hai i m using nokia e71, i was playing music in my phone and suddnly it

[AswinNambiar]

automatically went to headphone mode? hai i m using nokia e71, i was playing music in my phone and suddnly it automatically went to headphone mode, the phone didnt fell down or i didnt press any key.... When i insert the headphone i can hear music, talk etc and all but when i take the headphone out its still in the headphone mode, i can also see the headphone symbol in the phone screen...
I tried restarting d phone removing d battery also i tried restoring the phone but its still n d same condition....
Pls suggest..