Hi: I am using mod_java. And in my script I was able to achieve using: execute("sched_hangup", "+300 alloted_timeout"); However, when I try to run sched_api in the same way, system log returns that it's an invalid application. I have also tried to trigger it with many conditional channel variable api calls , but non of them seemed to execute the api command (because I turned on the highest level of debugging and see no where the sched_api is being called. The closest thing I got was by using "api_after_bridge" like the following, but it only launches when the bridge is teared down(which is not what I want). I originally thought after bridge means right after the 2 party is connected. All I want is to be able to play some message to leg A at certain time. setVariable("api_after_bridge", "sched_api +10 none uuid_displace ${uuid} start /path/to/some.wav 20 mux"); I have been struggling with different combination for a week now.. Please shed some light if you know something. Thanks, -- Henry Huang UniC Solution - Communication Unified VoIP & Open Source software Consultant