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Extension 70 and 77 can't be created

Discussion in '3CX Phone System - General' started by Thomas Friedl, Jul 14, 2017.

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  1. Thomas Friedl

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    I'm trying to setup the extensions 70 and 77 - for both I get a message saying I can't use them. Since we are porting from another phone system those are already in use and I would like to keep them.

    Is there a way to assign the extensions 70 and 77?
     
  2. YiannisH_3CX

    YiannisH_3CX Support Team
    Staff Member 3CX Support

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    Hello @Thomas Friedl

    If you restore a backup of a previous version to the latest 3cx installer for V15.5 the installer will restore the extensions and allocate the system extensions to different numbers.
    If you have already installed the system and trying to change the systems extensions please note that this cannot be done as these are system extension that are used from the phone system.
     
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