Duplicated extensions in the Extension Statistics report

Muhamed Ibrahim

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Hello,

I am seeking your support regarding duplicated extensions in the 3CX Extension Statistics report for last month's call duration. However, the report for last week shows the extensions correctly. The current version of 3CX is Version 20.0 Update 9 (Build 995, Release - AI 1.4.48).

Thank you in advance for your assistance.
 

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There was a change in the order of First/Last name for those extensions in this period therefore you see the extension statistics before and after.
 
Hello Theodoros,

Thank you for your response.

I would like to clarify that there has been no change in the order of first and last names for those extensions during this period. As a result, this issue persists across several 3CX servers.

We urgently need your support to resolve this issue, as it is affecting our production.

Thank you for your assistance.
 
You may check and confirm also in the Audit log(as soon as you access as System Owner), if there was a specific change to the Phonebook options:
2026-07-06_12h25_42.png
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Hello Theodoros, I checked the history of audit logs, and there are no changes to the phonebook options. The current phonebook options are attached.
 

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Check the audit log for previous dates as well.
 
I reviewed the old default phone options that were attached and changed yesterday. I came across a similar issue in the 3CX community, and I recommend applying the phone display format as 'First Name, Last Name' instead of 'Last Name, First Name'.
But unfortunately, this did not solve the issue.
 

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So actually you see the information before and after that change correct?
 
Hello Theodoros,

I have reviewed the old values and made changes based on the recommendations discussed in the issue thread. Unfortunately, this approach did not resolve the duplication issue. Could you please advise on the next steps to take in order to resolve this?

Thank you for your help.
 

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@Muhamed Ibrahim
Hi and hope you are well.

- Is there by any change you have updated between older PBX version to SP9 and during that time you have changed the settings for lastname and firstname and then had new calls?
- If you run the report for a only today and not the range of the days, do you see a multiple entries for the same user?
 
Hello Olegr,

Thank you for your reply.

I wanted to inform you that there are no updates or changes from the older PBX version to SP9. All modifications were made after the version 9 update.

Attached, you will find the revised documents, as well as reports for today, the last 7 days, the last 30 days, and last month.
The issue appears in last month's report.
 

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