Is there  a way to fix the call answer delay? This is a known Android issue which has been widely reported (example).

I saw a suggestion to use Call Delay Patch from the Android Market, but some report that this helps while others report that it doesn't work.

I have the same issue on my HTC Incredible S (Android 2.3.3) and want to know if this issue has been addressed already or if there is a patch for it or a way to avoid it. Searching the web brings only complaints.
From what I can tell, this issue has been resolved with Gingerbread 2.3.5. I no longer have the issue with my device running Gingerbread 2.3.5 (actually i think CM7 is based on 2.3.7 now). From what I am seeing in the reported issue is other people are saying the same thing about it being fixed. I am not sure if your device has an update available or not though.