Pre-connection call authentication within a telephony network
First Claim
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1. A method for providing pre-connection call authorization within a telephony network comprising the steps of:
- receiving at a destination switch a telephony connectivity request for establishing a telephony voice channel between an originating device and a receiving device, said receiving device connected to said destination switch;
identifying said receiving device specified by said connectivity request;
accessing receiving device specific information from a call authorizer connected to said destination switch and remote from said receiving device, wherein said device specific information includes an authorization requirement;
sending an authorization request via a ringback channel from said destination switch to said originating device without traversing a data channel;
sending a digitally encoded signal specifying an authorization code from said originating device in response to the authorization request, said signal being conveyed within at least one pre-connection transmission channel, the pre-connection-transmission channel being distinct from the ringback channel and utilized to convey information before a telephony connection is established with the originating device;
determining whether said authorization code satisfies said authorization requirement; and
,establishing said telephony voice channel between said originating device and said receiving device responsive to said determining step, wherein said identifying, accessing, and determining steps occur after the originating device provides the telephony connectivity request and before a telephony voice channel involving the originating device is established.
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Abstract
A method for providing call authorization within a telephony network can include receiving a telephony connectivity request for establishing a telephony voice channel between the originating device and a receiving device. The specified receiving device can be determined and receiving device specific information that includes an authorization requirement can be accessed. A connection between the originating device and the receiving device can be established responsive to whether the authorization code satisfies the authorization requirement.
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Citations
30 Claims
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1. A method for providing pre-connection call authorization within a telephony network comprising the steps of:
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receiving at a destination switch a telephony connectivity request for establishing a telephony voice channel between an originating device and a receiving device, said receiving device connected to said destination switch; identifying said receiving device specified by said connectivity request; accessing receiving device specific information from a call authorizer connected to said destination switch and remote from said receiving device, wherein said device specific information includes an authorization requirement; sending an authorization request via a ringback channel from said destination switch to said originating device without traversing a data channel; sending a digitally encoded signal specifying an authorization code from said originating device in response to the authorization request, said signal being conveyed within at least one pre-connection transmission channel, the pre-connection-transmission channel being distinct from the ringback channel and utilized to convey information before a telephony connection is established with the originating device; determining whether said authorization code satisfies said authorization requirement; and
,establishing said telephony voice channel between said originating device and said receiving device responsive to said determining step, wherein said identifying, accessing, and determining steps occur after the originating device provides the telephony connectivity request and before a telephony voice channel involving the originating device is established. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A system for providing call authorization comprising:
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a profile repository containing receiving device specific information; and
,a call authorizer communicatively linked to a telephony network and to said profile repository, configured to send via a ringback channel and receive via a pre-connection transmisson channel digitally encoded pre-connection telephony signals specifying authentication information; wherein said authentication information comprises an authorization request conveyed via a ringback channel from a destination switch of said telephony network to a call-originating device without traversing a data channel, and a digitally encoded signal specifying an authorization code conveyed from the call-originating device to the destination switch via at least one pre-connection transmission channel distinct from the ringback channel. - View Dependent Claims (15, 16, 17)
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18. A computer readable storage having stored thereon, a computer program having a plurality of code sections, said code sections executable by a machine for causing the machine to perform the steps of:
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receiving at a destination switch a telephony connectivity request for establishing a telephony voice channel between an originating device and a receiving device, said receiving device connected to said destination switch; identifying said receiving device specified by said connectivity request; accessing receiving device specific information from a call authorizer connected to said destination switch and remote from said receiving device, wherein said device specific information includes an authorization requirement; sending an authorization request via a ringback channel from said destination switch to said originating device without traversing a data channel; sending a digitally encoded signal specifying an authorization code from said originating device in response to the authorization request, said signal being conveyed within at least one pre-connection transmission channel, the preconnection-transmission channel being distinct from the ringback channel and utilized to convey information before a telephony connection is established with the originating device; determining whether said authorization code satisfies said authorization requirement; and
,establishing said telephony voice channel between said originating device and said receiving device responsive to said determining step, wherein said identifying, accessing, and determining steps occur after the originating device provides the telephony connectivity request and before a telephony voice channel involving the originating device is established. - View Dependent Claims (19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30)
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Specification