answering phone service

Enhanced 911 or E911 service is a North American telephone network (NANP) feature of the 911 emergency-calling system that automatically associates a physical address with the calling party's telephone number.

This is generally done by a form of reverse telephone directory that is supplied by the telephone company as a computerized file. Computer software makes an association between the callers' line and an address. This provides emergency responders with the location of the emergency without the person calling for help having to provide it. Telephone Answering Service UK - Frontline. This is often useful in times of fires, break-ins, kidnapping, and other events where communicating your location is difficult or impossible.

A pioneering system was in place in Chicago by the mid-seventies providing both police and fire departments access to the source location of emergency calls. Enhanced 911 is currently deployed in most metropolitan areas in the United States and Canada.

The system only works in North America if the emergency telephone number 911 is called. Calls made to other telephone numbers, even though they may be listed as an emergency telephone number may not permit this feature to function correctly.