Select Access Point prompt in Midlet

Hi gurus,
I'm facing some problems related to the "Select Access point" dialog
that 
appears when running a midlet with network access. Posts read in forums 
haven't cleared 100% my doubts, or confusing me.

AFAIK, when a midlet wants to open a "socket://" connection to a
remote 
host:
(1) the user is asked for granting permission for establishing the 
connection. This is not needed in trusted midlets, so far now, no problem.
(2) the system shows a prompt dialog with the available access points, so 
that the user can select the appropiate one. Note that the dialog appears 
even another connection is established in the phone.

The second dialog is the one that i want to avoid.
- Is there a way to select a default IAP for each Midlet?
- I'm currently running an unsigned midlet, may the signing process help to 
avoid the prompt (i.e when another conn is already established)?
- Does exist ANY way to avoid the prompting dialog? I know that in 
SymbianC++ an IAP can be specified when opening a connection, an the 
"select" dialog does not appear. Has J2ME in Symbian Devs, any similar

procedure?

My current target is a Nokia E60 Device.

Thanks in Advance.

Jesus