# Dialing Exceptions

# Overview

The **Dialing Exceptions** page controls which extensions can dial selected feature codes, patterns, or destination groups. Open it from **Configuration > Settings > Exceptions**.

The page works against the tenant currently selected in the top bar. The screenshots and demo rows were captured in the **Canistracci OIL** tenant.

<figure id="bkmrk-dialing-exceptions-l">![Dialing Exceptions list page in the Canistracci OIL tenant.](https://manual.mirtapbx.com/uploads/images/gallery/2026-06/UP7dialing-exceptions-list.png)<figcaption>Dialing Exceptions list page in the Canistracci OIL tenant.</figcaption></figure>## Working with objects

<table id="bkmrk-taskhow-to-do-it-edi"><thead><tr><th>Task</th><th>How to do it</th></tr></thead><tbody><tr><td>Edit</td><td>Change the checkbox matrix to allow or block specific dialing patterns, then save or test the result.</td></tr><tr><td>Test</td><td>Use the test controls to validate how a number is handled for a selected extension.</td></tr><tr><td>Delete</td><td>There is no separate delete action because the page stores rule states, not independent rows.</td></tr></tbody></table>

## Page functions

<table id="bkmrk-actiondescription-te"><thead><tr><th>Action</th><th>Description</th></tr></thead><tbody><tr><td>Test</td><td>Runs a test for the selected configuration.</td></tr></tbody></table>

## Demo records

The tenant contains 1 documentation demo record for this page: an advanced dialing exception from **^10\[0-9\]$** to **^\\\*900$**.