Patent ID: 7471784
Filing Date: 2008-12-30
Classification: H04M

Abstract:
1. A method of routing a call in a communication network by reference to one or more databases, said method comprising: in response to receiving a local number portability request at a service control point (SCP), the SCP accessing said one or more databases to determine whether or not to apply custom call routing to a call to a called telecommunications number, wherein accessing said one or more databases to determine whether or not to apply custom call routing to a call comprises: in response to determining to apply custom call routing to the call, the SCP performing at least a second access to said one or more databases to obtain a local routing number (LRN) associated within said one or more databases with a calling telecommunications number associated with said call, wherein performing at least a second access comprises: providing the LRN to a service switch point in the communication network so that the call is routed to a called station associated with the called telecommunications number.