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    Reformatting Inbound CLI 3CX

    Learn how to configure and manage an Inbound 3CX CLI to help streamline your operations.

    Step-by-step guide

    1. Expand the 'VoIP Providers' or 'VoIP/PSTN Gateways' node in the 3CX Management Console and expand the port/trunk that you want to configure.
    2. Click on the main port node and select the 'Other Options' tab.
    3. In the section 'Reformat Caller ID', create and apply your rules for incoming or outgoing Caller IDs.
    4. You can apply more than one rule per direction. Rules have priority and the rule that is matched first will be applied.


    Scenario 1 – Company ABC wants all UK inbound numbers to show as a local UK number format. In this case we can make a simple rule that states the following:

    Source CID Pattern: (44)(.*)
    New Source CID Pattern: 0\2

    In this example:

    • (44) refers to the country code for USA and is considered the first variable – \0
    • (.*) The remaining number and therefore this is the third variable – \2

    This means is that we are keeping only the 2rd variable – the local number only. So an incoming number that is presented like this: 442021234567 will be shown as 0234567.

    More details can be found at http://www.3cx.com/blog/docs/cid-formatting/

    Best security practices for the 3CX system: http://www.3cx.com/3cxacademy/videos/advanced/security-with-3cx-phone-system/

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