Enables a user to have circuit-mode calls redirected form the user's directory to another directory number. The Stored Program Control Switching System (SPCS) serving the user performs the redirection function. Presents the Telcordia view of proposed generic requirements for call forwarding, including requirements to support National ISDN Enhancement #102 and clarifications regarding the use of redirecting subaddress for alignment with other requirements documents, and on the operation of ISDN Call Forwarding over Private Facilities with respect to the automatic answer indication sent towards the calling user when a call is forwarded.