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Requisites needed before upgrading from version 14 to version 15

Discussion in '3CX Phone System - General' started by SON, Jun 23, 2017.

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  1. SON


    Feb 1, 2017
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    Hi Guys,

    Our client has a 3 sites ( License: 3CX phone System Professional each) 2 hotel and a School , they are currently in version 14, and before they do an upgrade to version 15, they want to know what are the requisites or things to consider before they conduct an upgrade.

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