Telecommunication system having capability of notifying the occurrence of forwarding of an incoming call to a terminal
First Claim
1. An exchange comprising:
- call forwarding means provided in said exchange for forwarding a call directed to a called terminal, from a calling terminal to a forwarding terminal and for connecting the call between the calling terminal and the forwarding terminal;
accumulation means provided in said exchange for accumulating call forwarding information indicating a presence of the call directed to the called terminal and a time of the call forwarding; and
notification means provided in said exchange for notifying said called terminal of accumulation of said call forwarding information by transmitting thereto a control signal.
1 Assignment
0 Petitions
Accused Products
Abstract
A telecommunication system comprises a network for carrying a traffic of information, terminals connected to the network, a transfer unit provided in the network for transferring a call coming in from a calling terminal to a first destination terminal and from the first destination terminal to a second destination terminal. An accumulation unit is provided in the network for accumulating information indicative of occurrence of a transfer of an incoming call each time the transfer of the call occurs from the first destination terminal to another destination terminal. The network further includes a transfer notification unit for notifying the first destination terminal of the occurrence of the transfer by transmitting a control signal from the network to the first destination terminal. A transfer reporting unit is provided in the network for receiving a request signal from the first terminal and for transmitting the call transfer information from the accumulation unit to the first destination terminal.
-
Citations
14 Claims
-
1. An exchange comprising:
-
call forwarding means provided in said exchange for forwarding a call directed to a called terminal, from a calling terminal to a forwarding terminal and for connecting the call between the calling terminal and the forwarding terminal; accumulation means provided in said exchange for accumulating call forwarding information indicating a presence of the call directed to the called terminal and a time of the call forwarding; and notification means provided in said exchange for notifying said called terminal of accumulation of said call forwarding information by transmitting thereto a control signal. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
-
-
14. An exchange comprising:
-
call forwarding means provided in said exchange for forwarding a call directed to a called terminal, from the calling terminal to a forwarding terminal and for connecting the call between the calling terminal and the forwarding terminal; accumulation means provided in said exchange for accumulating call forwarding information indicating a presence of the call directed to the called terminal and a time of the call forwarding; and notification means provided in said exchange for notifying said called terminal of accumulation of said call forwarding information by transmitting thereto a control signal; reporting means for receiving a request signal from said called terminal and for transmitting said call forwarding information from said accumulation means to said called terminal in response to said request signal, wherein said reporting means checks for the existence of the call forwarding information to be transmitted in said accumulation means each time said request signal is issued from said called terminal, and transmits said control signal to said called terminal for notifying said called terminal of the non-existence of call forwarding information to be transmitted when there is no call forwarding information in said accumulation means to be transmitted, and wherein said control signal transmitted to said called terminal for notifying of the non-existence of call forwarding information comprises a busy tone signal transmitted to terminals connected thereto for notifying a busy status of the exchange.
-
Specification