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`PATENT
`September 25, 1996 .
`N0003fi002
`
`Sir:
`
`NEW APPLICATION TRANSMITTAL LETTER
`
`Transmitted herewith for filing is the Patent Application of
`1 _ 00 lnventor(s): Shane D. Mattaway, Glenn W. Hutton, and Craig B. Strickland a _a. I.
`'
`For: GRAPHIC USER INTERFACE FOR INTERNET TELEPHONY APPLICATION
`
`This application is a continuation-in-part of U.S. Patent Application Serial No.
`08/533,115, entitled, Point-to-Point Internet Protocol, by Glenn W. Hutton, filed
`September 25, 1995.
`
`Enclosed are the following papers required to obtain a filing date under 37 C.F.R.
`§1.53(b):
`
`...
`
`_l,]_ Sheets of Informal Drawings
`--.ruL Pages of Specification, Including Claims and Abstract
`_6_ Claims
`
`The following papers, if indicated by an X, are also enclosed:
`
`A Declaration and Power of Attorney
`An Assignment of the invention
`An Information-Disclosure Statement, Form PT0-1449 and a copy of each cited
`reference
`A Small-Entity Declaration
`_x_ A Certificate of Express Mailing, Express Mail Label No. EM316008331US
`
`FEE CALCULATION:
`6- 20 = 0 X $22.00 = $00.00
`Total Claims:
`Independent Claims: 1 - 3 = 0 X $78.00 = $00.00
`
`Basic Fee:
`
`$750.00
`
`l
`
`Samsung - Exhibit 1002 - Page 1
`
`

`
`', Total of Above Cal-ions:
`
`$750.00
`
`_lL A check in the amount of $750.00 is enclosed to cover the Filing Fee.
`
`__ A check in the amount of $40.00 is enclosed to cover the Recording Fee for
`the Assignment. A duplicate copy of this transmittal letter is enclosed.
`
`The Commissioner is hereby authorized to charge any fees under 37 C.F.R. §1.16
`and 1.17 that may be required by this paper or any paper filed in connection with this
`Patent Application, or credit any overpayment, to our Deposit Account No. 02-3038.
`
`Please address all communications and telephone calls to the undersigned.
`
`Respectfully submitted,
`
`~2?-~
`
`Reg. No. 33,518
`BOOKSTEIN & KUDIRKA, P.C.
`One Beacon Street
`Boston, MA 02108
`(617) 367-4600
`
`·.express Mail-mailing label number £Nl3160o2"32:>1 US
`
`CJ 1z~ fl b
`
`Date of Deposit
`
`I
`·d
`• .b .d
`I hereby certify that this paper or fee ts emg epo•ne
`with the United States Postal S~rvice "Express Mail Post
`Ollice to Addre•see" service under 37 CFR 1.10 on the
`dare iJtdicatcd above and is addressed ro: The Com•
`missioner of Patents aAd Trademarks, Washington.
`D.C. 20231.
`
`Samsung - Exhibit 1002 - Page 2
`
`

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`Samsung - Exhibit 1002 - Page 3
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`Samsung - Exhibit 1002 - Page 4
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`Samsung - Exhibit 1002 - Page 5
`
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`Samsung - Exhibit 1002 - Page 6
`
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`
`Samsung - Exhibit 1002 - Page 7
`
`

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`Samsung - Exhibit 1002 - Page 8
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`Samsung - Exhibit 1002 - Page 22
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`Samsung - Exhibit 1002 - Page 25
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`
`p:ace empty
`buffer on
`
`,,
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`
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`\
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`
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`
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`
`20:38
`
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`
`Samsung - Exhibit 1002 - Page 26
`
`

`
`•
`
`mic
`
`•
`
`Obtain msg !f.---.! Async read
`from "pool"
`from VVinSock
`····::··::·
`
`return
`
`return
`
`91C1Gl./8~
`
`Samsung - Exhibit 1002 - Page 27
`
`

`
`• 16
`
`•. !
`
`place msg buffer
`in MCI msg
`free ‘pool’
`
`""
`
`‘A . " "§'peaker
`
`I
`2058
`
`I
`
`91
`
`Samsung - Exhibit'1002 - Page 23,
`
`Samsung - Exhibit 1002 - Page 28
`
`

`
`•
`
`16
`
`2o70
`
`Zo76
`
`Cancel sa~ piing jjf··· -~
`from m1c
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`y
`
`'·=·=
`
`Samsung - Exhibit 1002 - Page 29
`
`

`
`•
`
`PATENT
`NOOOJ/7002
`
`Inventors: Shane D. Mattaway, Glenn W. Hutton, and Craig B. Strickland
`
`GRAPHIC USER INTERFACE FOR INTERNET TELEPHONY APPLICATION
`
`1
`
`Samsung - Exhibit 1002 - Page 30
`
`

`
`•
`
`PATENT
`NOOOJ/7002
`
`This application is a 90ntinuation-in-part of United States patent application serial
`l yf:r<-\&1'\\)
`number 08/533,115 entitled Point-to-Point Internet Protocol, by Glenn W. Hutton, filed
`"
`
`September 25, 1995, commonly assigned, the subject matter of which is inco~porated
`'1.
`
`herein by refer~nce.
`
`.
`To the extent that any matter contained herein is not already disclosed in the
`
`~
`
`above-identified parent applic*~!gi~~ation claims priority to United States
`~~b~~IS~~~
`provisional patent application"X0K4intitled Internet Telephony Apparatus and
`
`Method by Mattaway et al., filed September 4, 1996, and United States provisional
`G O/d :2..1/, {).s I
`patent application serial numbe~ XX!XXX,XXX. entitled System and Methods for Point-
`To-Point Communications Over a Computer Network, by Mattaway et al., filed August
`
`211 1996.
`
`In addition, this application is one of a number of related applications filed on an
`
`even date herewith and commonly assigned, the subject matters of which are
`incorporated herein by reference, including the f~ln !?'If
`U.S. Patent Application Serial No~
`x-x,~ntitled Directory Server
`For Providing Dynamically Assigned Network Protocol Addresses, by Mattaway
`fJi I 711 6~
`
`et al.;
`
`U.S. Patent Application Serial No1 xxmxx .• enlftled Point-to-point
`
`Computer Network Communication Utility Utilizing Dynamically Assigned
`
`Network Protocol Addresses, by Mattaway et al.;
`d f / 7 /f G. ¥ lJ
`.
`U.S. Patent Application Serial No. *XIXXX,XX-X:, entitled Method And
`A
`Apparatus For Dynamically Defining Data Communication Utilities, by
`
`Mattaway et al.;
`
`2
`
`Samsung - Exhibit 1002 - Page 31
`
`

`
`1• -;a-f . · PAT::It
`
`NOOOJ/7002
`
`.
`
`U.S.
`
`Apparatus Fo
`
`~~/721316
`t'Jf //jlffi/
`Serial No. ~entitled Method And
`A..
`And Presentation Of MultiiJledia Data Over A
`
`~ $ / 11 t f '!P
`Computer Network, by Mattaway et al.;
`U.S. Patent Application Serial No.~}()(,XXX, entitled Method And
`Apparatus For Providing Caller Identification Based Out-going Messages In A
`
`Computer Telephony Environment, by Matta~9Y et al.;
`<Jf/?lf. 91/
`U.S. Patent Application Serial No~X)(f)O(X,XXX, entitled Method And
`Apparatus For Providing Caller Identification Based Call Blocking In A Computer
`Telephony Environment, by Mattaway et al.; a:z ~ /_ ~
`"i 1/JJ ,3 L
`U.S. Patent Application Serial No1*'<1 X,)tXX, entitled Method And
`
`!
`
`.
`
`Apparatus For Providing Caller Identification Responses In A Computer
`
`Telephony Environment, by Mattaway et al.
`
`FIELD OF THE INVENTION
`
`The present invention relates, in general, to data processing systems, and more
`
`specifically, to a method and apparatus for facilitating audio communications over
`
`computer networks.
`
`BACKGROUND OF THE INVENTION
`
`The increased popularity of on-line services such as AMERICA ONLINE™,
`
`COMPUSERVE®, and other services such as Internet gateways have spurred
`
`applications to provide multimedia, including video and voice clips, to online users. An
`
`example of an online voice clip application is VOICE E-MAIL FOR WINCIM and VOICE
`
`E-MAIL FOR AMERICA ONLINE™, available from Bonzi Software, as described in
`
`"Simple Utilities Send Voice E-Mail Online", MULTIMEDIA WORLD, VOL. 2, NO. 9,
`
`3
`
`Samsung - Exhibit 1002 - Page 32
`
`

`
`•
`
`•
`
`PATENT
`NOOOJ/7002
`
`August 1995, p. 52. Using such Voice E-Mail software, a user may create an audio
`
`message to be sent to a predetermined E-mail address specified by the user.
`
`Generally, devices interfacing to the Internet and other online services may
`
`communicate with each other upon establishing respective device addresses. One
`
`type of device address is the Internet Protocol (IP) address, which acts as a pointer to
`
`the device associated with the IP address. A typical device may have a Serial Line
`
`Internet Protocol or Point-to-Point Protocol (SLIP/PPP) account with a permanent IP
`
`address for receiving E-mail, voicemail, and the like over the Internet. E-mail and
`
`voicemail is generally intended to convey text, audio, etc., with any routing information
`
`such as an IP address and routing headers generally being considered an artifact of the
`
`communication, or even gibberish to the recipient.
`
`Devices such as a host computer or server of a company may include multiple
`
`modems for connection of users to the Internet, with a temporary IP address allocated
`
`to each user. For example, the host computer may have a generaiiP address
`
`"XXX.XXX.XXX," and each user may be allocated a successive IP address of
`
`XXX.XXX.XXX.10, XXX.XXX.XXX.11, XXX.XXX.XXX.12, etc. Such temporary IP
`
`addresses may be reassigned or recycled to the users, for example, as each user is
`
`successively connected to an outside party. For example, a host computer of a
`
`company may support a maximum of 254 IP addresses which are pooled and shared
`
`between devices connected to the host computer.
`
`Permanent IP addresses of users and devices accessing the Internet readily
`
`support point-to-point communications of voice and video signals over the Internet. For
`
`example, real-time video teleconferencing has been implemented using dedicated IP
`
`addresses and mechanisms known as reflectors. Due to the dynamic nature of
`
`temporary IP addresses of some devices accessing the Internet, point-to-point
`
`communications in real-time of voice and video have been generally difficult to attain.
`
`4
`
`Samsung - Exhibit 1002 - Page 33
`
`

`
`" : I )
`
`•
`
`•
`
`PATENT
`NOOOJ/7002
`
`The ability to locate users having temporary or dynamically assigned Internet
`
`Protocol address has been difficult without the user manually initiating the
`
`communication. Accordingly, spontaneous, real-time communications with such users
`
`over computer networks have been impractical. Further, it is desirable to have a
`
`communication utility which contains familiar features and functions to current
`
`communication utility such as telephones and cellular telephones. It is even further
`
`desirable to utilize the current graphic user interface technology associated with
`
`computer software in a manner to achieve a more flexible interface to a such a
`
`communication utility, without the limitations associated with hardware.
`
`Accordingly, a need exists for a way to determine whether computer users are
`
`actively connected to a computer network.
`
`A further need exists for a way to obtain the dynamically assigned Internet
`
`Protocol address of a user having on-line status with respect to a computer network,
`
`particularly the Internet.
`
`An even further need exists for a method and apparatus by which to establish
`
`real-time, point-to-point communications over a computer network using a
`
`communication utility having an interface which combines the familiar aspects of current
`
`hardware communication utilities but which al~ows for the flexibility associated with
`
`graphic user interfaces.
`
`SUMMARY OF THE INVENTION
`
`The above deficiencies in the prior art and previously described needs are
`
`fulfilled by the present invention which provides a virtual communications utility
`
`displayable on computer system interfaces which enables real-time, point-to-point
`
`communications over computer networks. According to one embodiment of the present
`
`invention, a computer program product for use with a computer system having a display
`
`5
`
`Samsung - Exhibit 1002 - Page 34
`
`

`
`•
`
`•
`
`PATENT
`NOOOJ/7002
`
`and an audio transducer comprises a computer usable medium having computer
`
`readable code means embodied therein comprising program code means for
`
`generating a user interface, program code means responsive to user input commands
`
`for establishing a point-to-point communication link with another computer over a
`
`network and program code means responsive to audio data from the audio transducer
`
`for transmitting the audio data over the communication link.
`
`According to another embodiment of the present invention, a computer program
`
`product for use with a computer system comprises a computer usable medium having
`
`computer readable program code means embodied thereon comprising code means for
`
`transmitting from a client process to a server a query as to whether a second client
`
`process is connected to the computer network, program code means for receiving the
`
`network protocol address of the second process from the server, and program code
`
`means responsive to the network protocol address of the second client process for
`
`establishing a point-to-point communication link between the first client process and the
`
`second client process.
`
`BRIEF DESCRIPTION OF THE DRAWINGS
`
`The features of the invention will become more readily apparent and may be
`
`better understood by referring to the following detailed description of an illustrative
`
`embodiment of the present invention, taken in conjunction with the accompanying
`
`drawings, in which:
`
`Fig. 1 illustrates, in block diagram format, a system for the disclosed point-to(cid:173)
`
`point Internet protocol;
`
`Fig. 2 illustrates, in block diagram format, the system using a secondary point-to(cid:173)
`
`point Internet protocol;
`
`6
`
`Samsung - Exhibit 1002 - Page 35
`
`

`
`•
`
`•
`
`PATENT
`N0003/7002
`
`Fig. 3 illustrates, in block diagram format, the system of FIGS. 1-2 with the point(cid:173)
`
`to-point Internet protocol established;
`
`Fig. 4 is another block diagram of the system of FIGS 1-2 with audio
`
`communications being conducted;
`
`Fig. 5 illustrates a display screen for a processing unit;
`
`Fig. 6 illustrates another display screen for a processing unit;
`
`Fig. 7 illustrates a flowchart of the initiation of the point-to-point Internet
`
`protocols;
`
`Fig. 8 illustrates a flowchart of the performance of the primary point-to-point
`
`Internet protocols;
`
`Fig. 9 illustrates a flowchart of the performance of the secondary point-to-point
`
`Internet protocol;
`
`Fig. 10 illustrates schematically a computer network over which the present
`
`invention may be utilized;
`
`Fig. 11 is a block diagram of a computer system suitable for use with the
`
`present invention;
`
`Fig. 12 is a block diagram of an audio processing card suitable for use with the
`
`computer system of FIG. 1 0;
`
`Fig. 13 A-B are schematic block diagrams of the elements comprising the
`
`inventive computer network telephony mechanism of the present invention;
`
`Fig. 14 is a screen capture illustrating an exemplary user interface of the present
`
`invention;
`
`Fig. 15 is a schematic diagram illustrating the architecture of the connection
`
`server apparatus suitable for use with the present invention;
`
`Fig. 16A is a flowchart illustrating the process steps performed by the connection
`
`server in accordance with the present invention;
`
`7
`
`Samsung - Exhibit 1002 - Page 36
`
`

`
`•
`
`•
`
`PATENT
`N0003/7002
`
`Fig. 168 is a flowchart illustrating the process steps performed in accordance
`
`with the information server of the present invention;
`
`Figs. 17 A-B are schematic block diagrams illustrating of the packet transfer
`
`sequence in accordance with the communication protocol of the present invention;
`
`Fig. 18A-D are conceptual block diagrams illustrating user interface and graphic
`
`user interface objects utilized by the communication utility of the present invention;
`
`Fig. 19A-C are conceptual block diagrams illustrating the event manager and
`
`media engine objects utilized by the communication utility of the present invention;
`
`and
`
`Figs. 20A-D illustrate process steps performed by the media engine function of
`
`the communication utility in accordance with the present invention.
`
`DETAILED DESCRIPTION
`
`Referring now in specific detail to the drawings, with like reference numerals
`
`identifying similar or identical elements, as shown in FIG. 1, the present disclosure
`
`describes a point-to-point network protocol and system 10 for using such a protocol.
`
`In an exemplary embodiment, the system 10 includes a first processing unit 12
`
`for sending at least a voice signal from a first user to a second user. The first
`
`processing unit 12 includes a processor 14, a memory 16, an input device 18, and an
`
`output device 20. The output device 20 includes at least one modem capable of, for
`
`example, 14.4 Kilobit-per-second communications and operatively connected via wired
`
`and/or wireless communication connections to the Internet or other computer networks
`
`such as an Intranet, i.e., a private computer network. One skilled in the art would
`
`understand that the input device 18 may be implemented at least in part by the modem
`
`of the output device 20 to allow input signals from the communication connections to be
`
`received. The second processing unit 22 may have a processor, memory, and input
`
`8
`
`Samsung - Exhibit 1002 - Page 37
`
`

`
`•
`
`•
`
`PATENT
`NOOOJ/7002
`
`and output devices, including at least one modem and associated communication
`
`connections, as described above for the first processing unit 12. In an exemplary
`
`embodiment, each of the processing units 12, 22 may execute the WEBPHONE®
`
`Internet telephony application available from NetSpeak Corporation, Boca Raton, FL,
`
`which is capable of performing the disclosed point-to-point Internet protocol and system
`
`10, as described herein.
`
`The first processing unit 12 and the second processing unit 22 are operatively
`
`connected to the Internet 24 by communication devices and software known in the art,
`
`such as an Internet Service Provider (ISP) or an Internet gateway. The processing
`
`units 12, 22 may be operatively interconnected through the Internet 24 to a connection
`
`server 26, and may also be operatively connected to a mail server 28 associated with
`
`the Internet 24.
`
`The connection server 26 includes a processor 30, a timer 32 for generating time
`
`stamps, and a memory such as a database 34 for storing, for example, E-mail and
`
`Internet Protocol (IP) addresses of logged-in units. In an exemplary embodiment, the
`
`connection server 26 may be a SPARC 5 server or a SPARC 20 server, available from
`
`SUN MICROSYSTEMS, INC., Mountain View, CA, having a central processing unit
`
`(CPU) as processor 30, an operating system (OS) such as UNIX, for providing timing
`
`operations such as maintaining the timer 32, a hard drive or fixed drive, as well as
`
`dynamic random access memory (DRAM) for storing the database 34, and a keyboard
`
`and display and/or other input and output devices (not shown in FIG. 1 ). The database
`
`34 may be an SQL database available from ORACLE or INFORM IX.
`
`In an exemplary embodiment, the mail server 28 may be implemented with a
`
`Post Office Protocol (POP) Version 3 mail server and the Simple Mail Transfer Protocol
`
`(SMTP), including a processor, memory, and stored programs operating in a UNIX
`
`9
`
`Samsung - Exhibit 1002 - Page 38
`
`

`
`•
`
`•
`
`PATENT
`N0003/7002
`
`environment, or, alternatively, another OS, to process E-mail capabilities between
`
`processing units and devices over the Internet 24.
`
`In the illustrative embodiment, the POP protocol is utilized to retrieve E-mail
`
`messages from mail server 28 while the SMTP protocol is used to submit E-mail
`
`message to Internet 24.
`
`The first processing unit 12 may operate the disclosed point-to-point Internet
`
`protocol by a computer program described hereinbelow in conjunction with FIG. 6,
`
`which may be implemented from compiled and /or interpreted source code in the C++
`
`programming language and which may be downloaded to the first processing unit 12
`
`from an external computer. The operating computer program may be stored in the
`
`memory 16, which may include about 8MB RAM and/or a hard or fixed drive having
`
`about 8MB of available memory. Alternatively, the source code may be implemented
`
`in the first processing unit 12 as firmware, as an erasable read only memory (EPROM),
`
`etc. It is understood that one skilled in the art would be able to use programming
`
`languages other than C++ to implement the disclosed point-to-point network protocol
`
`and system 10.
`
`The processor 14 receives input commands and data from a first user associated
`
`with the first processing unit 12 though the input device 18, which may be an input port
`
`connected by a wired, optical, or a wireless connection for electromagnetic
`
`transmissions, or alternatively may be transferable storage media, such as floppy disks,
`
`magnetic tapes, compact disks, or other storage media including the input data from the
`
`first user.
`
`The input device 18 may include a user interface (not shown) having, for
`
`example, at least one button actuated by the user to input commands to select from a
`
`plurality of operating modes to operate the first processing unit 12. In alternative
`
`embodiments, the input device 18 may include a keyboard, a mouse, a touch screen,
`
`10
`
`Samsung - Exhibit 1002 - Page 39
`
`

`
`•
`
`•
`
`PATENT
`N0003/7002
`
`and/or a data reading device such as a disk drive for receiving the input data from input
`
`data files stored in storage media such as a floppy disk or, for example, an 8 mm
`
`storage tape. The input device 18 may alternatively include connections to other
`
`computer systems to receive the input commands and data therefrom.
`
`The first processing unit 12 may include a visual interface for use in conjunction
`
`with the input device 18 and output device 20 similar to those screens illustrated in
`
`FIGS. 5-6, discussed below. It is also understood that alternative devices may be used
`
`to receive commands and data from the user, such as keyboards, mouse devices, and
`
`graphical user interfaces (GUI) such as WINDOWS™ 3.1 available form MICROSOFT
`
`Corporation, Redmond, WA., and other operating systems and GUis, such as OS/2 and
`
`OS/2 WARP, available from IBM CORPORATION, Boca Raton, FL. Processing unit 12
`
`may also include microphones and/or telephone handsets for receiving audio voice
`
`data and commands, speech or voice recognition devices, dual tone multi-frequency
`
`(DTMF) based devices, and/or software known in the art to accept voice data and
`
`commands and to operate the first processing unit 12.
`
`In addition, either of the first processing unit 12 and the second processing unit
`
`22 may be implemented in a personal digital assistant (PDA) providing modem and E(cid:173)
`
`mail capabilities and Internet access, with the PDA providing the input/output screens
`
`for mouse interactions or for touchscreen activation as shown, for example, in FIGS. 5-
`
`6, as a combination of the input device 18 and output device 20.
`
`For clarity of explanation, the illustrative embodiment of the disclosed point-to(cid:173)
`
`point Internet protocol and system 10 is presented as having individual functional
`
`blocks, which may include functional blocks labeled as "processor" and "processing
`
`unit". The functions represented by these blocks may be provided through the use of
`
`either shared or dedicated hardware, including, but not limited to, hardware capable of
`
`executing software. For example, the functions of each of the processors and
`
`11
`
`Samsung - Exhibit 1002 - Page 40
`
`

`
`..
`
`•
`
`•
`
`PATENT
`NOOOJ/7002
`
`processing units presented herein may be provided by a shared processor or by a
`
`plurality of individual processors. Moreover, the use of the functional blocks with
`
`accompanying labels herein is not to be construed to refer exclusively to hardware
`
`capable of executing software. Illustrative embodiments may include digital signal
`
`processor (DSP) hardware, such as the AT&T DSP16 or DSP32C, read-only memory
`
`(ROM) for storing software performing the operations discussed below, and random
`
`access memory (RAM) for storing DSP results. Very large scale integration (VLSI)
`
`hardware embodiments, as well as custom VLSI circuitry in combination with a general
`
`purpose DSP circuit, may also be provided. Any and all of these embodiments may be
`
`deemed to fall within the meaning of the labels for the functional blocks as used herein.
`
`The processing units 12, 22 are capable of placing calls and connecting to other
`
`processing units connected to the Internet 24, for example, via dialup SLIP/PPP lines.
`
`In an exemplary embodiment, each processing unit assigns an unsigned long session
`
`number, for example, a 32-bit long sequence in a *.ini file for each call. Each call may
`
`be assigned a successive session number in sequence, whi