Need help w/WM6.1 phone dialer delay fix

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I've been looking for a few weeks and am not finding what I want.
I'm using a WM6.1 ROM on my Apache and there is a noticeable and annoying delay between when the phone reacts and when I press one of the onscreen buttons. It also happens when I press the red/end hardware button, but I found a reg hack that mostly fixes this.
Just to be clear, I am NOT talking about a ringtone delay.
When I press the o/s button, I usually hear the tone quickly, but it is obvious that the tone is not being transmitted over the system for anywhere between 1-15 seconds! The kicker is that this also sometimes happens when I am dialing using speed-dial or dialing from contacts or PhoneWeaver.
This makes dialing using DTMF tones extremely problematic.
About two weeks ago, I stumbled upon a reg hack that described this exact scenario and had a few reg keys that were changed and/or inserted. It worked great, but for the life of me, I can't find the darn page that had it.

Any help would be appreciated.