nameproperty is a list of all the possible names use to identify the contact. It's equivalent to the FN vCard's attribute.
publishedproperty provides the date of when the contact was stored for the first time on the device's contact database.
updatedproperty provides the date of when the contact was updated for the last time on the device's contact database.
startTone()method of the
TelephonyInterface begins generating the tone for the specified DTMF character. The tone is sent to the currently active call, and continues to sound until a corresponding call to