Update manager calls.
Changes in version 2.20.850:
-- Compatible with fring. You can use IVCM and fring at the same time.
-- Now no food during the recording.
-- Voice messages and razgovy can be written in amr or wav format. Save may be in the phone memory or memory card.
-- All voicemails and recorded calls are stored in the "Sounds". You can use the Nokia PC Suite for copying or transferring them to your computer.
-- Added a week-long planner | 
