An embodiment of a method includes generating one or more route plans, each route plan being associated with a service plan, and provisioning the one or more route plans on a core routing engine accessible by a softswitch for routing calls according to the one or more route plans. The one or more route...http://www.google.com.tw/patents/US7738647?utm_source=gb-gplus-share專利 US7738647 - Local routing management in a telecommunications network
