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The Maxwell has an integrated phone book for a maximum of 100 entries.

From software 2.13 the phone book can be imported via the:

  1. Web-interface
  2. Provisioning
    1. Location
    2. RenewPeriod

From software 2.25, also the 3CX phonebook is imported in the Maxwell every 24 hours. On this wiki page you can download the 3CX provisioning template that ensures the 3CX phonebook is downloaded. After provisioning one restart is needed to download the phonebook, after this the download will be done every 24 hour.

File format

The phonebook file has the following format, example:

<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE LocalDirectory>
<entry home2="" surname="Lastname" mobile1="" mobile2="" office1="0049123456789" office2="" name="Firstname" home1=""/>
<entry home2="" surname="User" mobile1="0049987654321" mobile2="" office1="" office2="" name="First" home1=""/>

From software 2.25 we also support the 3CX format.

<?xml version="1.0" encoding="utf-8"?>


Go to: Settings - Desk Phone - Local Phonebook.

You can select the phonebook (XML) file to upload or download to store on your PC.

From software 2.25, you can also change the URL and Daily Refresh Time via the Web-interface.


As we added in Software 2.25 the possibility to change the URL and Time in the web-interface, also the provisioning parameters are changed.

Provisioning xml format example 1, Software >=2.25:

<?xml version="1.0" encoding="UTF-8"?>
<provisioning version="1.1" productID="mx3b">


<param name="System.LocalPhonebook.Url" value="%%PROVLINK%%/phonebook.xml" />

<param name="System.LocalPhonebook.UpdateTime" value="08:00" />


Provisioning xml format example 1, Software <2.25:

<?xml version="1.0" encoding="UTF-8"?>

<provisioning version="1.1" productID="mx3b">


    <file version="2.21.5" url="" />



    <param name="PhoneUI.Settings.Confirmations" value="12121"/>

    <param name="PhoneUI.Settings.KeyClick" value="221122"/>



    <step type="LocalPhoneBook" url="/files/phonebook.xml" />



Device will download between 1:00 and 4:00 am randomly.

Provisioning xml format example 2, Software <2.25:


 <step type="LocalPhoneBook" url="" renewPeriod="" />


RenewPeriod can be skipped, empty, or value in minutes

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