event : the event that just occurred
cResult : result of operation; valid for
VCARD_PULL_DONE,CONNECTED , DISCONNECTED,
nBytes : number of bytes received so far for the current operation.
Valid only for PHONEBOOK_PULL_PROGRESS,
VCARD_PULL_PROGRESS, VCARD_LISTING_PROGRESS events
nNumEntries : number of phonebook entries . Valid only for PB_SIZE_PULL_DONE event
nDroppedEvents : number of dropped events; valid for EVENT_Q_OVERFLOW