Dialer killing battery

I am having an issue with the dialer using up the battery on my Thunderbolt. It started very suddenly, a couple days ago. I don't talk on my phone a great deal -- some days, not at all -- but the Dialer is using upwards of 43% of the battery. Did you ever find a fix? I've seen the same suggestions regarding enabling Bluetooth, and turning off those three sound settings that you mentioned. And I've followed those suggestions, but until I know whether or not they help, I wanted to see if you've found anything else out about this issue. Very disappointing, as I can't even upgrade until next June. Thanks for any feedback you can offer.

>Post branched to a new thread for better exposure and was edited to make the question clearer<

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