles that overrides VehicleEquipment. The grid added by Bob is not the same type of grid that is used in VehicleEquipment, but a special kind only for vehicles with their own set of equipment. Because of this the Train Caller Equipment cannot be inserted in the trains.
To bad we are relying too much on bobs logistics mod to live without it, cause this mod seems like it would be really nice (if it works the way I hope. Haven't tested it yet on a functioning game...)