This report shows us a list of the most actively used extensions for outgoing calls in a company or organization.

Open the full-size illustrative report.

PBXDom Top 25 Most Widely Used Extensions – Outgoing with illustrative data for September 11, 2026

What to notice: Extension 204 makes 30 of 120 outgoing calls (25%). This identifies outbound activity to review, not the most expensive extension: the cost summary shows why rates and durations matter too.

1. Ext: the extension number

2. Count: the total number of outgoing calls made by an extension