1. A method for routing a telephone call in a network comprising steps of: (a) attaining, at a service control point, routing data associated with the call other than origination identification or first destination identification; (b) writing the routing data in-band, in a data field conventionally dedicated to information other than routing data, with the call to forward to a second network point serviced by a computer-telephony integration (CTI) system; (c) accessing the routing data at the second network point by the CTI system; and; (d) using the routing data to select a third network destination for the call.