Looking to update your Ham Shack Hotline Extension? Watch this video for expert advice on phone provision and how to make the most of your HH setup. Ive been getting a lot of requests from folks in helping provision their HH Phone Extensions. So to add to the great video already created by  ‪@VE6LK‬   I created a quick addendum with steps to accessing and updating the Cisco SPA 500 Series phones.