`Case 6:21-cv-00667-ADA Document 14-10 Filed 08/19/21 Page 1 of 2
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`EXHIBIT 9
`EXHIBIT 9
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`Case 6:21-cv-00667-ADA Document 14-10 Filed 08/19/21 Page 2 of 2
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`EXHIBIT 9
`The following tables compare the abstracts of U.S. Patents 8,630,234 (“the ’234 Patent”) and 10,880,721 (“the ’721 Patent”) against
`the abstract of U.S. Patent 10,218,606 (“the ’606 Patent”). Yellow represents elements in the ’234 or ’721 Patent abstracts that are missing
`in the ’606 Patent abstract. Red represents elements in the ’606 Patent abstract that are missing in the ’234 or ’721 Patent abstracts.
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`A. U.S. Patent 8,630,234 (“the ’234 Patent”), Abstract
`A. U.S. Patent 10,218,606 (“the ’606 Patent”), Abstract
`A method of initiating a call to a callee using a mobile
`A process and apparatus to facilitate communication between callers
`telephone involves: receiving, from a user of the mobile
`and callees in a system comprising a plurality of nodes with which
`telephone, a callee identifier associated with the callee;
`callers and callees are associated is disclosed. In response to
`transmitting an access code request message to an access
`initiation of a call by a calling subscriber, a caller identifier and a
`server, said access code request message including said callee
`callee identifier are received. Call classification criteria associated
`identifier; receiving an access code reply message from the
`with the caller identifier are used to classify the call as a public
`access server in response to said access code request message,
`network call or a private network call. A routing message identifying
`said access code reply message including an access code
`an address, on the private network, associated with the callee is
`different from said callee identifier and associated with said
`produced when the call is classified as a private network call and a
`callee identifier; and initiating a call with the mobile telephone
`routing message identifying a gateway to the public network is
`using said access code to identify the callee.
`produced when the call is classified as a public network call.
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`B. U.S. Patent 10,880,721 (“the ’721 Patent”), Abstract
`A method of initiating a call to a callee using a mobile
`telephone involves: receiving, from a user of the mobile
`telephone, a callee identifier associated with the callee;
`transmitting an access code request message to an access
`server, the access code request message including the callee
`identifier; receiving an access code reply message from the
`access server in response to the access code request message,
`the access code reply message including an access code
`different from the callee identifier and associated with the
`callee identifier; and initiating a call with the mobile telephone
`using the access code to identify the callee.
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`B. U.S. Patent 10,218,606 (“the ’606 Patent”), Abstract
`A process and apparatus to facilitate communication between callers
`and callees in a system comprising a plurality of nodes with which
`callers and callees are associated is disclosed. In response to
`initiation of a call by a calling subscriber, a caller identifier and a
`callee identifier are received. Call classification criteria associated
`with the caller identifier are used to classify the call as a public
`network call or a private network call. A routing message identifying
`an address, on the private network, associated with the callee is
`produced when the call is classified as a private network call and a
`routing message identifying a gateway to the public network is
`produced when the call is classified as a public network call.
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