Found! it was the inizialization string!

"Marco" <[email protected]> wrote in message
news:[email protected]...
> Someone can help me?
> When I try to connect my Ipaq 3970 with my nokia 8910i the phone answer
> "autentication failed". All data are right. I tried with a 8910 and it

> well. This happened also with my old nokia 7210. Someone can help me? I
> tried all configurations on the phone but it seems an "incompability" with
> the pocket pc... help!!!!
> marco

See More: Help on connection with ipaq and 8910i