[Freeswitch-users] execute_on_answer equivalent for A-leg or bridged call?

Hello everyone, I am attempting to play a sound on both legs after creating a bridge once the B-leg has answered. execute_on_answer explicitly only works for the newly answered channel, so no sound is playing on the (previously already connected) A-leg. Is there a way to make sure the sound is playing on both legs / the bridged call? ATM, I'm doing this (in Lua): session:execute("bridge", "{origination_callee_id_name='" .. callee_id .. "'}{execute_on_answer='playback tone_stream://%(500,0,500)'}user/jitsi@" .. domain_name) Thanks, Thilo