Call Control ver. 1.4.1

Just installed Call Control on my 9650 (OS .699). I had been running it on my 8330 and LOVED it. It still works very well, but whenever it blocks a call it makes a chime-like noise no matter the sound profile. I can't find any way to shut this sound off. There is nothing in any sound profile or option. I have noticed "fw2" and "fw3" under "other" in my sound profiles and thought it may be related -- however, I changed the sound to "silent" for those. Still, the chime. Any ideas? Having the phone essentially ring when it is blocking a call sort of defeats the purpose. TIA!