WO1997020424A1 - Call notification feature for a telephone line connected to the internet - Google Patents
Call notification feature for a telephone line connected to the internet Download PDFInfo
- Publication number
- WO1997020424A1 WO1997020424A1 PCT/US1996/018710 US9618710W WO9720424A1 WO 1997020424 A1 WO1997020424 A1 WO 1997020424A1 US 9618710 W US9618710 W US 9618710W WO 9720424 A1 WO9720424 A1 WO 9720424A1
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- WO
- WIPO (PCT)
- Prior art keywords
- call
- station
- subscriber
- telephone
- internet
- Prior art date
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/42—Systems providing special services or facilities to subscribers
- H04M3/428—Arrangements for placing incoming calls on hold
- H04M3/4281—Arrangements for placing incoming calls on hold when the called subscriber is connected to a data network using his telephone line, e.g. dial-up connection, Internet browsing
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M2203/00—Aspects of automatic or semi-automatic exchanges
- H04M2203/15—Aspects of automatic or semi-automatic exchanges related to dial plan and call routing
- H04M2203/156—On-line status dependent routing
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M2203/00—Aspects of automatic or semi-automatic exchanges
- H04M2203/20—Aspects of automatic or semi-automatic exchanges related to features of supplementary services
- H04M2203/2011—Service processing based on information specified by a party before or during a call, e.g. information, tone or routing selection
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M7/00—Arrangements for interconnection between switching centres
- H04M7/12—Arrangements for interconnection between switching centres for working between exchanges having different types of switching equipment, e.g. power-driven and step by step or decimal and non-decimal
Definitions
- the invention relates to a call waiting feature for telephone calls and more particularly relates to a call waiting feature for a called telephone station set that is busy as a result of being connected to a conventional data network, e.g., the Internet.
- Call waiting is a telephone feature that is provided b a telephone switching office, e.g., a Central Office (CO), to alert a called party to an incoming call when the party's telephone station set is busy with another call.
- a telephone switching office e.g., a Central Office (CO)
- CO Central Office
- Such alerting is typically implemented by transmitting a subtle tone or "click" to the called party.
- the tone or click may also be heard by the party communicating with the called party.
- the called party may place the existing call on hold and answer the new incoming call.
- a telephone network/switching office cannot apply the call waiting feature to a telephone line that is connected to the well-known Internet (a.k.a. the world wide web). This limitation stems from the fact that the application of call waiting and/or voice signals to the telephone line would interfere with the data connection.
- an alternate for the call waiting feature may be used to notify a subscriber of a waiting call even though the subscriber's telephone line is connected to the Internet.
- a call directed to the subscriber may be forwarded via the public switched network to a services platform, which, in turn, establishes a connection to the subscriber using the Internet, and then notifies the subscriber of the call waiting via the Internet.
- the platform may then forward the telephone call to the subscriber via the Internet responsive to a subscriber request to do so.
- FIG. 1 illustrates a telecommunications system in which the principles of the invention may be practiced
- FIG. 2 is an illustrative example of a data record that may be used to implement the inventive service in the system of FIG. 1 ;
- FIG. 3 is a broad block diagram of the Internet Access Service (IAS) of FIG. 1 ;
- FIGs. 4 and 5 illustrate in flow chart form the programs which implement the principles of the invention in the IAS of FIG. 1; and
- FIGs. 6, 7 and 8 illustrate in flow chart form the programs which implement the principles of the invention in the subscriber terminal of FIG.L
- a telephone subscriber may access the well-known Internet by first loading appropriate Internet communications software, e.g., the Chameleon software product, version 4.5 available from NetManage, Inc. of Cupertino , California (hereinafter "Chameleon" software), into associated data terminal DT1 , which may be, for example, a personal computer having multimedia and telephony capability, as will be discussed below.
- the subscriber in a conventional manner, may then cause terminal DT1 to place a telephone call to an Internet access service that the subscriber is associated with, such as Internet Access Service (IAS) 200 to access the Internet, represented by block 300.
- IAS Internet Access Service
- terminal DT1 places telephone line 10 in an off-hook state and then dials the telephone number assigned to IAS 200. Assuming that IAS 200 is not located in the same local dialing region as terminal DT1 , then the telephone call will be routed via public switched network (PSN) 100, e.g., the AT&T network. Specifically, upon receipt of the dialed number, then CO 25, in a conventional manner, establishes a telephone connection to toll switch (TS) 105 and passes the called number and the ANI associated with line 10 to TS 105. TS 105, in turn and in a conventional manner, establishes a connection to IAS 200 via communication path 150-1.
- PSN public switched network
- CO 25 in a conventional manner, establishes a telephone connection to toll switch (TS) 105 and passes the called number and the ANI associated with line 10 to TS 105.
- TS 105 in turn and in a conventional manner, establishes a connection to IAS 200 via communication path 150-1.
- communication path 150i may be one or more conventional T1 carrier lines each having 24 communications channels in which at least one of the channels serve as a signaling channel.
- TS 105 thus routes the call to IAS 200 by sending a so-called call set-up message over the signaling channel, in which the message identifies, inter alia, the T1 channel carrying the incoming call, called number, and calling ANI.
- IAS 200 answers the call by sending an "acknowledgment" message over the signaling channel to TS 105.
- IAS 200 then sends conventional data communications signals to the terminal DT1 software (e.g., the aforementioned Chameleon software) that is adapted to allow the subscriber to communicate/interface with Internet 300.
- the terminal DT1 software e.g., the aforementioned Chameleon software
- IAS 200 Responsive to receipt of the subscriber's incoming call, IAS 200 removes the ANI from the signaling channel and then translates the ANI into a memory address that it uses to access its internal memory to unload a data record that is associated with the subscriber.
- An illustrative example of such a record is shown in FIG. 2.
- record 250 is formed from a number of fields respectively containing the subscriber's identity (name), address, telephone number (ANI), password, and other data.
- IAS 200 permits the caller to access Internet 300 if a password that the caller/subscriber enters via DT1 matches the contents of field 250-4.
- IAS 200 terminates the call, as is done conventionally whenever a login fails. Assuming a match occurs, then IAS 200 communicates with the caller in accord with the contents of fields 250-5 and 250-6 (FIG. 2) which respectively specify the configuration of terminal DT1 and configuration of the Internet interface software, e.g., the aforementioned Chameleon software, loaded in terminal DT1. In addition, IAS 200 assigns an Internet IP address to the call and stores the address in field 250-12.
- IAS 200 thereafter uses the address to route the subscriber's data messages (packets) to and from Internet 300 via a conventional data router, as will be discussed below. IAS 200 also stores the address of the communications path 150-1 (i.e., B channel) used to receive the call in field 250-13. The subscriber may then begin to access Internet 300 in a conventional manner.
- the communications path 150-1 i.e., B channel
- terminal DT1 formulates and transmits data packets addressed to Internet destinations indicative of entries/inquiries specified by the subscriber as a result of interacting with Internet 300 using the software loaded in terminal DT1 Similarly, IAS 200 routes via path 150-1 and TS 105 packets that it receives from the Internet and addressed to terminal DT1.
- an IAS 200 includes Central Processor Unit (CPU) 205, which may be, for example, the SPARC 10 workstation commercially available from Sun Microsystems, Inc.
- CPU 205 which operates under the control of the well- known UNIX operating system, communicates with the various elements forming the associated IAS 200 via so-called Attached Processor Interfaces (API) 220 and 230, and via local area network (LAN) 240
- Attached Processor Interfaces API 220 and 230
- LAN local area network
- Such elements include PBX 235 and Internet Access Unit (IAU) 255, in which PBX 235, may be, for example, the Definity telecommunications system available from AT&T and in which IAU 255 may be, for example, the Ascend MAX 4000 apparatus available from Ascend Communications, Inc.
- IAU Internet Access Unit
- PBX 235 and IAU 255 are designed to present an interface to a communication path comprising 23 B channels and one D channel, e.g., T1 carrier 150-10 and 150-11.
- Each such B channel may be used to establish a call connection between a telephone switch, e.g , TS 105, and the associated IAS 200.
- the D channel may be used to transport signaling information relating to a B channel call connection.
- TS 105 routes calls directed to Internet
- An IAS 200 includes conventional Voice Response Unit (VRU) 225 which may be, for example, the CONVERSANT interactive voice information system available from AT&T It also includes a conventional voice mail server (VMS) 265, for example, the AT&T AUDIX telecommunications voice processor, for voice mail and messaging As will be discussed below, VRU 225 and VMS 265 are connected to PBX 235 via respective communications paths 260 and 280.
- IAS 200 further includes an Internet Interface Unit (IIU) 215 for providing a physical as well as a logical interconnection between LAN 240 and Internet 300.
- IIU 215 includes a convention data router, for example, the mode! 7000 router available from Cisco Systems Inc., and a high-speed data service unit, for example, the DataSMART T3/E3 IDSU available from Kentrox of Portland, Oregon.
- IAU 255 responds to the incoming call by presenting the caller with a conventional login procedure. If the caller responds by entering the correct password (i.e., the password contained in field 250-4 of the associated record (FIG. 2), which lAU 255 also obtains as a result of communicating with processor 205 via LAN 240), then lAU 255 assigns a conventional IP address to the call as a way of interfacing the call (assigned B channel) with Internet 300 via IIU 215. (It is noted that for a conventional Internet access service arrangement, the subscriber is assigned a permanent IP address which would be stored in field 250-12 (FIG. 2) at the time that the subscriber obtains the service.) In addition, lAU 255 notifies processor 205 that it has completed the connection between terminal DT1 and Internet 300.
- the correct password i.e., the password contained in field 250-4 of the associated record (FIG. 2), which lAU 255 also obtains as a result of communicating with processor 205 via LAN 240
- processor 205 invokes the program of FIG. 4.
- Processor 205 checks (block 402) the contents of field 250-8 of the associated record 250 (FIG. 2) to determine if the caller subscribes to the inventive "Internet Call Waiting" (ICW) service. If not, then processor 205 exits the program. If so, then processor 205 checks (block 403) such contents to determine if the function is activated/deactivated remotely by IAS 200, in accord with an aspect of the invention.
- IGW Internet Call Waiting
- RAF Remote Access Call Forwarding
- a local exchange carrier e.g., Bell Atlantic by the service name of "Ultraforward" (service mark of Bell Atlantic), for a telephone call not involving the Internet.
- processor 205 block 405 unloads a telephone number that it needs to call to activate the call forwarding service from field 250-9, which number is assumed to be associated with CO 25.
- Processor 205 then instructs VRU 225 via API 220 to place an out-going call to CO 25.
- PBX 235 selects an idle channel of communications path 150-1 (FIG. 1) and sends a call set-up message via the associated signaling channel to TS 105, in which the message includes the telephone number unloaded from field 250-9.
- TS 105 in turn, translates the called telephone number into a routing indicator, and, in accord with that indicator, establishes a telephone connection in a conventional manner to the CO 25 call forwarding service.
- That service responds to the incoming call by interacting with VRU 225 (which executes a "script" that it receives from processor 205) to obtain the subscriber's telephone number (250-3) and RACF password (field 250-11).
- Processor 205 via VRU 225 and in response to the latter request, outputs the contents of field 250-10 to the telephone connection extending back to CO 25, which contents is a telephone number associated with communication path 150-10 (FIG. 3) that is used for receiving forwarded calls, as will be discussed below.
- CO 25 is primed during the time that station S1 is busy to forward a call directed to station S1 to IAS 200.
- Processor 205 then checks (block 406) to see if it had been successful in activating call forwarding, as noted by the receipt of a confirmation from VRU 255 indicating that it had successfully interacted with CO 25. If so, then processor 205 (block 408) sends a message indicating that the Internet call waiting function has been invoked, which terminal DT1 displays on its associated display. Processor 205 (block 404) then sets up to monitor for calls that are forwarded to IAS 200 as a result of the terminal DT1 subscriber's telephone line 10 being busy on the Internet. The processor 205 program then exits.
- processor 205 (block 407) sends a message to terminal DT1 for display thereat to identify the nature of the failure, which may be, for example, that CO 25 did not answer the out-going call or that VRU 255 received an error message from CO 25 after VRU 225 had transmitted the subscriber telephone number, subscriber RACF password or the forward-to telephone number.
- Processor 205 then exits the program. If the subscriber, in response to the displayed failure message, enters a request for an activation retry, in which the request may contain a corrected CO 25 RACF service telephone number or another password that is to be supplied to CO 25, then the processor program is entered at block 401 and proceeds to block 409. If the subscriber entered a valid request, and an error threshold has not been exceeded, then the
- J processor program returns to block 402. In doing so, the program unloads the associated record 250 from memory. If the subscriber does not enter a valid request or repeatedly fails to enter a correct password, then processor 205 transmits a help message (block 410) and exits.
- IAS 200 includes a plurality of voice signal processors (VSP) 245-1 through 245-j, one of which is illustrated in broad block diagram form, namely, VSP 245-1 (hereinafter just (VSP) 245).
- VSP 245 includes central processor unit (CPU) 248, telephone line interface (TLI) 246 and a connection to LAN 240.
- VSP 245 communicates with PBX 235 via a selected one of the paths 270, and communicates with processor 205, IIU 215 and lAU 255 via LAN 240.
- VSP 245, may be, for example, a personal computer having an Intel Pentium processor running under the Microsoft Windows 3.11 operating system, an Etherlink 10BASE-T LAN interface card available from 3Com Corporation of Santa Clara, Calif., and a V.34 Office F X (version 2.0) sound card having a telephone interface available from Spectrum Signal Processing, Inc. of Mountain View, California.
- VSP 245 interconnects conventional telephone signaling messages (e.g., D channel) and voice signals (e.g., B channel) received from PSN 100 via PBX 235 and path 270i with conventional TCP/IP packet network communications that is transported over Ethernet LAN 240 and Internet 300.
- a caller at station S2 places a call to station S1 , then a telephone connection is established in a conventional manner from the station S2 telephone line to CO 25 via CO 50, TS 110 and TS 105 (FIG. 1). Specifically, responsive to the receipt of the station S2 call, CO 25 determines that station S1 is busy and that call forwarding has been activated at station S1. As such, CO 25, in a conventional manner, directs the call to IAS 200 in accord with the call forwarding telephone number that CO 25 received as interacting with IAS 200 in the manner discussed above.
- CO 25 sends a message to TS 105 requesting a rerouting of the station S2 call and containing the IAS 200 telephone number as the destination for such rerouting.
- a message will typically contain the ANI of the called party (station S1) and may also contain the telephone number of the forwarded party, namely station S2.
- TS 105 in response to the receipt of the message, routes the call to its new destination - - IAS 200.
- TS 105 signals IAS 200 (PBX 235) that a call is being routed (forwarded) thereto via an idle B channel serving the particular call type, in which such signaling is transmitted over the associated D signaling channel.
- the signaling information that is transported over a D channel of path 150-10 includes, inter alia, the forward-to-number used by CO 25 and the ANI of station S1. Such information may also include the calling party telephone number (station S2).
- PBX 235 responsive to receipt of such information, sends a message identifying the newly-arrived call and containing information relating thereto to processor 205 via API 230.
- Processor 205 instructs PBX 235 to assign an idle VSP 245i to the call.
- PBX 235 alerts processor 205 to the incoming call and passes the station S2 telephone number (if available) as well as the station S1 ANI thereto.
- Processor 205 (block 501) in response to receipt of the latter number (ANI) uses the number to access its internal memory and unload a copy of the subscriber's record 250.
- processor 205 (block 507) does not answer the call and exits, thereby leaving it to the calling party and PBX 235 to terminate the call in a conventional manner. If, on the other hand, the contents of field 250-14, FIG. 2, indicates that the called subscriber is busy on the Internet, then processor 205 (block 502) forms an alerting message containing a "canned" announcement indicating, inter alia, (a) that a call is waiting, (b) telephone number of the waiting call (if available), and (c) call answering options, i.e., connect to voice mail, terminate call, or connect call, as mentioned above.
- a "canned" announcement indicating, inter alia, (a) that a call is waiting, (b) telephone number of the waiting call (if available), and (c) call answering options, i.e., connect to voice mail, terminate call, or connect call, as mentioned above.
- Processor 205 then assembles the message into one or more data packets each containing the assigned Internet IP address as the destination and supplies each such packet to IIU 215 via LAN 240.
- the data is then transported over the connection to CO 25, for transmission over analog telephone line 10 (FIG.1).
- terminal DT1 Upon receipt of the data, terminal DT1 displays the information characterized by the data, e.g., the aforementioned announcement, on the terminal DT1 display, thereby alerting the subscriber to the waiting call even though the subscriber's telephone line is connected to the Internet, in accord with an aspect of the invention.
- processor 205 waits for receipt of a response/answer from the alerted subscriber, as represented by the dashed line in FIG. 5.
- processor 205 receives the expected response via path 150-11 , then processor 205 (block 504) checks to see if the subscriber elected to answer the forwarded call. If so, then processor 205 (block 505) directs VSP 245 (i.e., TLI 246 and CPU 248) to answer the call.
- VSP 245 i.e., TLI 246 and CPU 248, transmits an answer supervision signal over path 2701.
- PBX 235 sends an answer supervision signal for the forwarded call to the toll switch via the D channel of path 150- 10.
- Processor 205 then sets up to bridge the calling party to the subscriber via VSP 245, LAN 240 and lAU 255. Such "bridging" is established between VSP 245 and lAU 255 via LAN 240 and IIU 215 router as a conventional data packet communications.
- Processor 205 unloads from memory 250 (i.e., field 250-7, Fig. 2) information identifying the type of packet voice software that is loaded in the subscriber's terminal DT1.
- Processor 205 then instructs processor 248 (VSP 245) to invoke the aforementioned VocalTec software (or other software that performs a similar function) that is designed to process a telephone call that is to be transported over the Internet 300.
- the CPU 248 software returns a response to processor 205 acknowledging its instruction to receive and transmit packets from and to the IP address previously assigned to the subscriber's Internet connection via access unit 255.
- the assigned VSP245TLI 246 supplies voice signals that it receives from the calling party to CPU 248 as a conventional data stream.
- CPU 248, collects the signals and forms them into packets in accordance with the aforementioned VocalTec software, which attaches to each such packet the IP address assigned to the subscriber's connection.
- CPU 248 then presents the packet to LAN 240 and IIU 215, which in turn routes the packet in a conventional manner to the LAN 240 port connected to access unit 255.
- Unit 255 transmits the data packet as well as any other packets received from Internet 300 and addressed to DT1 over the B- channel assigned to the subscriber's connection.
- data terminal DT1 may be, for example, a personal computer running under the Microsoft Windows operating system and driven by, for example, the Intel Pentium processor.
- Terminal DT1 also includes a conventional sound card, such as the UltraSound MAX sound card available from Gravis Computer Technology of Bellingham, WA., as well as attached speakers and microphone.
- conventional software packages such as the aforementioned Chameleon software and Internet Phone software, version 3.0, also available from
- VocalTec are loaded in terminal DT1.
- a conventional modem interfaces terminal DT1 with telephone line 10.
- terminal DT1 When terminal DT1 receives packets via line 10, the Internet software running on the subscriber's terminal DT1 examines each such packet to determine if it contains voice signals or information originating from the Internet. If the former, then the "Internet Phone" software reassembles the voice signal from a series of received packets, as is done conventionally, and then presents the result to the terminal DT1 sound card which causes the signals to be routed to the terminal DT1 loudspeaker for presentation to the subscriber.
- Internet information on the other hand, is identified and processed in a background mode for display on the terminal DT1 display.
- Terminal DT1 When the subscriber talks into the terminal DT1 microphone, the resulting voice signals are converted into a series of packets by the sound card and accompanying software. Terminal DT1 then outputs the packets via the terminal DT1 modem to line 10 for transmission to IAS 200 via CO 25 and PSN 100. In doing so, terminal DT1 software inserts an address in each such packet so that the packet may be routed to the originator of the call, as is done conventionally in the transmission of a voice packet in telephony. Each packet that IAS 200 receives from terminal DT1 is transported via lAU 255 and LAN 240 to IIU 215 which then routes the packet to either Internet 300 or VSP 245 based on the destination address contained in the packet.
- the VSP 245 port that receives the packet unloads the payload and passes it to the packet voice software that CPU 248 is executing. That is, CPU 248 converts a series of voice packets into a digital voice signal, which TLI 246 then supplies to PBX 235 via path 270. PBX 235, in turn, transmits the voice signal over path 150-10 during the assigned B channel to TS 105, which retransmits the signal to station S2 by way of CO 50. The call waiting party and Internet connected subscriber may continue to communicate with one another in this manner, until the call is terminated.
- the subscriber may elect to have the station S2 call forwarded to voice mail server 265 (FIG. 3). If processor 205 (block 508, FIG. 5) receives that option from the subscriber, then processor 205 directs PBX 235 to interrupt the (unanswered) connection between path 150-10 and VSP 245, and to redirect the station S2 incoming call on path 150-10 to voice mail service (VMS) 265 as represented by block 509, FIG. 5. At that point, VMS 265 transmits an announcement to the calling party and presents the calling party with the option to leave a voice message for the called subscriber. The calling party may then interact with VMS 265 in a conventional manner to exercise the option or immediately terminate the call.
- VMS voice mail service
- terminal DT1 When terminal DT1 receives a data message encoded in analog form via its internal modem and telephone line 10, the modem converts the encoded analog signal to a digital signal, which is then accumulated to form a message. If the message represents the aforementioned call waiting message, then terminal DT1 invokes the program of FIG. 6 to process the message. Specifically, the DT1 program (block 601) causes the terminal DT1 hardware to generate and output via the terminal loudspeaker(s) a tone that simulates an alerting signal, e.g., a ringing signal. The program (block 602) then displays the option message along with the calling telephone number. If the subscriber selects one of the displayed options, then the program checks to see if the entered option is to answer the call (block 603).
- the DT1 program (block 601) causes the terminal DT1 hardware to generate and output via the terminal loudspeaker(s) a tone that simulates an alerting signal, e.g., a ringing signal.
- the program
- the program (block 604) prepares to execute the aforementioned VocalTec Internet Phone software that allows the subscriber to place and/or receive a voice call via the Internet by storing in associated memory the IP address of VSP 245 contained in the message sent by IAS 200 (processor 205).
- the terminal DT1 program (block 605) then forms a response to answer the call and then (block 606) transmits the response to IAS 200.
- the program (block 607) checks to see if the subscriber wants the call to be routed to a voice mail service. If that is the case, then the program (block 608) forms a voice-mail response and proceeds to block 606.
- Fig. 7 illustrates in flow chart form the program that a terminal, e.g., terminal DT1 , may invoke to place a telephone call to an IAS 200i, e.g., IAS 200, for the purpose of establishing a connection to the Internet.
- IAS 200i e.g., IAS 200
- such software may be any one of a number of different commercial software products that are designed to allow a user to interact with the Internet, for example, the aforementioned Chameleon software.
- the terminal program when invoked it unloads (block 701) from internal memory a data record containing the telephone number that the caller uses to access the Internet.
- the program places a call to that telephone number and then waits for receipt of a response from the called IAS, e.g., IAS 200.
- the program sets up to "login" into the called IAS as is done conventionally by transmitting a requested password. If the login is successful (block 703), the terminal application program that is loaded when the subscriber establishes the Internet session, sends a message to processor 205 indicating that it can receive a call alert message. If processor 205 receives that message, then it updates the contents of field 250-14 (FIG. 2) to indicate that the user may receive call alert messages. The program then exits. If the login is not successful, then the caller/subscriber may re-enter his/her password (block 702). It is noted that IAS 200 may terminate the call if the caller fails to enter a valid password after making several attempts to do so.
- the program If the program receives a message requesting new ICW information, then the program is re-entered (block 705) and displays the IAS request. If the caller/subscriber enters via, e.g., the terminal DT1 keyboard, such new information, then the program (block 706) checks the entry to see if it corresponds with the IAS request. If not, then the program exits Otherwise, the program forms a message containing the entry (block 707), updates (block 708) the associated data record to include the new entry (e.g., the correct RACF password), transmits (block 709) the message to the IAS and then exits. Thereafter, when the program receives a message from IAS 200 indicating that RACF has been activated, then the program (block 710) displays that event and then exits.
- the program If the program receives a message from IAS 200 indicating that RACF has been activated, then the program (block 710) displays that event and then exits.
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Abstract
Description
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Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA002210945A CA2210945C (en) | 1995-11-27 | 1996-11-25 | Call notification feature for a telephone line connected to the internet |
EP96942792A EP0806104A1 (en) | 1995-11-27 | 1996-11-25 | Call notification feature for a telephone line connected to the internet |
JP52055897A JP4132075B2 (en) | 1995-11-27 | 1996-11-25 | Call notification function for telephone lines connected to the Internet |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/562,678 US5805587A (en) | 1995-11-27 | 1995-11-27 | Call notification feature for a telephone line connected to the internet |
US08/562,678 | 1995-11-27 |
Publications (1)
Publication Number | Publication Date |
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WO1997020424A1 true WO1997020424A1 (en) | 1997-06-05 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US1996/018710 WO1997020424A1 (en) | 1995-11-27 | 1996-11-25 | Call notification feature for a telephone line connected to the internet |
Country Status (5)
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US (1) | US5805587A (en) |
EP (1) | EP0806104A1 (en) |
JP (1) | JP4132075B2 (en) |
CA (1) | CA2210945C (en) |
WO (1) | WO1997020424A1 (en) |
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WO1999014924A1 (en) * | 1997-09-12 | 1999-03-25 | Genesys Telecommunications Laboratories, Inc. | Internet call waiting |
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Also Published As
Publication number | Publication date |
---|---|
JP4132075B2 (en) | 2008-08-13 |
CA2210945A1 (en) | 1997-06-05 |
JPH10513632A (en) | 1998-12-22 |
CA2210945C (en) | 2002-03-19 |
US5805587A (en) | 1998-09-08 |
EP0806104A1 (en) | 1997-11-12 |
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