Hi rogersb11,
I've been living with an issue ever since I switched from CM9 to CM10.1 (AOSP 4.2). It even existed in other ROMs based on CM10.1 (or AOSP 4.2). When the official CM10 was released for the I777, I actually submitted the following JIRA issue
CYAN-2187 (Voice Dialing Hangs/Fails When Bluetooth Is Connected to Headset)
The issue remains even today in the latest builds of CM11. However, the SHOStock ROM didn't have it because I think it is based on the Touchwiz ROM which is version 4.1
Here is the description of the issue (logs are attached to the issue at the site):
I believe there were Bluetooth changes that Google made going from 4.1 to 4.2.
Do you think you can reproduce the issue and/or take a quick look at the logs to see if it's something simple that broke Bluetooth dialing on our device?
To me it's a critical feature because I drive 2 hours every day and voice dialing provides much more safety than fiddling with the screen while driving. And I hate to have to go back to an older ROM.