Many hotels have private Wi-Fi connections for their customers only. At check-in the hotel will give you an access code for the Wi-Fi network, it might be free or there might be a charge. Follow the hotels instructions on how to access the Wi-Fi network, you might even have to access a designated web page to enter the Wi-Fi code. Once you have accessed the Wi-Fi network the dialer will now show “Registered”. You may now proceed to make calls.