Patent ID: 7961862

Claim:
A method of providing ringback in a wire-line telecommunications network, said method comprising: (a) receiving a call at a service switching point for a called party served by the service switching point, said call being from a calling party; (b) encountering a trigger detection point while engaging in a call setup for the call, said trigger detection point being provisioned for the called party at the service switching point; (c) in response to encountering the trigger detection point, extending a first leg of the call to a service node that provides ringback to the calling party, wherein the first leg of the call is extended to the service node from the service switching point via a first communication link therebetween; (d) setting-up a second leg of the call between the service node and the called party, wherein the second leg of the call is setup over a second communication link between the service node and the service switching point, said second link being different from the first link; (e) bridging together the first and second legs of the call at the service switching point, wherein the bridging is based at least in part on a FACILITY message; and, (f) removing the service node from participation in the call after the first and second legs have been bridged together at the service switching point, wherein the removing is performed by the service switching point.