The Switchvox Fire Dialer extension works with the Firefox web browser and the Switchvox PBX to allow you to click phone numbers on any web page and have that number ring your extension. 

Features:

Allows dialing numbers from any web page
Imports your Rapid Dial list to allow calling from your browser
Has a highlight feature to make finding phone number easy
Conviently keeps track of your dialed numbers

Download Extension:

For Firefox versions 1.5 - 2.0: Download
For Firefox versions 3.0: Download