Patent ID: 6501948
Filing Date: 2002-12-31
Classification: H04W

Abstract:
Method of setting up a forwarded call in a telecommunication system where at least some subscribers belong to closed user groups, where calls between the subscribers differ from calls made outside the group as regards the way in which their calls are set up,the subscriber may order that when conditions established by the subscriber are fulfilled his call shall be forwarded to another subscriber who is the forwarding target, in the call set-up the connection is first set up between the calling subscriber and the exchange of the called subscriber using user group information defined by the calling subscriber, where the exchange of the called subscriber is an exchange having access to the subscriber's subscriber data, characterized in that the subscriber defines user group data of the forwarding for use in the forwarding leg between his own exchange and the subscriber who is forwarding target, and when the subscriber is a called subscriber and the conditions are fulfilled which the subscriber has established for call forwarding: the called subscriber's user group data of forwarding are fetched, and a connection is set up in the forwarding leg between the exchange of the called subscriber and the subscriber who is forwarding target using the user group data defined by the called subscriber for the forwarding leg.