I want to make a visualisation in Kibana of phone calls made, by using the country code at the beginning of the phone number. Does someone know how to do this?
Currently, it is only possible to visualize countries based on their ISO 3166-1 alpha 2 or alpha 3 codes.
Also, country codes are not always unique to countries. For example, Canada and the United States appear use the same country code (1).
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