nokia 3510i

Hi there,
i read on a website that if i type *3370# into my phone, and change the active
speech codec option that my phone then gives me, i can get better audio quality
when i call some-one....is this true? and does it work on the o2 network?
Regards..

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try it n c

"Happablapp2004" <[email protected]> wrote in message
news:[email protected]...
> Hi there,
> i read on a website that if i type *3370# into my phone, and change the
active
> speech codec option that my phone then gives me, i can get better audio
quality
> when i call some-one....is this true? and does it work on the o2 network?
> Regards..