Data types CDRs

• the phone number of the subscriber originating the call (calling party, A-party)

• the phone number receiving the call (called party, B-party)

• the starting time of the call (date and time)

• the call duration

• the billing phone number that is charged for the call

• the identification of the telephone exchange or equipment writing the record

• a unique sequence number identifying the record

• additional digits on the called number used to route or charge the call

• the disposition or the results of the call, indicating, for example, whether or not the call was connected

• the route by which the call entered the exchange

• the route by which the call left the exchange • call type (voice, SMS, etc.)

• any fault condition encountered (from Wikpedia)

Satellite data types – ratios (e.g. NDVI)

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