Patent ID: 7333599

Claim:
A method for implementing a call control service when processing a call in a telecommunications system, the call being from a calling party at a calling communication station having a calling party directory number, the call intended for a called party at a called communication station at a called party directory number, the method comprising: receiving a termination attempt query at a service control point (SCP) from a terminating service switching point (SSP) associated with the called communication station; at the SCP, determining if a redirecting element field is set to a specified directory number of network equipment designated to process calls for the call control service; if the redirecting element field is set to the specified directory number, sending a forward call response message to the terminating SSP; receiving a new terminating attempt query from the terminating SSP to the SCP, the new terminating attempt query produced by the terminating SSP in response to receiving a new call at the terminating SSP, the new call directed to the called party directory number with a call setup message having a redirecting element field set to the specified directory number of the network equipment designated to process calls for the call control service; at the SCP, determining if the redirecting element field is set to the specified directory number; and if so, sending an authorize termination message from the SCP to the terminating SSP for processing of the new call to the called communication station.