CUCM CDR – Parked Calls

The call park feature allows a person to place a call on hold so it can be retrieved from a different phone. A standard parked call consists of two CDR records. To see both records in a report you should enable the cradle-to-grave feature.

The first record is from the original call. This leg terminates when the call is parked. The Originating Termination Behalf Of and Terminating Termination Behalf Of fields = Call Park. Since the call is split when parked the Original Cause Code and Terminating Cause Code fields = “Call split”.

The second record begins when the parked call is retrieved. Cisco does not generate a record that represents the time when the call was parked. We only get the time up to the point the call was parked and then the CDR resumes after the call is retrieved. The person who retrieved the call is treated as the originator of the new record. The Calling Party Number, Originating Device Name or Originating CUCM End User ID fields contain information pertaining to the user that retrieved the parked call.

The parked caller is the destination, this means the Original Called Party Number, Final Called Party Number, Terminating Device Name or Terminating CUCM End User ID all pertain to the parked user.

The Last Redirect DN field contains the park code used to retrieve the call. The Last Redirect Reason field = Call Park Pickup and Last Redirect On Behalf Of = Call Park.

Let’s break down the sample in the screenshot below:

Sample record 1. You can click the image to enlarge or right-click and select Open Link in New Tab to get a better look.

Leg 1: The call begins at 9:14 and was an outbound call placed by 6080 and the user dialed 917372071234. The call was connected for 1:06 before the call was parked.

Field NameWhat it means
Calling Party Number6080 – The user who initiated the call.
Final Called Party Number917372071234 – The recipient of the call.
Originating Termination Behalf Of
Terminating Termination Behalf Of
Call Park – This leg ended (was terminated) because the call was parked.
Originating Cause Code
Terminating Cause Code
Call Split…” – This pretty much means the call did not complete and was transferred. The next leg will tell you where it was transferred to.

Leg 2: The second leg begins at 9:15 when the user at 6081 dialed the pickup number (7900) and answered the parked call. The call was connected for 42 seconds before the call was cleared.

Field NameWhat it means
Calling Party Number6081 – The user who retrieved the parked call.
Original Called Party Number
Final Called Party Number
917372071234 – The user whose parked call was retrieved.
Last Redirect DN7900 – The park code used to pick up the call.
Last Redirect On Behalf OfCall Park – The call was parked
Last Redirect ReasonCall Park Pickup – The parked call was picked up

To sum it all up: 6080 dialed 917372071234 and then parked the call. 6081 picked up the park call using park code 7900.

Let’s take a look at one more sample call, this one is an inbound call that was answered and then parked. It is very similar to the first call except this call is inbound. See the screenshot below:

Sample record 2. You can click the image to enlarge or right-click and select Open Link in New Tab to get a better look.

Leg 1: The call begins at 11:55 when 2164711234 calls into the phone system. The call is answered by extension 4114 and the two users are connected for 2:18 before the call is parked.

Field NameWhat it means
Calling Party Number2164711234 – The user who initiated the call from outside the phone system.
Final Called Party Number4114 – The extension of the user who answered the call.
Originating Termination Behalf Of
Terminating Termination Behalf Of
Call Park – This leg ended (was terminated) because the call was parked.
Originating Cause Code
Terminating Cause Code
Call Split…” – This pretty much means the call did not complete and was transferred. The next leg will tell you where it was transferred to.

Leg 2: The second leg begins at 11:58 when the user at extension 4109 dials pickup code 7900. They are connected to the user who placed the call and speak with them for 2:58 before the call is cleared.

Field NameWhat it means
Calling Party Number4109 – The user who retrieved the parked call.
Original Called Party Number
Final Called Party Number
2164711234 – The user whose parked call was retrieved.
Last Redirect DN7900 – The park code used to pick up the call.
Last Redirect On Behalf OfCall Park – The call was parked
Last Redirect ReasonCall Park Pickup – The parked call was picked up

Updated on February 24, 2023

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