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CDR - Calculate number of Active Calls at any give time

Explorer

Hi, I am trying to calculate the number of Active Calls at any 'given time' from Call Detail Records (CDR). CDRs store the 'callConnect' and 'callDisconnect' time in a single CDR event. Logically speaking at any 'given time' the number of active calls = number of CDR events that have 'callDisconnect' > 'given time' (while evaluating all the CDR call records older than 'given time'). How can we implement this as Splunk search Querry? Any ideas. Thanks. HB.

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Re: CDR - Calculate number of Active Calls at any give time

Splunk Employee
Splunk Employee

You can use the concurrency command, and let's assume that callConnect is set as the Splunk event timestamp, i.e., _time:

sourcetype=mycdrs | eval dur = callDisconnect-_time | concurrency duration=dur

Depending on the format, you may have to apply the strptime() function to convert callDisconnect to epoch time (_time will already be in epoch time), but the above is pretty much it.

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Re: CDR - Calculate number of Active Calls at any give time

Explorer

Thanks. Looks like it did the trick!!

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