C o n t e n t sLog in to PTT ................................................................... 92Exit PTT............................................................................. 92Make a one-to-one call............................................... 92Answer a PTT call........................................................... 92Make a PTT group call.................................................. 93Callback requests .......................................................... 93Channels .......................................................................... 93PTT sessions..................................................................... 94Data transfer...................................................................... 94Data manager ........................................ 95Application manager ....................................................... 95Install an application ................................................... 95Remove an application ................................................ 96Application manager settings.................................... 96File manager ...................................................................... 96View memory consumption........................................ 96Device manager ................................................................ 97Nokia original enhancements ............ 103BATTERY............................................................................ 103Nokia Multimedia Car Kit (CK-20W)........................ 104Nokia Holder Easy Mount (HH-12)........................... 104Mobile Holder (CR-48) ................................................. 104Care and maintenance ........................ 105Additional safety information ........... 106Small children ................................................................. 106Operating environment ................................................ 106Medical devices .............................................................. 106Implanted medical devices....................................... 106Hearing aids.................................................................. 107Vehicles............................................................................. 107Potentially explosive environments .......................... 107Emergency calls.............................................................. 108