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Table 1 CDR sample fields in Syriatel company

From: Predictive analytics using big data for increased customer loyalty: Syriatel Telecom Company case study

Call type

GSM (A)

GSM (B)

Direction

Cell identifier

Duration

Date

\(\ldots\)

Call

+963********8

+963********5

Out

C83

56 s

10/10/2018 23:30:26

\(\ldots\)

Call

+963********5

+963********8

In

C203

56 s

10/10/2018 23:30:26

\(\ldots\)

SMS

+963********9

+963********3

Out

C322

Null

10/10/2018 23:59:11

\(\ldots\)

SMS

+963********3

+963********9

In

C164

Null

10/10/2018 23:59:11

\(\ldots\)

\(\ldots\)

\(\ldots\)

\(\ldots\)

\(\ldots\)

\(\ldots\)

\(\ldots\)

\(\ldots\)

\(\ldots\)