Patent ID: 8249055
Filing Date: 2012-08-21
Classification: H04L,H04M

Abstract:
1. A method for localization and location-related relaying of a subscriber in a Voice-over-IP network to an emergency center, wherein the subscriber may intermittently be registered at a location other than a home address of the subscriber, comprising: providing the Voice-over-IP network with an address database; indexing addresses in the address database with location-related numbers and using a location-related number in the address database to indicate a current location of the subscriber; initializing the location-related number to identify the home address of the subscriber, wherein the home address at least identifies a city and a road; when the subscriber inputs a current address indicating that the current location of the subscriber is different from the home address, setting the location-related number to indicate the current address; at an expiration of a validity period of the current address indicating the current location, resetting the location-related number to identify the home address of the subscriber; routing an emergency call to an associated emergency center using the location-related number; transmitting the location-related number together with data from the subscriber to the associated emergency center; and ascertaining the current location of the subscriber making the emergency call using the location-related number by querying the address database.