Call Register
After choosing a file, a preview of the selected file contents will be shown.
Now assign the three possible data types (name, number, contact type), which can be imported, to the columns in the preview representing those kinds of data.
Once satisfied with the preview, pressing “Save” will save the file contents to the phone book, which could look like this:
These new entries will become part of the existing phonebook. They will be stored on the flash and can be retrieved anytime until they are deleted or a factory reset is performed.
Call Lists
The snom 220 maintains lists of missed, received, and dialed calls that
can be accessed by pressing the call list key 
from the idle state.
For example, after choosing the missed calls, the most recent missed call is displayed first.
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