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Change Extension length after install

Discussion in '3CX Phone System - General' started by Matt Howard, Jul 10, 2017.

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  1. Matt Howard

    Joined:
    Feb 10, 2017
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    Hello All,
    Just set up 3CX ver 15 for a client. They've now told me that they want to go from 3 digit extensions to 4 digit. I'm getting conflicting answers to searches and most relate to older versions.
    Is it possible?
     
  2. Panayiotis_3CX

    Panayiotis_3CX Support Team
    Staff Member 3CX Support

    Joined:
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    Hello @Matt Howard,

    Please note that changing the digit length is not possible once the PBX is installed. You can however export your extensions to an Excel document, install a new PBX and select the new digit length. You can then edit the extension numbers in the Excel doc, and import them in the new PBX.
     
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