System and method for sending called party caller identification information to a forward-to telephone device in a communications system
First Claim
1. A method for conveying caller identification information of a called party to a forward-to telephone device in a communications system, the method comprising:
- receiving a call set up message at a first switching system servicing a called telephone device;
determining whether the call set up message is to be routed to a second switching system servicing a forward-to telephone device; and
responsive to determining the call is to be routed to a second switching system servicing the forward-to telephone device, inserting caller identification information of the called telephone device into a caller identification field of the call set up message.
1 Assignment
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Accused Products
Abstract
A method, computer program product, and a signaling system for conveying caller identification information of a called party to a forward-to telephone device in a communications system. A call set up message is received at a switching system servicing a called telephone device. The call set up message is determined to be forwarded to a switching system servicing a forward-to telephone device. Caller identification information of the called telephone device is inserted into a caller identification field of the call set up message.
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Citations
22 Claims
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1. A method for conveying caller identification information of a called party to a forward-to telephone device in a communications system, the method comprising:
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receiving a call set up message at a first switching system servicing a called telephone device;
determining whether the call set up message is to be routed to a second switching system servicing a forward-to telephone device; and
responsive to determining the call is to be routed to a second switching system servicing the forward-to telephone device, inserting caller identification information of the called telephone device into a caller identification field of the call set up message. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A signaling system for performing call set up processing in a communication system, the signaling system comprising:
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a line information database having subscriber records indicating telephone service subscription features; and
a first switching system servicing a called telephone device identified in a call set up message, wherein the switching system, responsive to interrogating the line information database, determines the call set up message is to be forwarded and inserts caller identification information of the called telephone device into a caller identification field of the call set up message. - View Dependent Claims (9, 10, 11, 12, 13, 14)
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15. A computer program product in a computer readable medium for modifying a call set up message, the computer program product comprising:
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first instructions, responsive to reading a telephone number of a called telephone device in a call set up message, for interrogating a subscriber record database and determining the call set up message is to be terminated by a forward-to telephone device, wherein the first instructions insert caller identification information of the called telephone device into a first caller identification field of the call set up message; and
second instructions for transmitting the call set up message to a switching system servicing the forward-to telephone device. - View Dependent Claims (16, 17, 18, 19, 20)
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21. A method in a data processing system for providing caller identification information, the method comprising:
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detecting a call originating from a calling number to a called number;
determining whether the call to the called number is to be forwarded to another number;
responsive to determining that the call to the called number is to be forwarded to the another number, including caller identification information of the called number in a call set up message; and
routing the call set up message to the another number. - View Dependent Claims (22)
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Specification