`Case 6:20-cv-00272-ADA Document 89-5 Filed 03/10/23 Page 1 of 63
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`EXHIBIT 4
`EXHIBIT 4
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`Case 6:20-cv-00272-ADA Document 89-5 Filed 03/10/23 Page 2 of 63
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`I 1111111111111111 11111 lllll lllll 111111111111111 11111 11111 lll111111111111111
`US009179005B2
`
`c12) United States Patent
`Perreault et al.
`
`(IO) Patent No.:
`(45) Date of Patent:
`
`US 9,179,005 B2
`*Nov. 3, 2015
`
`(54) PRODUCING ROUTING MESSAGES FOR
`VOICE OVER IP COMMUNICATIONS
`(71) Applicant: DIGIFONICA (INTERNATIONAL)
`LIMITED, Vancouver (CA)
`Inventors: Clay Perreault, Panama (PA); Steve
`Nicholson, Hamilton (NZ); Rod
`Thomson, North Vancouver (CA);
`Johan Emil Viktor Bjiirsell, Vancouver
`(CA); Fuad Arafa, Vancouver (CA)
`Assignee: Digifonica (International) Limited,
`Vancouver (CA)
`Subject to any disclaimer, the term ofthis
`patent is extended or adjusted under 35
`U.S.C. 154(b) by 90 days.
`
`(72)
`
`(73)
`
`( *) Notice:
`
`This patent is subject to a terminal dis(cid:173)
`claimer.
`(21) Appl. No.: 13/966,096
`Aug. 13, 2013
`(22) Filed:
`Prior Publication Data
`(65)
`
`US 2013/0329722 Al
`
`Dec. 12, 2013
`
`Related U.S. Application Data
`
`(63) Continuation of application No. 12/513,147, filed as
`application No. PCT/CA2007/001956 on Nov. 1,
`2007, now Pat. No. 8,542,815.
`
`(60) Provisional application No. 60/856,212, filed on Nov.
`2, 2006.
`Int. Cl.
`H04M 15100
`H04L 9132
`
`(51)
`
`(2006.01)
`(2006.01)
`(Continued)
`
`(52) U.S. Cl.
`CPC ............. H04M 15151 (2013.01); H04L 913226
`(2013.01); H04L 12114 (2013.01);
`
`(Continued)
`
`(58) Field of Classification Search
`CPC ............. H04M 1/573; H04M 3/42059; H04Q
`3/0025; H04Q 2213/13091
`See application file for complete search history.
`
`(56)
`
`References Cited
`
`U.S. PATENT DOCUMENTS
`
`4,916,491 A
`4,992,971 A
`
`4/ 1990 Katoh
`2/1991 Hayashi
`(Continued)
`
`FOREIGN PATENT DOCUMENTS
`
`BR
`BR
`
`11/2013
`PI 0718312-7 A2
`1/2014
`PI 0719682-2 A2
`(Continued)
`OTHER PUBLICATIONS
`
`Extended European Search Report dated Dec. 20, 2013 for European
`Application No. 09849358.8 dated Jun. 18, 2012.
`(Continued)
`
`Primary Examiner - Simon Sing
`(74) Attorney, Agent, or Firm -Knobbe Martens Olson &
`BearLLP
`
`ABSTRACT
`(57)
`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 classifica(cid:173)
`tion 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.
`99 Claims, 32 Drawing Sheets
`
`I~~
`
`Routing
`Controller
`!RC)
`l!
`
`DB Re uest
`Database
`DB Respoose
`l!
`
`11
`
`,10
`
`m
`
`11
`110 Req
`
`
`···-···········i_:t _______________ _
`
`Call Controller
`LHR
`
`17
`To Other
`System
`Node
`
`.,1•····J, •• .,.-......
`l
`1
`\,
`)
`
`Telus
`Gateway
`
`Shaw
`Gateway
`
`20
`
`Sprint
`Gateway
`
`... ____ )···.,.•--·· m
`
`12
`
`London
`
`192.168.0.20 20011050 2222
`2001 1050 8667
`Calgary
`Vancouver
`
`
`
`Case 6:20-cv-00272-ADA Document 89-5 Filed 03/10/23 Page 3 of 63
`
`US 9,179,005 B2
`Page 2
`
`(51)
`
`(52)
`
`(2006.01)
`(2006.01)
`(2006.01)
`(2006.01)
`(2006.01)
`
`Int. Cl.
`H04L 12114
`H04L 12166
`H04Q3/66
`H04Q3/70
`H04M7/00
`U.S. Cl.
`CPC ....... H04L 1211439 (2013.01); H04L 1211496
`(2013.01); H04L 12166 (2013.01); H04M
`710075 (2013.01); H04M 15156 (2013.01);
`H04Q 3/66 (2013.01); H04Q 3170 (2013.01);
`H04Q 2213/1322 (2013.01); H04Q 2213/13091
`(2013.01); H04Q 2213/13141 (2013.01); H04Q
`2213/13196 (2013.01); H04Q 2213/13384
`(2013.01)
`
`(56)
`
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`Case 6:20-cv-00272-ADA Document 89-5 Filed 03/10/23 Page 4 of 63
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`US 9,179,005 B2
`Page 3
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