E911 is short for “Enhanced 911″ and is used for providing emergency service on cellular and Internet voice calls. Vonage E911 service operates differently than traditional landline 911 and cellular/wireless 911. Communicate the essential information to emergency assistance with E911 Locations. See https://www.vonage.com/e911 for details.
Set an address for individual extensions or your entire account so that responders know where to send help in the event of an emergency.