METHOD, SYSTEM AND APPARATUS FOR IMPLEMENTING SECURE CALL FORWARDING

摘要

A method, system and apparatus for implementing secure call forwarding are provided in the present invention. The method includes: a calling party calling a called party, the called party triggering the subscribed call forwarding service; a key management server (KMS) obtaining information of a legal call-forwarded party of the called party through an application server; the call-forwarded party obtaining a media key from the KMS; and the calling party establishing a call connection with the call-forwarded party.