I receive calls from Cisco Device... Asterisk Response back "Ringing" but Cisco doesnt Generate Rings at "Ringing" Response...... I tried PlayTones() but ..same problem.....then I tried Dial(....m(class)) ..... Asterisk response back "Session Progress".....at this response Cisco Gets the Music on hold Rings...but....but ...but """res_musiconhold.c:505 monmp3thread: Request to schedule in the past?""""" stops the music on hold sometimess..... any help will be highly appreciated...... Clue:::::::Cisco Works on "Session Progress" Response not at "Ringing" response... please help...