[Freeswitch-users] Pickup on Ringgroup

HI, i have a bridge to a ringgroup like this bridge {continue_on_fail=true,ignore_early_media=true,originate_continue_on_timeout=true,leg_timeout=20,ringback=$${bong-ring}}sofia/internal/400%voip.spsul.local|sofia/internal/401%voip. spsul.local|sofia/internal/448%voip.spsul.local I want to use group-intercept or intercept-ext but it does'n work. Any ideas ?