current location information from network provider

In my appliaction iwant to know the current loction in 2 ways 1) GPS based and 2) network based(using network provider's towers), I found solution for the first one. How can I do the 2nd method.I stucked here.Can any one help me开发者_开发问答

You use the same API for both, just different criteria on how to get the fix. This is all described in the BlackBerry Location-Based Services Development Guide.