Case 6:24-cv-00298-DC-DTG Document 1-6 Filed 05/30/24 Page 1 of 50
`Case 6:24-cv-00298-DC-DTG Document1-6 Filed 05/30/24 Page 1 of 50
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`EXHIBIT 6
`EXHIBIT 6
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`

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`Case 6:24-cv-00298-DC-DTG Document 1-6 Filed 05/30/24 Page 2 of 50
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`CHART A
`
`INTRODUCTION
`
`T-Mobile US Inc. (“T-Mobile”) manufacturers, maintains, and supports operation of mobile telephone devices (hereinafter T-Mobile User
`Equipment or “T-Mobile UE”). T-Mobile enables the T-Mobile UE to exchange text messages, voice messages, voice and video calls, share images,
`documents, user locations, and other content, as well as access the Internet via wireless networks of T-Mobile and other wireless telephone
`companies around the world (e.g., using technologies such as Long-Term Evolution (LTE) or Wi-Fi calling (WFC or VoWiFi)). T-Mobile configures
`the T-Mobile UE with hardware, firmware, configuration data, operating systems, and/or client software applications developed directly or indirectly
`by T-Mobile, and at times in conjunction with wireless telephone companies around the world, in order to enable the T-Mobile UE to connect to and
`communicate via the wireless networks owned and operated by T-Mobile and these other wireless telephone companies. In particular, T-Mobile
`configures the T-Mobile UE with the hardware, firmware, configuration data, operating systems, and/or client software applications developed
`directly or indirectly by T-Mobile and in conjunction with most major wireless telephone companies in the United States to enable users of the T-
`Mobile UE to connect to and communicate via IP-based telecom networks of the major wireless telephone companies. Additionally, T-Mobile
`actively encourages and enables users of the T-Mobile UE, as subscribers of these major wireless telephone companies, to send/receive messages
`(e.g., text or SMS) and make/receive Voice over IP (VoIP) calls using features of the hardware, firmware, configuration data, operating systems,
`and/or client software applications of the T-Mobile UE.
`
`Moreover, T-Mobile manufacturers, maintains, and supports operation of various IP-based communications networks in the United States and
`around the world (hereinafter the “T-Mobile Network”) to support users of the T-Mobile UE as subscribers. Additionally, T-Mobile works in
`conjunction with all major wireless telephone companies in the United States to enable the hardware, firmware, configuration data, operating
`systems, and/or client software applications of the T-Mobile UE to connect to and communicate via T-Mobile’s IP-based telecom networks as well as
`those of the other major wireless telephone companies. T-Mobile actively encourages and enables the major wireless telephone companies to support
`the T-Mobile UE as wireless devices compatible to use the IP-based telecom networks of the major wireless telephone companies to send/receive IP-
`based messages and make/receive IP-based calls.
`
`U.S. Patent No. 9,179,005 (hereinafter the ’005 Patent) discloses techniques for routing communications in Internet-Protocol (IP) based
`networks to facilitate communication between callers and callees. The ’005 Patent sets forth, in the claims, processes for routing communications by
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`CHART A
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`classifying calls between the callers and callees based in part on calling attributes associated with calling profiles of the callers. When IP-based calls
`are classified as private network calls based in part on calling attributes associated with the calling profiles of the callers, private network routing
`messages are used to route the calls appropriately within the IP-based networks of the IP-based communication service providers. When IP-based
`calls are classified as public network calls based in part on calling attributes associated with the calling profiles of the callers, public network routing
`messages are used to route the calls from the IP-based networks of the IP-based communication service providers to appropriate gateways to public
`networks, such as to an external Voice over IP (VoIP) service provider and/or the public switched telephone network (PSTN). The ’005 Patent (as
`well as parent U.S. Patent No. 8,542,815; and continuations U.S. Patent No. 9,537,762; 9,813,330; U.S. Patent No. U.S. Patent 9,826,002; and U.S.
`Patent No. 9,948,549) has been vetted by the USPTO during initial examination and extensively in at least 12 Inter-Parties Review Proceedings
`which found the ’005 Patent novel and non-obvious under §§ 102 and 103 in view of voluminous prior art.
`
`Result
`
`Number of IPR’s
`
`Patent Number
`IPR Defeated
`4
`U.S. Patent 8,542,815
`U.S. Patent 9,179,005
`IPR Defeated
`4
`IPR Defeated
`1
`U.S. Patent 9,537,762
`IPR Defeated
`1
`U.S. Patent 9,813,330
`IPR Defeated
`1
`U.S. Patent 9,826,002
`IPR Defeated
`1
`U.S. Patent 9,948,549
`In the Final Written Decision of IPR-2016-01198, initiate by Apple and which was successfully defeated by the Patent Owner, the Board
`declared “[a]ccordingly, for all the above-noted reasons, we are not satisfied, on the record before us, that Petitioner has accounted adequately for the
`requirement that calling attributes associated with a caller form the basis, in-part, for ultimately assessing whether private network or public network
`classification criteria have been met and routing of messages based on that assessment.” (See PAPER 53 Final Written Decision, starting with last
`paragraph on page 24). The assessment of the Board is almost word-for-word reiterated in the Decisions in the other 11 IPRs.
`
`The ’005 Patent further sets forth, in the asserted claims, processes for operating routing controllers in IP-based networks of IP-based
`communication service providers to facilitate texting/SMS and call communications by classifying communications between the callers and callees
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`CHART A
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`based in part on calling attributes associated with calling profiles of the callers. More particularly, the ’005 Patent further describes classifying such
`communications using Direct Inward Dial (DID) records that associate DID numbers (e.g., a public telephone number) with callees. Classifying
`communications between callers and callees using these processes are specific, useful functions performed by routing controllers in IP-based
`communication networks that have tangible physical results improving overall operation of call controllers to route calls in complex IP-based
`networks, specifically by the application of practical lookups of particular DID records associating DID numbers with callees to the production of
`routing messages configuring the route of the IP-based calls within and from the IP-based networks.
`
`The T-Mobile UE in conjunction with the IP-based telecom networks of wireless telephone companies in the United States, including all
`major wireless telephone companies, implement the processes for operating call routing controllers as described in the ’005 Patent and defined in the
`asserted claims literally and/or under the doctrine of equivalents. Chart A applies the asserted claims specifically to:
`
`• The Verizon Network providing IP-based messaging (e.g., text and SMS) and calling capabilities (e.g., via VoLTE and VoWiFi) to
`the Verizon UE through products and/or services manufactured, maintained, and supported by Verizon. The Verizon Network is
`configured directly by Verizon to have IP-based messaging and calling capabilities for use with the IP-based messaging and calling
`capabilities of the Verizon UE. Verizon further actively encourages and enables users to be subscribers of Verizon and use the
`Verizon Network with the Verizon UE. See https://www.t-mobile.com/cell-phones/brand/t-mobile.
`• The Verizon UE providing IP-based messaging (e.g., text and SMS) and calling capabilities (e.g., via VoLTE and VoWiFi) in
`conjunction with the Verizon Network, particularly the specific hardware and/or software components in the IP-based telecom
`networks of Verizon that provide IP-based messaging (e.g., text and SMS) and calling capabilities (e.g., via VoLTE and VoWiFi). The
`Verizon UE particularly include all Verizon UE marketed under the Verizon brand name (or manufactured and supported as
`compatible with the Verizon Network) and used in conjunction with the hardware and/or software embodied discussed above as the
`Verizon Network. See https://www.t-mobile.com/support/coverage/wi-fi-calling-from-t-mobile. “Wi-Fi Calling lets you call or text
`on Wi-Fi networks with your T-Mobile phone number, extending your coverage and keeping you connected!”
`
`T-Mobile manufacturers, maintains, and supports the T-Mobile UE and actively encourages and enables users of the T-Mobile UE, as
`subscribers of wireless telephone companies in the United States using T-Mobile UE manufactured and sold under the REVVL brand name, to
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`Case 6:24-cv-00298-DC-DTG Document 1-6 Filed 05/30/24 Page 5 of 50
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`CHART A
`
`participate in IP-based messaging and calling functionality that incorporates the call classification and routing of calls between callers and callees
`techniques described in the ’005 Patent. Additionally, T-Mobile actively encourages and enables these wireless telephone companies to support the
`above identified T-Mobile UE and to allow the T-Mobile UE to connect to their respective IP-based telecom networks and to participate in IP-based
`messaging and calling that incorporates the call classification and routing of calls between callers and callees techniques described in the ’005 Patent.
`T-Mobile actively encourages and enables these wireless telephone companies to use one or more communication networks, one or more servers, one
`or more services, and/or one or more other resources associated with IP-based messaging and calling server software applications to implement setup,
`routing, and delivery of non-real time (e.g., messages) and real time (e.g., voice and/or video calls) communication to and from the T-Mobile UE. T-
`Mobile actively encourages and enables the wireless telephone companies to use, in conjunction with the T-Mobile UE, IP-based messaging and
`calling server software applications running on servers owned and operated by these wireless telephone companies. T-Mobile actively encourages
`and enables these wireless telephone companies to, in conjunction with the T-Mobile UE including all T-Mobile UE manufactured and sold under the
`REVVL brand name, to perform IP-based messaging and calling functionality that incorporates the call classification and routing of calls between
`callers and callees techniques described in the ’005 Patent.
`
`Chart A applies claims 57 and 90 of the ’005 Patent (including an analysis of the independent and/or intermediary claims) to the T-Mobile
`UE in conjunction with specific hardware and/or software components of the IP-based telecom networks of T-Mobile providing IP-based messaging
`(e.g., text and SMS) and calling (e.g., via VoLTE and VoWiFi) to incorporate the communication classification and routing of communications
`between callers and callees features as described in the ’005 Patent and defined in the asserted claims literally and/or under the doctrine of
`equivalents.
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`Case 6:24-cv-00298-DC-DTG Document 1-6 Filed 05/30/24 Page 6 of 50
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`50.
`[50p] A call routing
`controller apparatus for producing a
`routing message for routing
`communications between a caller and
`a callee in a communication system,
`the apparatus comprising:
`
`CHART A
`
`U.S. Patent No. 9,179,005
`The T-Mobile Network alone or in conjunction with the T-Mobile UE includes a call routing controller
`apparatus for producing a routing message for routing communications between a caller and a callee in a
`communication system.
`
`In the T-Mobile Network, for example, routing communications between a first and second participant as
`described in the ‘005 Patent and defined in the apparatus of claim 50 is performed, literally and/or using
`the doctrine of equivalents, by the T-Mobile telecom infrastructure and the T-Mobile UE which includes
`the specific products and/or services as described in the Introduction and further identified as follows.
`• The T-Mobile Network alone or in conjunction with the T-Mobile UE includes one or more call
`routing controllers that facilitate communication between callers and callees. This table specifically
`applies claim 50 to T-Mobile’s call routing controllers to send/receive messages (e.g., text and
`MMS messages) and make/receive IP-based calls (e.g., VoLTE and VoWiFi calls) with the T-
`Mobile UE calling subscriber equipment. The T-Mobile Network also includes one or more
`communications networks used by T-Mobile to send/receive messages and make/receive IP-based
`calls. See, e.g., https://www.t-mobile.com/support/coverage.d
`• The T-Mobile Network further includes a plurality of nodes with which callers and callees are
`associated. For example, the T-Mobile telecom infrastructure includes nodes embodied as data
`centers and/or servers and compute resources associated with data centers located around the
`United States with which T-Mobile subscribers (e.g., the callers) are associated when connecting to
`the T-Mobile Network. Each data center, for example, may include one or more connections to
`other data centers in the T-Mobile Network, to cellular towers/hardware, to other wireless carriers
`and/or the PSTN, and/or to the Internet. Each data center includes one or more individual servers or
`clusters of servers in the T-Mobile telecom infrastructure running T-Mobile server software
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`Case 6:24-cv-00298-DC-DTG Document 1-6 Filed 05/30/24 Page 7 of 50
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`CHART A
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`applications that provide setup, routing, and delivery of non-real time (e.g., messages) and real time
`(e.g., voice and video calls) communication to and from T-Mobile subscriber devices. Each data
`center, for example, may be a node with multiple data centers forming a plurality of nodes with
`which callers and callees are associated. Additionally, an individual server and/or clusters of servers
`of a data center in the T-Mobile telecom infrastructure may form an individual node in a plurality of
`nodes with which callers and callees are associated.
`• Thus, in the T-Mobile Network, the callers are associated with one or more nodes when connected
`to the T-Mobile Network and particularly via the communications from the callers that are handled
`by the T-Mobile’s towers (for VoLTE calls) and/or the T-Mobile’s ePDGs (for VoWiFi calls)
`associated with the particular data center when the callers send messages and/or make IP-based
`calls.
`
`In the T-Mobile Network, for example, routing communications between a caller and a callee is performed
`when the T-Mobile telecom infrastructure owned and operated by T-Mobile alone or in conjunction with
`the T-Mobile UE classifies a call between a caller and a callee as a public network call when public
`network classification criteria is met and classifying the call as a private network call when private network
`classification criteria is met, as described in the ‘005 Patent and defined in claim 50, literally and/or using
`the doctrine of equivalents.
`
`The T-Mobile Network alone or in conjunction with the T-Mobile UE includes means for using a caller
`identifier associated with the caller to locate a caller dialing profile comprising a plurality of calling
`attributes associated with the caller.
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`Page 6
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`[50a] means for using a caller
`identifier associated with the caller to
`locate a caller dialing profile
`comprising a plurality of calling
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`Case 6:24-cv-00298-DC-DTG Document 1-6 Filed 05/30/24 Page 8 of 50
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`attributes associated with the caller;
`and
`
`CHART A
`
`In the T-Mobile Network, the calling subscriber interacts with one or more features or applications
`associated with the T-Mobile UE to initiate a communication, such as a text, SMS, or audio/video call. The
`calling subscriber uses the T-Mobile UE having the T-Mobile hardware, firmware, configuration data,
`operating systems, and/or client software applications, which is required by the T-Mobile to connect to the
`T-Mobile Network, to communicate (or cause to be communicated) with the T-Mobile Network. The T-
`Mobile subscriber may initiate a voice or video call and/or text message (e.g., SMS message) or
`multimedia message (e.g., an MMS message), by communicating (or causing to be communicated) one or
`more parts, portions, and/or combinations of information associated with the call and/or text message by
`directly and/or indirectly selecting a callee using a contact list stored on or accessible online through the T-
`Mobile UE. The calling subscriber can select the callee using one or more fields in a contact card, such as
`the callee’s name. See, e.g., https://www.t-mobile.com/support/tutorials/device/t-mobile/revvl-
`5g/topic/calling-amp-contacts/ and https://www.t-mobile.com/support/public-files/attachments/t-mobile-
`revvl-v-plus-5g/T-Mobile-REVVL-V-Plus-5G-User-Guide-English.pdf, section 4.1.
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`CHART A
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`
`
`
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`
`
`
`The calling subscriber may initiate a communication by directly and/or indirectly selecting a callee using a
`directory information source stored on or accessible online through the T-Mobile UE. The T-Mobile
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`Case 6:24-cv-00298-DC-DTG Document 1-6 Filed 05/30/24 Page 10 of 50
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`CHART A
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`calling subscriber can select the callee using one or more fields in directory listing, such as the callee’s
`name. The calling subscriber may initiate a communication by directly and/or indirectly selecting a callee
`using speed dials stored on or accessible online through the T-Mobile UE. The calling subscriber can select
`the callee using one or more speed dial options in a speed dial list, such as a one or two digit number
`associated with the callee or a favorite icon associated with the callee. See, e.g., https://www.t-
`mobile.com/support/public-files/attachments/t-mobile-revvl-v-plus-5g/T-Mobile-REVVL-V-Plus-5G-
`User-Guide-English.pdf, section 4.1.
`
`In the T-Mobile Network, for example in response to initiation of a call by a T-Mobile calling subscriber,
`the T-Mobile telecom infrastructure in conjunction with the T-Mobile UE uses the T-Mobile server
`software applications and/or software running on the T-Mobile UE to receive a caller identifier and a callee
`identifier when a the T-Mobile calling subscriber (e.g., a callee) uses the T-Mobile UE, which is required
`by T-Mobile to connect to the T-Mobile network with the T-Mobile hardware, firmware, configuration
`data, and/or client software application, to communicate (or cause to be communicated) with the T-Mobile
`network. T-Mobile telecom infrastructure in conjunction with the T-Mobile UE receives the caller
`identifier and the callee identifier when the T-Mobile UE initiates a call, such as a voice or video call
`and/or text message (e.g., SMS message) or multimedia message (e.g., an MMS message), by
`communicating (or causing to be communicated) one or more parts, portions, and/or combinations of
`information associated with the call to the T-Mobile telecom infrastructure and/or to software running on
`the T-Mobile UE. In the T-Mobile Network, the caller dialing profile can include calling attributes stored
`on the T-Mobile UE as a contact list or speed dial list.
`
`In the T-Mobile Network, the T-Mobile telecom infrastructure in conjunction with the T-Mobile UE uses
`the T-Mobile server software applications and/or software running on the T-Mobile UE to receive a caller
`
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`Case 6:24-cv-00298-DC-DTG Document 1-6 Filed 05/30/24 Page 11 of 50
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`CHART A
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`identifier and/or a callee identifier when the T-Mobile calling subscriber (e.g., a callee) uses the T-Mobile
`UE to activate an application which has been personalized with caller information. For example, opening a
`dialing application on a smartphone can obtain caller information from settings registered by the subscriber
`on the smart phone and the T-Mobile UE receives the caller identifier and the callee identifier when the T-
`Mobile UE initiates a communication, such as a voice or video call and/or text message.
`
`In the T-Mobile Network, for example, the caller identifier includes any information that identifies a caller
`(e.g., the calling subscriber). The T-Mobile telecom infrastructure and/or software running on the T-Mobile
`UE can obtain the caller identifier as a username, telephone number, and/or device identifier associated
`with the T-Mobile calling subscriber. The T-Mobile telecom infrastructure can also obtain caller identifier
`from information associated with the T-Mobile calling subscriber that is stored in one or more T-Mobile
`databases in the T-Mobile network, such as profile information databases, billing information databases,
`authentication information database, and logging/accounting information databases. For example, the T-
`Mobile telecom infrastructure includes a Home Subscriber Server (HSS) as a master user database that
`supports IMS network entities that handle calls and sessions.
`
`In the T-Mobile Network, for example, the callee identifier includes any information that identifies a
`callee. The callee can be an individual callee, a group of callees, a single device, and/or multiple devices.
`Specifically, the T-Mobile telecom infrastructure in conjunction with the T-Mobile UE may obtain the
`callee identifier from the calling subscriber, such as the results of selecting one or more fields of a contact
`card using a contact list, one or more fields of a directory listing using a directory information source,
`and/or a contact’s speed dial. The T-Mobile telecom infrastructure also may obtain callee identifier from
`information stored in one or more T-Mobile databases in the T-Mobile network.
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`Case 6:24-cv-00298-DC-DTG Document 1-6 Filed 05/30/24 Page 12 of 50
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`CHART A
`
`In the T-Mobile Network, the T-Mobile telecom infrastructure use the T-Mobile server software
`applications to obtain (or cause to be obtained) a participant profile, such as a caller dialing profile. The T-
`Mobile telecom infrastructure, for example, locates the caller dialing profile in the above referenced T-
`Mobile databases using the caller identifier. The caller dialing profile includes any set of information
`having a username associated with the caller and a plurality of participant or calling attributes associated
`with the caller. In the T-Mobile Network, the caller dialing profile can include calling attributes provided
`by the T-Mobile calling subscriber to the T-Mobile UE and/or to the T-Mobile databases. In the T-Mobile
`Network, the caller dialing profile can include calling attributes stored in the T-Mobile databases and
`determined and/or derived by T-Mobile for the T-Mobile calling subscriber.
`
`In the T-Mobile Network, a participant or calling attribute can include any information associated with the
`participant or caller related to sending/receiving IP-based messages and/or making/receiving IP-based
`calls. In the T-Mobile Network, for example, a calling attribute can include a contact list, a speed dial list,
`or other information that associates names and/or numbers with callees. See https://www.t-
`mobile.com/support/public-files/attachments/t-mobile-revvl-v-plus-5g/T-Mobile-REVVL-V-Plus-5G-
`User-Guide-English.pdf
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`Case 6:24-cv-00298-DC-DTG Document 1-6 Filed 05/30/24 Page 13 of 50
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`CHART A
`
`
`[50b] means for, when at least one of
`said calling attributes and at least a
`portion of a callee identifier
`associated with the callee meet
`private network classification
`criteria, producing a private network
`routing message for receipt by a call
`controller, said private network
`routing message identifying an
`address, on the private network,
`associated with the callee; and
`
`
`
`
`The T-Mobile Network performs includes means for, when at least one of said calling attributes and at
`least a portion of a callee identifier associated with the callee meet private network classification criteria,
`producing a private network routing message for receipt by a call controller, said private network routing
`message identifying an address, on the private network, associated with the callee.
`
`
`In the T-Mobile Network, the T-Mobile telecom infrastructure use the T-Mobile server software
`applications to produce a first or private network routing message for receipt by a call controller when at
`least one of the calling attributes and at least a portion of a callee identifier associated with the callee meet
`a first or private network classification criterion. In the T-Mobile Network, the T-Mobile telecom
`infrastructure use the T-Mobile server software applications to produce (or cause to be produced) a private
`network routing message that identifies an address, on the private network, through which the call is to be
`routed. For how the address, on the private network, is associated with and to be routed to the callee see the
`discussion related to element [50p]. In the T-Mobile Network, for example, the T-Mobile telecom
`infrastructure keeps the call end-to-end on T-Mobile’s network between T-Mobile subscribers by
`configuring the call controller using the private network routing message with the address, on the private
`network, through which the call is to be routed within the T-Mobile Network to the callee.
`
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`Case 6:24-cv-00298-DC-DTG Document 1-6 Filed 05/30/24 Page 14 of 50
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`CHART A
`
`
`
`In the T-Mobile Network, the T-Mobile telecom infrastructure use the T-Mobile server software
`applications to determine (or cause to be determined) if at least one calling attribute and at least a portion
`of the callee identifier meet private network classification criteria. The T-Mobile telecom infrastructure, for
`example, determines if the callee is also a T-Mobile subscriber.
`
`In the T-Mobile Network, the T-Mobile telecom infrastructure use the T-Mobile server software
`applications to classify the call as a private network call when private network classification criteria is met.
`In the T-Mobile Network, for example, the T-Mobile telecom infrastructure classifies (or causes to be
`classified) the call as a private network call when:
`• Private network classification criteria is met to indicate that the call to the callee is to be routing
`within the T-Mobile network because the callee is also a T-Mobile subscriber.
`
`
`The T-Mobile Network includes means for, when at least one of said calling attributes and at least a portion
`of said callee identifier meet a public network classification criterion, producing a public network routing
`message for receipt by the call controller, said public network routing message identifying a gateway to the
`public network.
`
`In the T-Mobile Network, the T-Mobile telecom infrastructure use the T-Mobile server software
`applications to produce a second or public network routing message for receipt by a call controller when at
`least one of the calling attributes and the portion of the callee identifier associated with the callee meet a
`second or public network classification criterion. In the T-Mobile Network, the T-Mobile telecom
`infrastructure use the T-Mobile server software applications to produce a public network routing message
`that identifies a gateway to the public network. In the T-Mobile Network, for example, the T-Mobile
`
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`Page 13
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`[50c] means for, when at least one of
`said calling attributes and at least a
`portion of said callee identifier meet
`a public network classification
`criterion, producing a public network
`routing message for receipt by the
`call controller, said public network
`routing message identifying a
`gateway to the public network.
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`Case 6:24-cv-00298-DC-DTG Document 1-6 Filed 05/30/24 Page 15 of 50
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`CHART A
`
`telecom infrastructure cannot keep the call end-to-end on the T-Mobile Network and therefore routes the
`call off T-Mobile’s network to the callee by configuring the call controller using the public network routing
`message identifying a gateway to the PSTN, another wireless carrier, or a VoIP service provider that routes
`messages/calls to the callee.
`
`In the T-Mobile Network, the T-Mobile telecom infrastructure use the T-Mobile server software
`applications to classifying the call as a public network call when public network classification criteria is
`met. In the T-Mobile Network, for example, the T-Mobile telecom infrastructure classifies (or causes to be
`classified) the call as a public network call when:
`• Public network classification criteria is met to indicate that the call to the callee is to be routed to a
`public network because the callee is not a T-Mobile subscriber.
`
`
`The T-Mobile Network includes the apparatus as described in claim 50 upon which claim 57 depends.
`
`The T-Mobile Network includes means for accessing a database of direct inward dial records each
`associating at least one direct inward dial number with at least one subscriber to said communication
`system.
`
`In the T-Mobile Network, the T-Mobile telecom infrastructure use the T-Mobile server software
`applications to access direct inward dial records in a database (e.g., one or more of the T-Mobile databases
`identified in element [50a]) that associate a direct inward dial (DID) number (e.g., a public telephone
`number) with a subscriber.
`
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`Page 14
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`57.
`[57p] The apparatus of claim
`50, further comprising
`
`[57a] means for accessing a database
`of direct inward dial records each
`associating at least one direct inward
`dial number with at least one
`subscriber to said communication
`system.
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`Case 6:24-cv-00298-DC-DTG Document 1-6 Filed 05/30/24 Page 16 of 50
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`CHART A
`
`In the T-Mobile Network, the direct inward dial records accessed in the database are used to clarify the
`private network classification criterion and public network classification criterion in elements [50b] and
`[50c]). Specifically, in the T-Mobile Network, the T-Mobile telecom infrastructure use the T-Mobile server
`software applications to classify the call as a private network call if a DID bank table record is found in one
`or more of the T-Mobile databases. In the T-Mobile Network, for example, the T-Mobile telecom
`infrastructure can keep the call end-to-end on the T-Mobile Network when a public telephone number
`associated with the callee identifies another T-Mobile subscriber reachable on the T-Mobile Network.
`
`In the T-Mobile Network, the T-Mobile telecom infrastructure use the T-Mobile server software
`applications to classify the call as a public network call if the DID bank table record is not found in one or
`more of the T-Mobile databases. In the T-Mobile Network, for example, T-Mobile telecom infrastructure
`ensure that the call is routed off the T-Mobile Network, such as to the appropriate gateway to the PSTN,
`another wireless carrier, or a VoIP service provider that route messages/calls to the callee, when the callee
`is not another T-Mobile subscriber reachable on the T-Mobile Network.
`
`
`U.S. Patent No. 9,179,005
`The T-Mobile Network alone or in conjunction with the T-Mobile UE performs a method of routing
`communications in a packet switched network in which a first participant identifier is associated with a
`first participant and a second participant identifier is associated with a second participant in a
`communication.
`
`In the T-Mobile Network, for example, routing communications between a first and second participant as
`described in the ‘005 Patent and defined in the process of claim 74 is performed, literally and/or using the
`
`
`
`Page 15
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`
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`74.
`[74p] A method of routing
`communications in a packet switched
`network in which a first participant
`identifier is associated with a first
`participant and a second participant
`identifier is associated with a second
`
`

`

`Case 6:24-cv-00298-DC-DTG Document 1-6 Filed 05/30/24 Page 17 of 50
`
`participant in a communication, the
`method comprising:
`
`CHART A
`
`doctrine of equivalents, by the T-Mobile telecom infrastructure and the T-Mobile UE which includes the
`specific products and/or services as described in the Introduction and further identified as follows.
`• The T-Mobile Network alone or in conjunction with the T-Mobile UE includes one or more call
`routing controllers that facilitate communication between callers and callee