1ST CELL = the first cell site that was used during a call
Azimuth = the compass direction of the center of the sector in degrees
BTS Manufacturer = Type of Base Transceiver Station (Lucent / Nortel / Samsung / Motorola / Ericsson)
CALLING_NBR = the number that initiated the call
CALLED_NBR = the number receiving the call
CDR = Call Detail Records
CellID (CID) = is a generally unique number used to identify each Base Transceiver Station (BTS) or sector of a BTS within a Location Area Code
DIALED_DIGITS = the number the calling phone dialed
Duration = the duration of the call measured in seconds
END_DATE = the date and time the call was terminated
ESN = Electronic Serial Number
LAC = Location Area Code is a unique number of current location area. A location area is a set of base stations that are grouped together to optimize signaling.
LAST CELL = the last cell site that was used during a call
Latitude = The decimal latitude
Longitude = The decimal longitude
MCC = a Mobile Country Code
MEID = Mobile Equipment Identifier
MNC = a Mobile Network Code
M_R = Mobile Role = the direction, such as ‘inbound’, ‘outbound’, or ‘routed’
NEID = network element identifier = a geographical group of cell towers = the switch
PCMD = Per Call Measurement Data
Repoll = Phone Switch
Sector = the sector division per cell site, usually three per site
START_DATE = the data and time the call was initiated
SWAT = Soft Wireless Access Tandem
TLDN = Temporary Local Directory Number
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