Bsnl 3g problem with sony X10i

Hello,

I need settings for my xperia x10i to make bsnl 3g services to work properly. Callcentre sent me 2 settings. Bsnllive & bsnlnet. On one i can browse the net and on the other i can use y other softwares like gtalk and android marketplace.

But both the web and my softwares do not work simultaneously on any one settng.
Need help cuZ even their call centre cant solve this.problem