(12) United States Patent
`Sidhu et al.
`
`(54) SYSTEM AND METHOD FOR PROVIDING
`USER-CONFIGURED TELEPHONE SERVICE
`IN A DATA NETWORK TELEPHONY
`SYSTEM
`
`(75)
`
`Inventors: Ikhlaq S. Sidhu, Vernon Hills, IL (US);
`Guido M. Schuster, Des Plaines, IL
`(US); Frederick D. Dean, Chicago, IL
`(US); Andrew Bezaitis, Chicago, IL
`(US)
`
`(73) Assignee: 3Com Corporation, Santa Clara, CA
`(US)
`
`( *) Notice:
`
`Subject to any disclaimer, the term of this
`patent is extended or adjusted under 35
`U.S.C. 154(b) by O days.
`
`(21) Appl. No.: 09/405,283
`
`(22) Filed:
`
`Sep. 27, 1999
`
`Int. Cl.7 ................................................ H04L 12/56
`(51)
`(52) U.S. Cl. ........................................ 370/356; 370/389
`(58) Field of Search ................................. 370/260-263,
`370/352-358, 389; 709/200, 217, 218, 219,
`223, 227-229
`
`(56)
`
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`US006744759Bl
`
`(10) Patent No.:
`(45) Date of Patent:
`
`US 6,744,759 Bl
`Jun.1,2004
`
`EP
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`Primary Examiner-Salvatore Cangialosi
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`Hulbert & Berghoff LLP
`
`(57)
`
`ABSTRACT
`
`A system and method for providing user-configured tele(cid:173)
`phone service to a user of a data network telephone. The user
`connects a data network telephone to the data network. The
`data network telephone registers with a telephone connec(cid:173)
`tion server to have basic calling service. The user accesses
`a service provider server to enter feature selections. The
`service provider server may use a web page to query the user
`for feature selections The service provider server uses the
`user's selections to update the user's account and to activate
`the selected features.
`
`DE
`
`198 13 179 Al
`
`9/1999
`
`10 Claims, 14 Drawing Sheets
`
`218a
`
`MerdiantTelephone
`
`YMAX CORPORATION v. FOCAL IP, LLC
`FOCAL IP, LLC EX2058 - 1
`U.S. Patent No. 6,744,759
`IPR2016-01258
`
`

`

`US 6,744,759 Bl
`Page 2
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`
`YMAX CORPORATION v. FOCAL IP, LLC
`FOCAL IP, LLC EX2058 - 2
`U.S. Patent No. 6,744,759
`IPR2016-01258
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`

`US 6,744,759 Bl
`Page 3
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`
`* cited by examiner
`
`YMAX CORPORATION v. FOCAL IP, LLC
`FOCAL IP, LLC EX2058 - 3
`U.S. Patent No. 6,744,759
`IPR2016-01258
`
`

`

`U.S. Patent
`
`Jun.1, 2004
`
`Sheet 1 of 14
`
`US 6,744,759 Bl
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`YMAX CORPORATION v. FOCAL IP, LLC
`FOCAL IP, LLC EX2058 - 4
`U.S. Patent No. 6,744,759
`IPR2016-01258
`
`

`

`224
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`
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`
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`
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`YMAX CORPORATION v. FOCAL IP, LLC
`FOCAL IP, LLC EX2058 - 5
`U.S. Patent No. 6,744,759
`IPR2016-01258
`
`

`

`MEMORY
`
`242
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`YMAX CORPORATION v. FOCAL IP, LLC
`FOCAL IP, LLC EX2058 - 6
`U.S. Patent No. 6,744,759
`IPR2016-01258
`
`

`

`FIG. 3A
`
`160
`
`service provider host
`(e.g. ISP)
`
`122
`
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`Provider
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`120
`
`Data Network Telephony
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`
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`YMAX CORPORATION v. FOCAL IP, LLC
`FOCAL IP, LLC EX2058 - 7
`U.S. Patent No. 6,744,759
`IPR2016-01258
`
`

`

`Data Network
`Telephone
`208
`User A
`
`FIG. 38
`
`1.§Q
`Data Network
`Telephony
`Connection
`Server
`Proxy Mode
`
`SIP REGISTER XXXXXXXXXXXXXX WITH SERVER HAVING VERSION_X
`
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`
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`
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`
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`
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`YMAX CORPORATION v. FOCAL IP, LLC
`FOCAL IP, LLC EX2058 - 8
`U.S. Patent No. 6,744,759
`IPR2016-01258
`
`

`

`FIG. 3C
`
`160
`
`service provider host
`(e.g. ISP)
`
`155
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`Provider
`Server
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`(Default Proxy Server)
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`YMAX CORPORATION v. FOCAL IP, LLC
`FOCAL IP, LLC EX2058 - 9
`U.S. Patent No. 6,744,759
`IPR2016-01258
`
`

`

`FIG. 4A
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`116
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`Password
`Email Address
`User_lO
`User_name (for cellar ID)
`User SIP URL
`User TelephOne Number
`Device Identifier (e.o. MAC eddr)
`Credit Cart!
`Bllfing Address
`FEATURES: Caller ID, Call Forwarding, PIO
`Services, GatllWll)' Services
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`YMAX CORPORATION v. FOCAL IP, LLC
`FOCAL IP, LLC EX2058 - 10
`U.S. Patent No. 6,744,759
`IPR2016-01258
`
`

`

`FIG. 48
`
`317
`
`New Account
`
`Welcome to 3Com/(Yahoof, AOL, MSN, AT&T, MCI, Level 3) Internet Voice Services.
`All 3Com/XXX Internet voice services members can be reached at
`1-800-555-3Com Ext. (provider number)(personal number)
`
`Your personal number can be any number you choose which is not already taken.
`
`Choose your personal number (variable length)
`
`or caller ID:
`
`A password:
`Re-enter:
`A short name
`Your e-mail a
`The phone de
`A SIP URL: (o
`A credit card a
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`YMAX CORPORATION v. FOCAL IP, LLC
`FOCAL IP, LLC EX2058 - 11
`U.S. Patent No. 6,744,759
`IPR2016-01258
`
`

`

`FIG. 4C
`
`416
`
`USER: lkhlaq S
`
`MENU
`
`Phone Service by
`XVZ, Inc.
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`ongratula~onsl
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`Password
`Email Address
`User_lD
`User_name (for caller ID)
`User SIP URL
`User Telephone Number
`Device Identifier (e.g. MAC addr)
`Credit Card
`BIiiing Address
`FEATIJRES: Caller ID, Cell Forwarding, PID
`Services, Gateway Services
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`YMAX CORPORATION v. FOCAL IP, LLC
`FOCAL IP, LLC EX2058 - 12
`U.S. Patent No. 6,744,759
`IPR2016-01258
`
`

`

`Congratulations!
`
`n E-mail has been sent to you. You must reply to that e-mail to activate this account.
`ou should print this page and keep it for future reference.
`
`417
`
`Ext. 200 634-0610
`Your new "personal" phone number is 1-800-5553Com
`Your SIP address (for Palm PDA based dialing) is ikh1aq_sidhu.3com.com@xxx.com
`
`ome Frequently asked questions:
`: How do I dial another 3Com I XXX Internet phone user?
`: You only need to dial the extension number. For example other 3Com/( ... ) users with
`he same provider code (200) can call you at 634-0610. To call a userwtth another (say
`02) provider number, you must dial 1-202-634-0610.
`
`: How do I dial traditional people phones?
`Dial 9 to get out of the system. I.e. dial 9, 1800-CALL ATT to use a AT&T calling card.
`
`How are calls billed?
`: There is no extra charge for calls to other 3Com/XXX subscribers.
`There is no extra charge to make domestic long distance calls over the Public
`elephone Net. International calls over the public network are billed to your credi1 card o
`per call basis.
`
`: How do I set speed dials and other advanced features?
`: Goto www.3comvoice.com/ikhlaq_sidhu.3com.com@xyz.com and enter your
`assword llZ.
`
`: How do I use speed dialing from my Palm PDA?
`: The proxy server option must be set to proxy@xxx.com. Any subscriber with an e-mai
`ddress can be auto dialed by ...
`
`FIG. 4D
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`
`YMAX CORPORATION v. FOCAL IP, LLC
`FOCAL IP, LLC EX2058 - 13
`U.S. Patent No. 6,744,759
`IPR2016-01258
`
`

`

`Data Network Telephony
`Connection Servor
`
`( User B
`
`~
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`328
`
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`206
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`User B Date Nelwof1<; Telephone
`
`User A Data Network Telephone
`
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`Speed Dial Connection
`to Merchant
`
`ID§§ I ..____
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`YMAX CORPORATION v. FOCAL IP, LLC
`FOCAL IP, LLC EX2058 - 14
`U.S. Patent No. 6,744,759
`IPR2016-01258
`
`

`

`START
`
`PERFORM DHCP DISCOVER TO OBTAIN AN IP ADDRESS
`
`SEND REGISTER MESSAGE TO SERVICE PROVIDER PROXY
`SERVER, INCLUDE CURRENT VERSION
`
`FIG. 6
`
`CHECK CURRENT VERSION FROM TE.LEPHONE WITH CURRENT
`VERSION IN SERVER
`
`500
`
`502
`
`504
`
`507
`
`AUTOMATICALLY RE-CONFIGURE
`TELEPHONE TO CURRENT VERSION IN
`SERVER
`
`506
`
`508
`
`UPDATE TELEPHONE VERSION WITH
`VERSION FROM SERVER
`
`512
`
`END
`
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`
`YMAX CORPORATION v. FOCAL IP, LLC
`FOCAL IP, LLC EX2058 - 15
`U.S. Patent No. 6,744,759
`IPR2016-01258
`
`

`

`U.S. Patent
`
`Jun.1, 2004
`
`Sheet 13 of 14
`
`US 6,744,759 Bl
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`YMAX CORPORATION v. FOCAL IP, LLC
`FOCAL IP, LLC EX2058 - 16
`U.S. Patent No. 6,744,759
`IPR2016-01258
`
`

`

`START
`
`CONNECT TO SERVICE PROVIDER WEB PAGE
`
`700
`
`FIG. 8
`
`ENTER BILLING INFORMATION
`
`ENTER USER IDENTIFIERS, PASSWORDS, URLS, EMAIL
`IDENTIFIERS
`
`SELECT FEATURES
`
`SUBMIT ACCOUNT INFORMATION
`
`GET CONFIRMATION MESSAGE AND EMAIL
`
`RESPOND TO EMAIL TO START SERVICE
`
`714
`
`END
`
`702
`
`704
`
`708
`
`710
`
`712
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`YMAX CORPORATION v. FOCAL IP, LLC
`FOCAL IP, LLC EX2058 - 17
`U.S. Patent No. 6,744,759
`IPR2016-01258
`
`

`

`US 6,744,759 Bl
`
`1
`SYSTEM AND METHOD FOR PROVIDING
`USER-CONFIGURED TELEPHONE SERVICE
`IN A DATA NETWORK TELEPHONY
`SYSTEM
`
`BACKGROUND OF THE INVENTION
`
`5
`
`2
`terminated a call with each customer is often included in the
`CLASS office database. For each customer, usually only the
`most recent number on this list is stored by the local Class-5
`switch.
`A Private Branch Exchange (PBX), is a stored program
`switch similar to a Class-5 switch. It is usually used within
`a medium-to-large-sized business for employee telephony
`service. Since a PBX is typically operated by a single private
`organization, there exists a wide variety of PBX services and
`10 features. Custom configurations are common, such as inte(cid:173)
`gration with intercom and voice mail systems. PBX's typi(cid:173)
`cally support their own versions of the CLASS features, as
`well as other features in addition to those of CLASS. Most
`PBX features are designed to facilitate business and group
`15 communications.
`A summary of typical PBX features includes:
`Call transfer: An established call may be transferred from
`one number to another number on the same PBX.
`Call forwarding: In addition to CLASS call forwarding, a
`PBX number can be programmed to automatically
`transfer a call to another number when the first number
`does not answer or is busy.
`Camp-on queuing: Similar to PSTN call return, a call to
`a busy number can be queued until the callee can accept
`it. The caller can hang up their phone and the PBX will
`ring them when the callee answers.
`Conference calling: Two or more parties can be connected
`to one another by dialing into a conference bridge
`number.
`Call parking: An established call at one number can be put
`on hold and then reestablished from another number.
`This is useful when call transfer is not warranted.
`Executive override: A privileged individual can break into
`an established call. After a warning tone to the two
`participants, the call becomes a three-way call.
`While the CLASS and PBX features have enhanced the
`offerings of service providers that use the PSTN, the features
`are nevertheless limited in their flexibility and scope. The
`effect to the user is that the features become clumsy and
`difficult to use. For example, in order to use the Call
`Forwarding function, the user must perform the steps at the
`user's own phone prior to moving to the location of the
`telephone to which calls will be forwarded. A more desirable
`45 approach, from the standpoint of usefulness to the user,
`would be to perform the steps at the telephone to which calls
`will be forwarded.
`Much of the lack of flexibility of the PSTN features is due
`to the lack of flexibility in the PSTN system itself. One
`50 problem with the PSTN is that the terminal devices (e.g.
`telephones) lack intelligence and operate as "dumb" termi(cid:173)
`nals on a network having the intelligence in central offices.
`Most PSTN telephones are limited in functional capability to
`converting the analog signals they receive to sound and
`55 converting the sound from the handset to analog signals.
`Some PSTN telephones have a display device and a
`display function to display specific information communi(cid:173)
`cated from intelligent agents in the PSTN network using the
`PSTN signaling architecture. For example, some PSTN
`60 telephones have a display function to enable the Caller ID
`feature. Even such PSTN telephones are limited however by
`the closed PSTN signaling architecture, which prohibits
`access by the PSTN telephones to the network signaling
`protocols. The display functions are effectively limited to
`65 displaying text, again, as a "dumb" terminal.
`The Internet presents a possible solution for distributing
`intelligence to telephony terminal devices. In Internet
`
`A Field of the Invention
`The present invention is related to field of
`telecommunications, and more particularly to a system and
`method for providing communication services over a net(cid:173)
`work.
`B. Description of the Related Art and Advantages of the
`Present Invention
`For many years, telephone service providers on the Public
`Switched Telephone Network (PSTN) provided their cus(cid:173)
`tomers nothing more than a telephone line to use to com(cid:173)
`municate with other subscribers. Over time, telephone ser(cid:173)
`vice providers have enhanced their service by providing 20
`Custom Local Area Signaling Service (CLASS) features to
`their customers. Similar communication services are pro(cid:173)
`vided by a Private Branch Exchange (PBX), which is
`typically implemented in a nonresidential setting.
`The CLASS features permit customer subscribers of the 25
`features to tailor their telephone service according to indi(cid:173)
`vidual needs. Some of the well known CLASS features are:
`Call blocking: The customer may specify one or more
`numbers from which he or she does not want to receive
`calls. A blocked caller will hear a rejection message, 30
`while the callee will not receive any indication of the
`call.
`Call return: Returns a call to the most recent caller. If the
`most recent caller is busy, the returned call may be
`queued until it can be completed.
`Call trace: Allows a customer to trigger a trace of the
`number of the most recent caller.
`Caller ID: The caller's number is automatically displayed
`during the silence period after the first ring. This feature
`requires the customer's line to be equipped with a
`device to read and display the out-of-band signal con(cid:173)
`taining the number.
`Caller ID blocking: Allows a caller to block the display of
`their number in a callee's caller ID device.
`Priority ringing: Allows a customer to specify a list of
`numbers for which, when the customer is called by one
`of the numbers, the customer will hear a distinctive
`ring.
`Call forwarding: A customer may cause incoming calls to
`be automatically forwarded to another number for a
`period of time.
`A customer subscriber to a CLASS feature may typically
`activate and/or de-activate a CLASS feature using "*"
`directives ( e.g., *69 to automatically return a call to the most
`recent caller). CLASS features may also be implemented
`with the use of out-of-band data. CLASS feature data is
`typically transmitted between local Class-5 switches using
`the Signaling System 7 (SS7).
`Local Exchange Carriers (LECs) and other similar orga(cid:173)
`nizations maintain CLASS offices that typically contain a
`database entry for each customer. The database allows
`specification of the CLASS features a customer has sub(cid:173)
`scribed to, as well as information, such as lists of phone
`numbers, associated with those features. In some cases,
`customers may edit these lists on-line via a touch-tone
`interface. A list of all phone numbers that have originated or
`
`35
`
`40
`
`YMAX CORPORATION v. FOCAL IP, LLC
`FOCAL IP, LLC EX2058 - 18
`U.S. Patent No. 6,744,759
`IPR2016-01258
`
`

`

`US 6,744,759 Bl
`
`4
`FIG. 3B is a block diagram showing one example of the
`interaction between components in the embodiment shown
`in FIG. 4A to update the data network telephone version;
`FIG. 3C is a block diagram showing one example of the
`interaction between components in the embodiment shown
`in FIG. 4A when registration is complete;
`FIG. 4A is a block diagram showing one example of the
`interaction between components in the embodiment shown
`in FIG. 4A to provision the data network telephone version
`with a voice account;
`FIG. 4B is a depiction of a sample screen for ordering
`telephone service for the data network telephone of FIG. SA;
`FIG. 4C is a block diagram showing the interaction
`between components in the embodiment shown in FIG. 4A
`15 to confirm service;
`FIG. 4D is a depiction of a sample screen for confirming
`telephone service for the data network telephone of FIG. SA;
`FIG.Sis a block diagram showing the interaction between
`components in accordance with an example of a system and
`method for communicating by data network telephone in the
`data network telephony system in FIG. 2A;
`FIG. 6 is a flowchart showing an example of a method for
`registering a data network telephone using the data network
`telephony system of FIG. 1;
`FIG. 7 is a flowchart showing an example of a method for
`provisioning a data network telephone in the data network
`telephony system of FIG. 1; and
`FIG. 8 is a flowchart showing an example of confirming
`the telephony service ordered using the method described in
`3° FIG. 7.
`
`DETAILED DESCRIPTION OF THE
`PREFERRED EMBODIMENT
`The following references to patent applications filed con-
`35 currently herewith are incorporated be reference:
`
`3
`telephony, digitized voice is treated as data and transmitted
`across a digital data network between a telephone calls'
`participants. One form of Internet telephony uses a tele(cid:173)
`phony gateway/terminal where IP telephony calls are termi(cid:173)
`nated on the network. PSTN telephones are connected by a 5
`subscriber line to the gateway/terminal at the local
`exchange, or at the nearest central office. This form of
`Internet telephony provides substantial cost savings for
`users. Because the PSTN portion used in Internet telephony
`calls is limited to the local lines on each end of the call, long 10
`distance calls may be made for essentially the cost of a local
`call. Notwithstanding the costs savings provided by this
`form of Internet telephony, it is no more flexible than the
`PSTN with respect to providing enhancements and features
`to the basic telephone service.
`In another form of Internet telephony, telephones are
`connected to access networks that access the Internet using
`a router. The telephones in this form of Internet telephony
`may be substantially more intelligent t