System and method for call routing based on source of call

摘要

A system and method routes a call within a communications network. A call routing device is interconnected to a plurality of trunks forming trunk groups and receives a call. A database stores a dialing plan having data related to restrictions as to which outbound trunk from the call routing device can be used based on an originating account as either a station or trunk of a caller or the number of a caller. A call router processor determines an outbound trunk from the call routing device to which a call from a caller is routed at the call routing device if the configured dial plan permits the originating account or number of the caller to access the selected outbound trunk. A call router routes the call from the caller onto the selected outbound trunk.