[Freeswitch-users] Libpri implemented supplementary ISDN services

Hi There is some implemented supplementary ISDN services in Libpri need some application to run it from dialplan like Call Deflection.In Asterisk for using this service there is DAHDISendCallreroutingFacility(<destination>, <original-my-number>, cfu|cfb|cfnr|unknown). How we can invoke This service(Call Deflection) in freeswitch ? Regards