I just got a replacement 6600 from sprint today. The phone still has a slite echo problem with the volume turned all the way up. But no matter what I do when I use the headset (HS850) everyone complaines about the echo. Could it be just the headset? Has anyone had this problem? any fixes?

Thanks

I have one wired headset that ALWAYS causes an echo that others can hear except me... try another headset.

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iPhone 3G (sorry Sprint, I have been to the mountain top!) <-- Sprint Mogul PPC 6800 (not enough memory) <-- PPC 6700 (loaner from sprint) <-- PPC 6600 (no EVDO) <-- G1000 (no SMS) Cardo Scala-500 BT
I'm rockin Verizon Fios baby! 20Mbs is dumb fast! http://www.speedtest.net/result/295783856.png

The only known solution for eliminating/lessening the echo is to lower the headset volume. I have the same headset, plus a couple others and this is typical of this generation of headsets. Bluetooth is still in its infancy in these converged devices, so it has alot of growing up to do. Not a perfect solution, I realize, but it's the only realistic one.