How to reject incoming call on WM5

[Guest chucky.egg]

OK, a simple question...

How do I reject incoming calls on my O2 XDA IQ (aka SP5)

When an incoming call is received I have "Answer" and "Ignore" as my 2 soft keys. Answer will answer (obviously), and Ignore just mutes the ringer/vibration (the phone remains "locked in" to the incoming call - so I can't go to the homescreen or do anything else).

If I press the red (Hangup) button it just does nothing.

I expected "Ignore" to mute the call, and possibly send it to voicemail.

I expected Hangup to sent the call to voicemail

Either of those, I would have expected, would release the phone to carry on working

I've never tried to reject a call before, so I'm not sure how much of this is the correct behaviour.

[Guest chucky.egg]

Hard Reset fixed it

I had loads of junk installed before, most of which I didn't reinstall, but I don't know if it was one app in particular that caused it

[Guest jrdas]

i have the same problem, but i dont want to hard reset??????????