Patent ID: 6130939
Filing Date: 2000-10-10
Classification: H04M,H04Q

Abstract:
A method for enabling completion of a call to a subscriber who has moved from an original terminating switch to a ported terminating switch comprising the steps ofat an originating switch, in response to a dialed number, querying a ported number list to determine if the dialed number is indicated as having been ported from the original terminating switch to the ported terminating switch;if the dialed number is in said queried ported number list, accessing a routing translation database for a translation of the dialed number;if the dialed number is not in said queried ported number list, routing the call to the original terminating switch;if the original terminating switch releases the call back to the original switch, the originating switch accessing the routing translation database for the translation of the dialed number; andusing the translation to route the call.