3CX Remote Provisioning Port Calculator
Provided Free by PBXMonitor for 3CX
Developed by Brentt Graeb
Updated for 3CX 16.0.5.x
This is intended to assist in the proper alignment of port numbers on Remote Provisioned Extensions, and the resulting chart can be easily copy/pasted to excel.
This also makes it possible to share the chart with multiple employees which can then work togeather to provision extensions in the PBX without conflicting ports between each other.
Starting Extention #
Number of Phones



Results for Phones, Starting with Ext
ExtentionSIPRTP StartRTP End