java me - Blackberry ConnectionDescriptor null for mobile network -


i need establish http connection on blackberry device. following code ::

connectionfactory connfact = new connectionfactory(); connectiondescriptor conndesc; conndesc = connfact.getconnection(geturl);

this code works fine when mobile network , wifi on, or if wifi on, connectiondescriptor = null when run application on mobile network.

i using bis-c plan, not understand why connectiondescriptor null, when can access other web pages outside application on mobile network.

i tried appending ";deviceside=false" url, did not either. need accept push , hit few urls using mobile network, please help!!

you need call: 

connfact.settransporttypeoptions(transportinfo.transport_bis_b,              new bisboptions("<here key use bis-b access on device>"));

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