Case 5:21-cv-09773-EJD Document 20-7 Filed 01/07/22 Page 1 of 62
`Case 5:21-cv-09773-EJD Document 20-7 Filed 01/07/22 Page 1 of 62
`
`EXHIBIT 6
`EXHIBIT 6
`
`

`

`( 12 ) United States Patent
`Björsell et al .
`
`US 10,880,721 B2
`( 10 ) Patent No .:
`( 45 ) Date of Patent :
`Dec. 29 , 2020
`
`US010880721B2
`
`( 54 ) MOBILE GATEWAY
`Applicant : VOIP-PAL.COM , INC . , Bellevue , WA
`( 71 )
`( US )
`( 72 ) Inventors : Johan Emil Viktor Björsell , Vancouver
`( CA ) ; Maksym Sobolyev , Westminster
`( CA ) ; Pentti Kalevi Huttunen ,
`Vancouver ( CA ) ; Emil Malak ,
`Vancouver ( CA )
`( 73 ) Assignee : VoIP-Pal.com , Inc. , Bellevue , WA ( US )
`Subject to any disclaimer , the term of this
`( * ) Notice :
`patent is extended or adjusted under 35
`U.S.C. 154 ( b ) by 504 days .
`( 21 ) Appl . No .: 14 / 035,806
`Sep. 24 , 2013
`( 22 ) Filed :
`( 65 )
`Prior Publication Data
`US 2014/0024367 A1
`Jan. 23 , 2014
`Related U.S. Application Data
`Continuation of application No. 13 / 056,277 , filed as
`application No. PCT / CA2009 / 001062 on Jul . 28 ,
`2009 , now Pat . No. 8,630,234 .
`( Continued )
`
`( 63 )
`
`( 51 ) Int . Ci .
`H04W 8/02
`H04W 76/11
`H04W 76/15
`( 52 ) U.S. CI .
`CPC
`
`( 2009.01 )
`( 2018.01 )
`( 2018.01 )
`
`( 58 )
`
`H04W 8/02 ( 2013.01 ) ; H04W 76/11
`( 2018.02 ) ; H04W 76/15 ( 2018.02 )
`Field of Classification Search
`CPC .... H04W 76/021 ; H04W 76/025 ; H04W 8/02
`See application file for complete search history .
`
`( 56 )
`
`References Cited
`U.S. PATENT DOCUMENTS
`
`4,661,974 A
`4,747,124 A
`
`4/1987 Bales et al .
`5/1988 Ladd
`( Continued )
`FOREIGN PATENT DOCUMENTS
`
`BR
`BR
`
`PI 0718312-7 A2 11/2013
`PI 0719682-2 A2
`1/2014
`( Continued )
`
`OTHER PUBLICATIONS
`ETSI TS 122 173 V12.7.0 ( Oct. 2014 ) Digital cellular telecommu
`nications system ( Phase 2+ ) ; Technical Specification 8.2.2.3
`Interoperability with PSTN / ISDN and mobile CS Networks , Con
`tents and Forward , pp . 1-9 ; Sec . 8 , pp . 14-17 .
`( Continued )
`Primary Examiner Andrew Lai
`Assistant Examiner -
`M Mostazir Rahman
`( 74 ) Attorney , Agent , or Firm — Thorpe North &
`Western , LLP .
`( 57 )
`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 mes
`sage , 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 .
`141 Claims , 17 Drawing Sheets
`
`Non - voice
`Network
`16
`
`Access
`Server
`14
`
`RC
`30
`
`First Node
`11
`
`HS Data Link
`17
`
`-10
`
`CC
`13
`
`Second Node
`21
`
`Case 5:21-cv-09773-EJD Document 20-7 Filed 01/07/22 Page 2 of 62
`
`1
`
`12
`
`Mobile Telephone
`Network
`15
`
`Database
`23
`
`VM
`19
`
`MR
`28
`
`1-604-345-1212
`1-604-345-2323
`1-604-345-3434
`
`20
`
`22
`T1
`Multiplexer
`25
`24
`
`! T1
`i Line
`27
`
`1
`
`Gateway
`18
`
`IP Network
`26
`
`Gateway
`34
`
`PSTN Network
`29
`
`36
`
`32
`
`

`

`US 10,880,721 B2
`Page 2
`
`Related U.S. Application Data
`( 60 ) Provisional application No. 61 / 129,898 , filed on Jul .
`28 , 2008 .
`
`( 56 )
`
`Case 5:21-cv-09773-EJD Document 20-7 Filed 01/07/22 Page 3 of 62
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`WO 2007/087077 A2
`WO 2007/087077 A3
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`WO 2008/064481 A1
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`WO 2008/116296 A1
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`WO 2008/151406 A1
`WO 2008/151406 A8
`WO 2009/070202 A1
`WO 2009/070278 A1
`W00200902627
`WO 2010/012090 A2
`WO 2011/000405 A1
`WO 2011/032256 A1
`WO 2013/013189 A2
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`WO 2014/066155 A2
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`US 10,880,721 B2
`Page 7
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`( 56 )
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