Set up a different custom call forwarding feature in which all calls from the mainline then selected an extension number to forward to a different number/extension vs direct calls an extensions DIDExampleMainline: 888 *** 45Extension: 101Extension 101 DID: 615 *** 45Calls from mainline 888 * 45 then press 101: Forward to another extCalls directly to DID if ext 101 615 *** 45**: Forward to a different extension