3CX Phone System Version 11 Release Candidate Available

3CX Phone System 11 RC1

The final version of 3CX Phone System 11 is available from here.

3CX is pleased to announce the availability of a Release Candidate for 3CX Phone System Version 11, Build 26261. 3CX Phone System 11 RC contains new features such as a new server activity log in the 3CX Management Console which gives added filtering and troubleshooting options.

New Features in 3CX Phone System 11 RC 1

  • 3CX Management Console
    • New Server activity log which offers filtering by Date, Time, Extension and Call Number, and filters messages by Info, Warning, Error and Verbose.
      NOTE: On busy systems, clicking on Verbose in the server activity log might cause the 3CX Management Console to become unresponsive for a few seconds. We are working on this issue.
    • Logging is more efficient, faster and searchable.
    • Inbound rules by Caller ID can be put before normal inbound rules for more accurate matching.
    • Russian language updated  and Brazilian-Portuguese new language added.


  • 3CX Management Console
    • Fix in phonebook directory files when adding/deleting extensions.
    • Removed generate phone book button page – now it is generated automatically with every change.
    • Added filter by DID name / number in the DID / DDI inbound rules page.
    • Fixed bug in LDAP connector (LDAP is used to download Users from Active Directory).
    • Missed call notification email shows personal phonebook caller information if entry is present and a match is found.
    • Ability to hide an extension from the company phonebook.
    • Matching of caller name when set to Last Name followed by the First Name.
  • 3CX MyPhone
    • Fixed exception causing an unknown error in 3CX MyPhone.
    • Bug fix when extension was a non-group member.
    • Fix when changing from Away to Available profiles.
    • Help and support has been refined in 3CX MyPhone.
  • 3CX Web Reports
    • Improved Outbound Calls by Type report.
    • Added logging of script performed for each report.
    • Advanced Call Reports are now available in all commercial editions of 3CX Phone System.
    • Improved layout for “Call costs by extension group and call type” report.
    • Billing Code reports now generate correctly.
    • Fixed exception when a recorded audio file is launched from the web report because file name contained apostrophe (‘) or underscore (_).

Minimum Requirement

Windows XP will not be supported in the final release of 3CX Phone System Version 11. If you use Windows XP, we highly recommend that you upgrade to Windows 7 or Windows Server 2008 / 2008 R2 editions. For a full list of supported Windows operating systems, click here.


  • Missed Call to a ring group does not generate a missed call notification in 3CX MyPhone, nor an email.
  • When a call is made from A to B, transferred to C and disconnected before C answers, a missed call will not be displayed on C.
  • Calls made from 3CX MyPhone are shown as answered even if call is not answered at the final destination.
  • The following sections are not available in the 3CX Management Console when accessed via Google Chrome Browser:
    • Edit Templates
    • Phone Provisioning templates (will be seen as grayed out).
  • If 3CX Phone System is installed on a computer that has Microsoft Visual Studio 2010 installed, 3CX MyPhone will not work.
  • 3CX Web Reports: When an external call is incoming to the PBX and forwarded to an extension that is away and forwarding to a mobile, the call will show the correct source and destination but the cost will be 0 for the outbound leg.
  • Incoming Faxes with Broadvox is not working. We have raised a support ticket with Broadvox for analysis.

Installing 3CX Phone System 11 RC

In order to update from 3CX Phone System 10 or any version 11 Beta, a full reinstall is required. The following steps are required:

  1. Take a complete backup of your 3CX Phone System 10 or 11 Beta installation using the 3CX Backup and Restore tool (Start > All Programs > 3CX Phone System > 3CX Backup and Restore Tool). Note – this might take some time depending on the amount of voice mails, recordings and call history records.
  2. NOTE: If you have a lot of voice mails and recordings, it is recommended to take a backup of these manually and exclude backing them up from the 3CX Backup and Restore. This will save a lot of time during the upgrade.
  3. Uninstall 3CX Phone System 10 or 11 Beta.
  4. Download and install 3CX Phone System 11 RC.
  5. Restore your backup when prompted via the 3CX Wizard.


We look forward to your feedback on 3CX Phone System V11 beta in the 3CX forums and our Facebook Page.

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  1. Craig Reilly

    Great news… even one of my recommendations in the Facebook Ideas page has been implemented: •Ability to hide an extension from the company phonebook

    June 27, 2012 at 11:31 pm
  2. Graham Hill

    Interesting note about the non-compatibility with Windows XP. That will kill my Upgrade Insurance payments from a lot of small businesses that were installed on XP Pro’ machines … They are not going to purchase UI if we can’t take them past version 10.
    That’s a shame …

    June 28, 2012 at 2:02 pm
  3. Graham Hill

    I’ve been running the version 11 beta 1 & 2 releases on my 32-bit XP Professional platform and it has actually been great. So – what’s the block that stops version 11 going forward on XP???

    June 28, 2012 at 2:04 pm
  4. Brilliant Work guys, RC11 is an absolute champion!

    June 28, 2012 at 2:48 pm
  5. @ Graham

    Windows XP has been out of Mainstream Support since April 2009. This means that the Operating System has not been receiving service packs or new updates for the past 3 years. It is also expected to go out of Extended Support within the next 2 years making it completely unsupported by Microsoft.

    Since Microsoft have not been expanding on Windows XP, the development of new features in version 11 would be hindered if we had to continue supporting Windows XP. Customers who would like to continue running Windows XP would have to stay on version 10 which works very well on XP. However we have to stop support for Windows XP as of 3CX Phone System version 11.

    You can give this link to your customers that are still on XP.
    There is a note that states that if you are using Windows XP Professional, you need to upgrade to Windows 7 now.

    June 28, 2012 at 3:22 pm
  6. I agree with both Nicky and Bruce that we should be setting expectations up front, and early, that XP is not a desirable platform for the phone system. Yes, it works, but it is the least stable OS in the market. We can debate this, but you know it is true.

    You also have to appreciate the amount of effort (cost) associated with supporting multiple platforms (especially dead platforms). I have never installed 3CX on XP and I’ll refuse to do so. My reputation, as well as 3CX’s reputation, is on the line. Plus I do not believe XP is in the best interest of the customer.

    No rational person is going to suggest we continue to support XP forever. So at some point we have to bite the bullet. Now is as good a time as any — before it becomes a completely unsupported platform.

    June 28, 2012 at 7:13 pm
  7. Igor Snezhko

    @ Nick – 3CX not supported on Windows XP officially only, or cannot be installed physically?

    June 28, 2012 at 10:15 pm
  8. Bruce G. Kreeger

    Nicky, we have been running Ver. 11 Beta 2 since 6/8/2012 and have had absolute success with it on four (4) bridged systems. All of our operating systems are Windows 7 or 2008 Server. We have several clients that are running systems using Windows XP and we have been reminding them that XP is no longer supported by Microsoft.

    When doing this in our routine conversations with our clients we seize the opportunity to recommend updating to Windows 7 and recommend it for reasons just as you have said. We also remind them that their older mechanical hard drives that are being loaded daily and handling all of their voicemail, etc., should be readied for replacement after a year or so. Our policy has been and will remain that the most important computer that they have is most likely their PBX. Routine maintenance is essential and we get our clients to budget for new hardware every few years.

    This has been responded to, when set in motion early, very favorably.

    We are now running with Ver. 11 RC and I know to expect a tremendous product as soon as 3CX releases this next version. Keep doing great things!

    June 28, 2012 at 6:28 pm
  9. Marcus Clifford

    Is there a specific reason for the different font on the Server Activity Log being the larger / bold / grey colour – the other log pages retain the standard font style. Just minor but it makes it slightly more difficult to read. Overall looking great though.

    June 28, 2012 at 8:06 pm
    • @Marcus – Can you please send me a screenshot of how you are seeing this? From winforms or browser? What browser?

      June 28, 2012 at 8:19 pm
  10. Devastating news that I can’t run 3CX v11 on Windows 3.11 – it was such a great OS… And then 95 came out, 98, ME, XP, Vista, Windows 7 and soon Windows 8. Really great desktop operating systems (ME and Vista excluded), but to run a mission critical system such as your company PBX on a desktop operating system is something I struggle to comprehend. Certainly one would sleep much better at night knowing your PBX is running on a server platform. I have refused in the past to deploy 3CX on a desktop OS and I will continue to refuse future customer requests to do so. In my humble opinion, you should do it right or not do it at all.

    It also speaks to Matthew’s comment on reputation. Will Microsoft allow you to run Exchange 2012 on XP? And even if they do, will you sleep sound knowing you have deployed a mission critical system on a legacy desktop OS?

    To quote Benjamin Franklin: “Without continual growth and progress, such words as improvement, achievement, and success have no meaning.”

    June 29, 2012 at 6:18 am
  11. Andrew Kent-Brown

    If we upgrade our in house 3cx system (which is our live pbx) to V11 RC from the current V10, can we then upgrade this to final release?

    Obviously we won’t be doing that with customers, but as 3cx resellers, I’d rather we have any teething troubles than they do and someone has to try it out in a production environment before it can be released as a final version!



    June 29, 2012 at 4:15 pm
  12. Roman K

    “Limitations – 3CX Web Reports: When an external call is incoming to the PBX and forwarded to an extension that is away and forwarding to a mobile, the call will show the correct source and destination but the cost will be 0 for the outbound leg.”

    We use this scenario extensively and bill accordingly.

    Will this not be fixed in RTM?

    June 30, 2012 at 7:23 pm
  13. Hi

    @Andrew, If your Upgrade Insurance is valid, yes (according to CM)

    And I did it today… However with the following experiences, when installing using a backup from a ver.10 tentant:

    1. VoIP Providers (Uni-tel and Skype Connect) did not register do to missing passwords. I guess, because VoIP Providers and VoIP Gateways is handled “Strict” in ver.11 (VoIP Providers do not need Password, VoIP gateways does need a Password).

    2. All extensions have blank passwords, this might become a big issue when upgrading at Costumers sites.
    I dont know if I tricked this misbehavior. I used a backup from a Tentant, deleted all tentants on the machine, Installed the new ver. 11 selecting Abyss, and used the backup to reestablish this new Ver 11.


    June 30, 2012 at 9:58 pm
  14. Nick Borg

    @Jesper But you cannot restore a backup from a multitenant version onto an installation of V11 NON Multitenant. You need to take multitenant backups onto another multitenant version of course.

    July 2, 2012 at 3:30 pm
  15. @Nick, yeaae I know, but I needed the new 11, and was in a hurry, sorry:-)

    July 2, 2012 at 7:37 pm
  16. All good apart from the CPU usage running at 100% this only affects conference calls is this a bug we are running a cloud server on 2008R2 enterprise. If we stop the call history CPU is back to normal and calls are fine. Do we know if this is a Bug

    July 4, 2012 at 5:14 am
    • @ Simon – Update on this. CDR intervals should not be set to 0. This causes Call history to go in a loop. We will make validation for this to avoid users configuring CDR intervals to 0. If you want Call history records to be entered in the database fast, an interval of 5 seconds is more than enough.

      July 7, 2012 at 12:14 pm
  17. @Simon – sent you an email – contact me asap. No we are not aware of this problem. We def need to investigate.

    July 4, 2012 at 10:47 am
  18. Steve England

    Hi Guys, we’re changing our phone system to a 3CX very soon but I am concerned we’re about to buy version 10 just before version 11 is released. Is there any ETA for version 11? I really don’t want to be out of date weeks after we’ve just made our purchase :-)

    July 6, 2012 at 9:40 pm
    • @Steve – Next week!

      July 7, 2012 at 12:35 pm
  19. tony

    just wanted to share this error on windows 8

    The current identity (NT AUTHORITY\SYSTEM) does not have write access to ‘C:\Windows\Microsoft.NET\Framework64\v4.0.30319\Temporary ASP.NET Files’.

    July 8, 2012 at 2:37 am
  20. Robert

    is it possible to set the recording folder to be overwrite after a specific time, i.e. to keep recorded calls only for last 24hrs

    July 10, 2012 at 12:51 am
    • @Robert – no this is not possible. However if you want you can make a script that runs and deletes files that are older than MM-DD-YYYY

      July 10, 2012 at 10:04 am