When trying to delete your IP through ucontrol.thinktel.ca you have to...

1. Open uControl
2. Click on the blue "Services" Tab, then click SIP Trunks
3. Beside the SIP Trunk in question click the "details" button
4. Under the Configured SIP Binding - Click "Delete"
5. On the popup - Click "OK" to confirm the deletion.

Click Management-->Dashboard to return to the main screen.

We hope this info was helpful. If you have any problems or questions, please let us know. You can open a support ticket via https://support.thinktel.ca/contact or you can contact us by phone at 866-928-4465 Options 1-3-1