I IIIII
`
`1111111111111111111111111111111111111111111111111111111111111
`US008457113B2
`
`c12) United States Patent
`Wood et al.
`
`(10) Patent No.:
`(45) Date of Patent:
`
`US 8,457,113 B2
`*Jun.4,2013
`
`(75)
`
`(54) BRANCH CALLING AND CALLER ID BASED
`CALL ROUTING TELEPHONE FEATURES
`Inventors: Samuel F. Wood, Los Altos, CA (US);
`Jerry A. Klein, Los Altos, CA (US);
`Margaret Susan Asprey, Los Altos, CA
`(US)
`(73) Assignee: Telemaze LLC, Los Altos, CA (US)
`( *) Notice:
`Subject to any disclaimer, the term of this
`patent is extended or adjusted under 35
`U.S.C. 154(b) by 85 days.
`
`This patent is subject to a terminal dis(cid:173)
`claimer.
`(21) Appl. No.: 12/821,119
`(22) Filed:
`Jun.22,2010
`(65)
`Prior Publication Data
`
`US 2010/0254376 Al
`
`Oct. 7, 2010
`
`(60)
`
`(51)
`
`(52)
`
`(58)
`
`(56)
`
`Related U.S. Application Data
`
`Continuation of application No. 11/948,965, filed on
`Nov. 30, 2007, now Pat. No. 7,764,777, which is a
`division of application No. 10/426,279, filed on Apr.
`30, 2003, now Pat. No. 7,324,635, which is a
`continuation-in-part of application No. 09/565,565,
`filed on May 4, 2000, now Pat. No. 6,574,328.
`
`Int. Cl.
`H~~Ld?/66
`(2006.01)
`USPC ...................................... 370/352; 379/220.01
`Field of Classification Search
`USPC ...................................... 370/352; 379/220.01
`See application file for complete search history.
`
`References Cited
`
`U.S. PATENT DOCUMENTS
`7 I 1978 Flanagan
`4,100,377 A
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`12/1980 Takahashi et al.
`(Continued)
`
`DE
`EP
`
`FOREIGN PATENT DOCUMENTS
`19813179
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`0 578 374
`111994
`(Continued)
`OTHER PUBLICATIONS
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`Dowden, Douglas C., et al., "The Future ofNetwork-Provided Com(cid:173)
`munications Services," Bell Labs Technical Journal, Jul.-Sep. 2000,
`pp. 3-10.
`
`(Continued)
`
`Primary Examiner- Creighton Smith
`(74) Attorney, Agent, or Firm- DLA Piper LLP (US)
`
`ABSTRACT
`(57)
`A caller ID based call routing feature is described for blocked
`and non-blocked caller ID's. A processing system in the pub(cid:173)
`lic switched telephone network (PSTN) receives first identi(cid:173)
`fYing information for identify the source of a telephone call
`and associates additional information stored in a memory
`with the first identifying information. The additional infor(cid:173)
`mation may be information about the calling party initially
`downloaded to the memory by a subscriber. Once retrieved
`from the memory by the processing system, the additional
`information may then be transmitted to the subscriber via the
`Internet for display on a monitor or to the subscriber's tele(cid:173)
`phone for display on a telephone display. Another feature
`described is a branch calling feature where the subscriber
`may program a processing system within the PSTN to for(cid:173)
`ward an incoming call to two or more end units (e.g., tele(cid:173)
`phones) simultaneously. If the call at an end unit is answered,
`answer supervision signaling is transmitted back to the pro(cid:173)
`cessing system which then terminates all other calls. The
`processing system then connects the calling party to the sub(cid:173)
`scriber. The branch calling may be made for any combination
`oflocal, long distance, and cellular telephone numbers.
`
`182 Claims, 11 Drawing Sheets
`
`/
`
`16~
`
`PSTN
`TANDEM SWITCH
`
`23
`
`_D_
`
`User
`Interface
`
`'@!
`
`0 1-20
`
`CISCO SYSTEMS, INC. Ex. 1101 Page 1
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`

`
`US 8,457,113 B2
`Page 2
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`179/18
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`9/2001
`10/2001
`2/2003
`2/2003
`5/2003
`7/2003
`8/2003
`10/2003
`2/2004
`8/2004
`12/2004
`12/2004
`2/2005
`6/2005
`8/2005
`9/2005
`2/2007
`
`Levine
`Shuster et al.
`Liljestrand et a!.
`Shuster et al.
`Schuster et a!.
`Schuster et a!.
`Shuster et al.
`Shuster et al.
`Shuster et al.
`Kung
`Duncan eta!.
`Graves eta!.
`Gavillet ........................ 379/219
`Lin
`Koser
`Sanchez et al . ............... 379/219
`Maher et al.
`Chambers et al. ............ 370/325
`Menon eta!.
`Chen eta!.
`Clapper
`Clark
`Mize
`Khakoo et al.
`Goldman
`Wood eta!.
`DeLuca eta!.
`Baniak eta!.
`Camarillo ................ 379/221.02
`Novack .................... 379/221.11
`Esmersoy et al.
`Bhandari et al.
`Harris
`Dolan eta!.
`Hill eta!. ................... 379/88.21
`
`EP
`EP
`EP
`EP
`EP
`EP
`EP
`EP
`EP
`EP
`EP
`EP
`EP
`EP
`EP
`EP
`EP
`EP
`EP
`GB
`JP
`JP
`JP
`JP
`wo
`wo
`wo
`wo
`wo
`wo
`wo
`wo
`wo
`wo
`wo
`wo
`wo
`wo
`wo
`wo
`wo
`wo
`
`FOREIGN PATENT DOCUMENTS
`0 704 788
`4/1996
`0 738 093
`10/1996
`0 789 470
`8/1997
`0 794 650
`9/1997
`0 797 373
`9/1997
`0 824 298
`2/1998
`0 829 995
`3/1998
`0 841 831
`5/1998
`0 847176
`6/1998
`0 851 653
`7/1998
`0 853 411 A2
`7/1998
`0 853 411 A3
`7/1998
`0 858 202
`8/1998
`0 866 596
`9/1998
`0 869 688
`10/1998
`0 872 998
`10/1998
`0 918 423
`10/1998
`0 881 848 A2
`12/1998
`0 898 431
`2/1999
`2 315 190 A
`111998
`111998
`10-023067
`2/1998
`10-051453
`10-164135
`6/1998
`10-164257
`6/1998
`wo 94/05111
`3/1994
`wo 95/34985
`12/1995
`wo 96/08935
`3/1996
`wo 96/15598
`5/1996
`wo 97/14234
`4/1997
`wo 97/14238
`4/1997
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`5/1997
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`6/1997
`wo 97/23078
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`wo 97/27692
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`
`wo
`wo
`wo
`wo
`wo
`wo
`wo
`wo
`wo
`wo
`wo
`wo
`wo
`wo
`wo
`wo
`wo
`wo
`wo
`wo
`wo
`wo
`wo
`wo
`wo
`wo
`wo
`wo
`wo
`wo
`wo
`wo
`wo
`wo
`wo
`wo
`wo
`wo
`wo
`wo
`wo
`wo
`wo
`wo
`wo
`wo
`wo
`wo
`wo
`wo
`
`wo 97/44943
`wo 97/46073
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`W097/50217
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`wo 01105078
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`wo 01124498
`wo 01124500
`wo 01124501
`wo 01124502
`wo 01124503
`wo 01184859
`
`1111997
`12/1997
`12/1997
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`111998
`111998
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`Foard, C.F., "Teaming Switches and Computers for Customer Appli(cid:173)
`cations," AT&T Technology, 1991; 6, 4; Research Library, pp. 32-38.
`Foster, Robin Harris, "Computer-Telephone Integration Goes Glo(cid:173)
`bal," AT&T Technology, Autunm 1995; 10, 3; Research Library, pp.
`18-22.
`Kozik, Jack, et a!., "On Opening PSTN to Enhanced Voice/Data
`Services-The PINT Protocol Solution," Bell Labs Technical Jour(cid:173)
`nal, Jul.-Sep. 2000, pp. 153-165.
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`Management System for Next-Generation Networks," Bell Labs
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`AT&T Technology, 1991; 6, 1; Research Library, pp. 44-48.
`Sijben, Paul G., eta!, "Bridging the Gap to IP Telephony," Bell Labs
`Technical Journal, Oct-Dec. 1998, pp. 192-207.
`RFC 3298 Service in the PSTN, Aug. 2002.
`Implementing Automatic Location Update for Follow-Me database
`using VoiP and Bluetooth Technologies, IEEE Transaction on com(cid:173)
`puters, vol. 51, No. 10, Oct. 2002.
`New services demand integration, Electronic Engineering Times,
`Aug. 28, 2000, Iss. 1128; p. 110.
`Natural Microsystems, M2 Presswire. Coventry: Aug. 18, 2000.
`
`CISCO SYSTEMS, INC. Ex. 1101 Page 4
`
`

`
`US 8,457,113 B2
`Page 5
`
`This pipe dream will come true: Voice Over Internet Protocol (VoiP)
`technology will make the phone Box something that really talks,
`Businessline, Chennai: Apr. 17, 2002.
`Using Optimization to Achieve Efficient Quality of Service in Voice
`over IP Networks, IEEE 2003.
`Broadsoft literature Broadworks overview, Copyright date 2002.
`BroadSoft introduces industry's first complete service delivery and
`creation product suite for enhanced telephony services Broadworks,
`ATM Newsletter: Boston: Mar. 2000, vol. 9, Iss. 3, p. 13.
`
`BroadSoft unveils advanced architecture for the rapid and cost effec(cid:173)
`tive delivery of enhanced communications services, Website, Aug.
`25, 1999, Press releases, 3 pages.
`ADC Telecommunications; SS7 New Net SS7 Tutorial; Copyright
`1999.
`Mary Carmichael, "Calls That Follow you Anywhere" Newsweek,
`Apr. 28, 2003, p. 43.
`U.S. Appl. No. 09/406,322, Schuster eta!., filed Sep. 27, 1999.
`U.S. Appl. No. 09/515,798, Schuster eta!., filed Feb. 29, 2000.
`
`CISCO SYSTEMS, INC. Ex. 1101 Page 5
`
`

`
`U.S. Patent
`
`Jun. 4, 2013
`
`Sheet 1 of 11
`
`US 8,457,113 B2
`
`0
`0
`
`~~~ c
`
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`
`CISCO SYSTEMS, INC. Ex. 1101 Page 6
`
`

`
`U.S. Patent
`
`Jun.4,2013
`
`Sheet 2 of 11
`
`US 8,457,113 B2
`
`~"..
`
`"'
`
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`
`CISCO SYSTEMS, INC. Ex. 1101 Page 7
`
`

`
`Subscriber Registration and Login
`
`User accesses web
`site UIS (User
`Interaction System)
`
`FIG. 3A
`
`User views
`User logs in (apply
`information on
`standard forgotten
`becominga ~lsUsera~
`password procedures).
`ubscriber includin
`~. ·• - - "- - .. n
`features and
`charges.
`
`System displays
`Subscriber's private
`information page.
`
`1 Sample
`Simple
`ex,perimentation
`with features
`such as web
`dialing
`
`User provides personal
`data including login name
`and password and credit
`card information.
`
`User views messages,
`changes configuration,
`modifies mail lists, etc.
`
`User enters a tentative
`PPN, system checks local
`database for availability
`
`User selects "Vanity"
`PPN (Extra Cost Option).
`
`No
`
`Yes
`
`~
`00
`•
`~
`~
`~
`
`~ = ~
`
`2'
`:=
`~ ...
`N
`0 ......
`
`(.H
`
`rFJ =(cid:173)
`......
`(.H
`
`('D
`('D
`
`0 ......
`......
`......
`
`d
`rJl
`00
`~ u.
`"'--...1
`""""'
`
`""""' w = N
`
`CISCO SYSTEMS, INC. Ex. 1101 Page 8
`
`

`
`System selects
`PPN.
`System selects PPN
`from local database.
`
`Acronyms
`PPN - Public Phone Number allocated by oneCioud (known to public,
`on business cards, etc., rings oneCioud).
`LPN- Local Phone Number from local telco (rings l!Ser's phone but
`is only known to oneCioud and local telco).
`UIS- User Interaction System- web site user interfaces with in
`order to control phone features.
`TAC- Tandem Acces Controller- System that directly accesses
`the PSTN.
`
`FIG. 38
`
`FIG. 3A
`
`FIG. 3B
`
`FIG. 3
`
`System sends provisioning
`packet to PSTN Controller.
`I
`Controller acknowledges
`provisioning packet.
`I
`User's new PPN and login name
`are acknowledged and User is
`welcomed as a new Subscriber
`l
`Done
`
`........
`
`~
`
`~
`
`~
`00
`•
`~
`~
`~
`
`~ = ~
`
`2'
`:=
`~ ...
`0 ....
`
`N
`
`(.H
`
`('D
`('D
`
`rFJ =(cid:173)
`..... ...
`0 .....
`....
`....
`
`d
`rJl
`00
`
`~ u.
`"'--...1
`""""'
`
`""""' w = N
`
`CISCO SYSTEMS, INC. Ex. 1101 Page 9
`
`

`
`Incoming Message Progessing for
`PSTN Tandem Access Controller
`
`Send to
`appropriate
`Protocol
`Conversion
`subsystems.
`
`Acronyms
`PPN - Public Phone Number allocated by oneCioud
`(known to public, on business cards, etc., rings oneCioud).
`LPN - Local Phone Number from local telco (rings user's
`phone but is only known to oneCioud and local telco).
`UIS - User Interaction System - web site user interfaces
`with in order to control phone features.
`TAC- Tandem Access Controller- System that directly
`t I P k t accesses the PSTN.
`on ro ac e
`C
`.---------~----------.
`Assemble Signaling and Control
`Message (from Packets)
`
`Process VoiP
`control messages.
`
`VoiP H.323
`Control Message
`
`Call Control
`Messages
`Invalid call
`Control
`Request
`
`~
`00
`•
`~
`~
`~
`
`~ = ~
`
`2'
`:=
`~ ...
`0 ....
`
`N
`
`(.H
`
`UIS Provisioning Message
`
`Invalid
`Database
`Request
`
`Database
`Updated
`
`Send acknowledgement
`message to UIS
`
`Perform invalid
`message analysis
`and security check
`
`FIG. 4
`
`('D
`('D
`
`rFJ =(cid:173)
`.....
`Ul
`0 .....
`....
`....
`
`d
`rJl
`00
`~ u.
`"'--...1
`""""'
`
`""""' w = N
`
`CISCO SYSTEMS, INC. Ex. 1101 Page 10
`
`

`
`U.S. Patent
`
`Jun.4,2013
`
`Sheet 6 of 11
`
`US 8,457,113 B2
`
`Inbound Call (to Subscriber)
`
`Receive Incoming Call
`Request (SS7) from
`PSTN Tandem Office.
`
`Format Message: Incoming Call
`Request (including called PPN,
`caller ID, channel#, etc.)
`
`Look up Calling and Called
`Parties in Database.
`
`
`
`>--N-0- - -1 Refuse call.
`
`Yes
`Look up Subscriber specified parameters
`in database. Determine if additional
`information is required from caller.
`
`IVR Subsystem
`obtains information
`>--Y_e_s __ ---l(e.g. collect password
`from caller, etc.).
`
`Determine outbound calling number: Look
`up Subscriber Conditional Call Forward
`information (e.g. time-of-day, day-of-week,
`caller 10, caller password, etc.).
`
`Send Call Request (SS7)
`to PSTN Tandem.
`
`Yes
`
`Yes
`
`Connect this outbound call
`to original inbound call.
`
`FIG. 5
`
`CISCO SYSTEMS, INC. Ex. 1101 Page 11
`
`

`
`U.S. Patent
`
`Jun.4,2013
`
`Sheet 7 of 11
`
`US 8,457,113 B2
`
`Outbound Call (from Subscriber)
`
`Subscriber enters or clicks on
`Outbound Called Number at UIS
`and indicates which Subscriber
`number call is to be placed from
`(e.g. cell or home number)
`
`UIS Formats and Sends a
`CaiiAndConnect Message to TAG.
`
`Send messages to
`UIS- Subscriber
`Phone Not
`Answering
`
`Yes
`T AC places call to
`outbound number and
`connects the two.
`
`FIG. 6
`
`via phone
`User goes
`off "hook"
`on phone
`
`CO processes
`dialing and
`look up
`
`No
`PSTN places call
`in conventional
`manner
`
`CISCO SYSTEMS, INC. Ex. 1101 Page 12
`
`

`
`U.S. Patent
`
`Jun.4,2013
`
`Sheet 8 of 11
`
`US 8,457,113 B2
`
`"'
`
`"'
`
`::c
`()
`1-
`z~
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`
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`
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`
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`
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`
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`)
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`
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`
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`
`"' "
`-":E
`
`..c:
`(..)
`
`(f)
`Ci5
`()
`
`"'
`
`CISCO SYSTEMS, INC. Ex. 1101 Page 13
`
`

`
`U.S. Patent
`
`Jun.4,2013
`
`Sheet 9 of 11
`
`US 8,457,113 B2
`
`0
`0
`
`0
`-.:::t
`
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`
`-~
`
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`
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`
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`
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`
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`
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`00:::2
`o....w
`0 z
`~
`
`)
`
`..... c
`
`.~ (/) --()~
`
`~0
`><ro
`<(a.
`1L
`
`C\J
`C\J
`
`co
`w
`$
`
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`(9 -LL
`
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`
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`
`0
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`
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`..!..-o
`roo
`02
`
`----
`
`CISCO SYSTEMS, INC. Ex. 1101 Page 14
`
`

`
`U.S. Patent
`
`Jun.4,2013
`
`Sheet 10 of 11
`
`US 8,457,113 B2
`
`74
`
`NO
`
`OBTAIN CID
`FROM CALLER
`
`YES
`
`PROMPT CALLER
`TO UNLOCK
`
`LOOK UP
`CIDTAG
`
`DISPLAY TAG
`INFORMATION
`ON WEB PAGE
`
`DISPLAY NAME
`AND NUMBER
`ON WEB PAGE
`
`56
`
`58
`
`60
`
`TRANSLATE NUMBER
`
`62
`
`RING PHONE
`
`64
`
`NO
`
`77
`
`SUBSCRIBER
`ACCEPTING
`BLOCKED OR
`UNKNOWN
`CALLS
`
`NO
`
`BLOCK CALL OR
`SEND TO VOICEMAIL
`
`SEND CID TO
`SUBSCRIBER
`
`66
`
`FIG. 9
`
`CISCO SYSTEMS, INC. Ex. 1101 Page 15
`
`

`
`U.S. Patent
`
`Jun.4,2013
`
`Sheet 11 of 11
`
`US 8,457,113 B2
`
`82
`
`80
`
`LOOK UP DNIS AND CID ROUTING INSTRUCTIONS
`
`87
`
`NO
`
`BLOCK
`CALL
`
`88
`
`PROVIDE RING BACK TONE TO CALLER
`
`PLACE CALL TO
`1st LOCATION
`
`90
`
`92
`
`93
`
`PLACE CALL TO
`2nd LOCATION
`
`NO
`
`104
`
`NO
`
`111
`
`OTHER
`CALLS
`ANSWERED
`?
`
`YES
`
`98
`
`RETURN ANSWER
`SUPERVISION
`
`YES 109
`
`RETURN ANSWER
`SUPERVISION
`
`ABANDON
`CALL
`
`ABONDON
`OTHER CALLS
`
`ABANDON
`CALL
`
`ABONDON
`OTHER CALLS
`
`ESTABLISH VOICE
`CONNECTION
`
`ESTABLISH VOICE
`CONNECTION
`
`FIG. 10
`
`CISCO SYSTEMS, INC. Ex. 1101 Page 16
`
`

`
`US 8,457,113 B2
`
`1
`BRANCH CALLING AND CALLER ID BASED
`CALL ROUTING TELEPHONE FEATURES
`
`CROSS REFERENCE TO RELATED
`APPLICATIONS
`
`This application is a continuation of U.S. application Ser.
`No. 11/948,965, filed Nov. 30, 2007, entitled "Branch Calling
`and Caller ID Based Call Routing Telephone Features,"
`which is a divisional ofU.S. application Ser. No. 10/426,279,
`filed Apr. 30, 2003, entitled "Branch Calling and Caller ID
`Based Call Routing Telephone Features," now U.S. Pat. No.
`7,324,635, which is a continuation-in-part ofU.S. application
`Ser. No. 09/565,565, filed May 4, 2000, entitled "Telephone
`Call Control System for the Public Switched Telephone Net(cid:173)
`work," now U.S. Pat. No. 6,574,328, The subject matter in the
`above-identified co-pending and commonly owned applica(cid:173)
`tions is incorporated herein by reference.
`
`FIELD OF THE INVENTION
`
`This invention relates to telephone services and, in particu(cid:173)
`lar, to a system for allowing a subscriber to select features of
`the subscriber's telephone service and to various novel fea(cid:173)
`tures that can be selected.
`
`BACKGROUND
`
`People have used various means for limiting interruptions 30
`due to the telephone. In the past, people used switchboards
`and secretaries to screen incoming, or inbound, calls. Voice
`mail systems took over some of this role both in the home and
`in the central office. Today, there are web-based companies
`managing 3rd-party call control, via the toll-switch network,
`which allow users to enter call control information through a
`web portal. There are also edge devices in each of the public
`telephone company's central offices which provide local con(cid:173)
`trol, but offer an extremely limited number of features and do
`not provide true 3rd-party call control.
`The web-based toll systems provide good user interaction
`but they are not economical and cannot take advantage of
`local number portability because they do not provide local
`control and connectivity.
`The Public Switched Telephone Network (PSTN) consists 45
`of a plurality of edge switches connected to telephones on one
`side and to a network of tandem switches on the other. The
`tandem switch network allows connectivity between all of the
`edge switches, and a signaling system is used by the PSTN to
`allow calling and to transmit both calling and called party
`identity.
`Until now, optional features were provided by the local
`service telephone company (tel co) through the edge switch at
`the central office (CO). It was not possible to provide optional
`features through any other means. Control of these features 55
`was done through the first party (calling party) or the second
`party (called party), or worse yet, manually by calling the
`business office.
`In the past, numerous devices have been built that allow the
`connection of two lines together at an edge switch. These
`devices can be used to add features to a telephone network by
`receiving a call on one line and then dialing out on another
`line. The problem with these devices is that, because they are
`connected through an edge switch, transmission losses and
`impairments occur, degrading the overall connection. In addi(cid:173)
`tion, signaling limitations prevent full control, by the sub(cid:173)
`scriber or the system, over the call.
`
`2
`A preferred embodiment of the inventive system described
`herein connects at the tandem, thereby eliminating these
`problems.
`In the edge devices residing in the PS TN central offices, the
`1st party (the calling party) has numerous features available
`(dialing options). The 2nd party (called party) also has
`options available such as call forwarding, but these features
`typically require access from the first or second party's device
`and are extremely awkward to program. The user interaction
`10 is not only awkward, it is limited and requires interaction with
`the telephone company to provision them. In other words,
`past systems for provisioning, meaning addition, modifica(cid:173)
`tion, or control of telephone features, required a subscriber to
`make the feature selection through the telephone business
`15 office. Central office workers would then implement the pro(cid:173)
`visioning nnder request of the business office.
`Call Forwarding is one popular provision. There is signi(cid:173)
`fication transmission degradation for Call Forwarding to take
`place. The calling party pays for a call to the edge device, and
`20 the edge subscriber, the called party, pays for the call to the
`forwarding number. For enhanced inbound call control to
`occur, a direct 3rd-party call control means is needed.
`A variety of services have arisen to address the problems
`mentioned above. Many of these systems allow the called
`25 party to make changes to his/her call forwarding attributes
`which do not allow direct 3rd-party call control. These ser(cid:173)
`vices provide good user interaction, some via the internet, but
`they rely upon the toll network through the use of "800"
`numbers.
`This requires the subscriber to pay by the minute and does
`not allow the subscriber to take advantage of number port(cid:173)
`ability in order to obtain 3rd-party call control. There are
`other toll network mechanisms for remote call forwarding.
`For example, MCI offers a service where the customer