I thought it might be the unit (jabra 250v), so I purchased a jabra BT8040 and it does the same thing. It will pair but I can't communicate, but I can hang up and adjust the volume with the headset. My phone is a brand new 8310 that is replacing a 8700c which had no problems.
I have the very same jabra250 when it disconnects i have to take the battery out reset it may last one night or two this is my second 8310 same thing,thats one thing I want is a wireless headset im thinking about getting a q9h motorola I spent 120 mins with blueberry got nothing resolved they sent me a e-mail with bluetooths that was supposed to work with it the 250 was one of them,I love the phone But this is something I use. good luck
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