Call in j2me

Hi guys,
I am trying to call from my application.
For that i have make a contact list through RMS.Save those contacts and able to read those contacts. N for call i am using platformRequest() method. dats all fine going.
But the thing is i am not getting how i can pass those contacts to the platformRequest() method,so dat which contact i will select i can call on it.
Please anyone give me some idea on this.
thanks in advance

To make a call using javax.microedition.midlet.MIDlet.platformRequest().
for eg:
String telNo = "tel:+9682651761543";
platformRequest(telNo );

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