Are you looking for a simple and easy GSM intercom/entryphone? This is the simple process of setting up the AES Cellcom Lite GSM Intercom. #GSM #GSMIntercom #EntryPhone #Cellcom #Howtosetup Michael has filmed this tutorial if you would prefer to watch along instead of reading this! (You'll find that at the bottom!) The Cellcom Lite is designed to be a simple and effective intercom for those who want reliable access control for a single entry, (…and don’t need all the extras