There are times when you want to change default Skype port ie. 80 and 443. If you want to use any web server(Apache,XAMPP,IIS) these ports conflict with web servers ports.
Follow below steps to change Skype ports:
STEP-1: Open Skype and select Tools Menu.
STEP-2:Select Connection option. You will get following screen where a check box with text “Use port 80 and 443 as alternatives for incoming connections” Checked.
STEP-3: Just uncheck “Use port 80 and 443 as alternatives for incoming connections” Checkbox. and you are done.Following popup window appears click OK and Reboot/Restart.
Hope this help you in changing default skype ports.