Direct calling to devices via a shared telephone number
First Claim
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1. A method for establishing a voice telephone call with a device that has an address outside the address space of the Public Switched Telephone Network, said method comprising:
- receiving a first call set-up message for a first voice telephone call that has been forwarded from a first originally-called telephone number, wherein said first originally-called telephone number is an address in the address space of the Public Switched Telephone Network; and
attempting, without human intervention and without intervention of an interactive voice response system, to establish a voice telephone call with a first device that has an address outside the address space of the Public Switched Telephone Network;
wherein said address of said first device is found from said first originally-called telephone number; and
wherein the caller of said first voice telephone call is not notified of the forwarding from said first originally-called telephone number.
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Abstract
The present invention provides a technique for directly calling telephones via a shared telephone number, which telephones do not have telephone numbers in the address space of the Public Switched Telephone Network. This is particularly useful for visitors and guests who are, for example, temporarily at a hotel, school campus, or business.
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Citations
20 Claims
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1. A method for establishing a voice telephone call with a device that has an address outside the address space of the Public Switched Telephone Network, said method comprising:
- receiving a first call set-up message for a first voice telephone call that has been forwarded from a first originally-called telephone number, wherein said first originally-called telephone number is an address in the address space of the Public Switched Telephone Network; and
attempting, without human intervention and without intervention of an interactive voice response system, to establish a voice telephone call with a first device that has an address outside the address space of the Public Switched Telephone Network;
wherein said address of said first device is found from said first originally-called telephone number; and
wherein the caller of said first voice telephone call is not notified of the forwarding from said first originally-called telephone number. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
- receiving a first call set-up message for a first voice telephone call that has been forwarded from a first originally-called telephone number, wherein said first originally-called telephone number is an address in the address space of the Public Switched Telephone Network; and
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11. An apparatus for establishing a voice telephone call with a device that has an address outside the address space of the Public Switched Telephone Network, said apparatus comprising:
- a switch for;
(1) receiving a first call set-up message for a first voice telephone call that has been forwarded from a first originally-called telephone number, wherein said first originally-called telephone number is an address in the address space of the Public Switched Telephone Network L and (2) attempting, without human intervention and without intervention of an interactive voice response system, to establish a voice telephone call with a first device that has an address outside the address space of the Public Switched Telephone Network;
wherein said address of said first device is found from said first originally-called telephone number, and wherein the caller of said first voice telephone call is not notified of the forwarding from said first originally-called telephone number; and
a memory for mapping said first originally-called telephone number to said address of said device. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20)
- a switch for;
Specification