WO2002054741A2 - System and method for audio caller identification service - Google Patents
System and method for audio caller identification service Download PDFInfo
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- WO2002054741A2 WO2002054741A2 PCT/US2001/042421 US0142421W WO02054741A2 WO 2002054741 A2 WO2002054741 A2 WO 2002054741A2 US 0142421 W US0142421 W US 0142421W WO 02054741 A2 WO02054741 A2 WO 02054741A2
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- WIPO (PCT)
- Prior art keywords
- telephone station
- call
- control point
- service control
- information associated
- 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
- H04M3/487—Arrangements for providing information services, e.g. recorded voice services or time announcements
- H04M3/4872—Non-interactive information services
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/0016—Arrangements providing connection between exchanges
- H04Q3/0029—Provisions for intelligent networking
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/72—Finding out and indicating number of calling subscriber
- H04Q3/74—Identification of subscriber calling from a party-line
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M2207/00—Type of exchange or network, i.e. telephonic medium, in which the telephonic communication takes place
- H04M2207/12—Type of exchange or network, i.e. telephonic medium, in which the telephonic communication takes place intelligent networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M2242/00—Special services or facilities
- H04M2242/22—Automatic class or number identification arrangements
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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
- H04M3/42025—Calling or Called party identification service
- H04M3/42034—Calling party identification service
- H04M3/42042—Notifying the called party of information on the calling party
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
- H04Q2213/13091—CLI, identification of calling line
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
- H04Q2213/13256—Call screening
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
- H04Q2213/13345—Intelligent networks, SCP
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
- H04Q2213/13377—Recorded announcement
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
- H04Q2213/13378—Speech recognition, speech analysis
Definitions
- the present invention relates to the field of telecommunications. More particularly, the present invention relates to telephone caller identification systems.
- the ALN evolved out of a need to increase the capabilities of the telephone network architecture in order to meet the growing needs of telephone customers or users.
- the ALN architecture generally comprises two networks, a data messaging network and a circuit-switched, trunked communications network.
- the trunked communications network handles voice and data commumcations between dispersed network locations, whereas the data messaging network is provided for controlling operations of the trunked communications network.
- Calling Number Identification and "Caller ID" are common names for ALN subscriber services that identify the telephone line from which an incoming call originates.
- Caller ID provides the called party with a visual alphanumeric display of the calling party's name and/or telephone number on a Caller Line Identity Display (CLID).
- CLID Caller Line Identity Display
- mobile phone users pay for mobile phone usage including incoming calls.
- mobile phone users are likely to subscribe to Caller LD services, such as calling number LD and caller name ID to screen incoming calls, if such a service is available.
- Mobile phone users who subscribe to Caller TD may find it difficult to read the visual calling name/number data on the cellular phone display, especially while involved in other activities, such as driving.
- Traditional wired telephone users as well may find it useful to have an audio caller identification service. Persons who have vision difficulties or who have to keep their eyes on what they are doing may find an audio caller identification system extremely helpful.
- a customer with a cordless phone or several handsets may find it inconvenient to go to the location of a CLLD, which may be in another room, to see who is calling. Such users may find it more convenient to receive Caller ID information audibly at the telephone handset.
- the calling number information displayed on the CLLD is incorrect. Rather than displaying the number from which the call was placed, the CLLD displays the number of the services node used to complete the call. It would be a great advantage if the correct information would be displayed on the CLLD for those who subscribe to both visual and audio Caller TD.
- the present invention is directed to an improved audio Caller ID system.
- the present invention is directed to remedying both the truncation of identification information and the incorrect display of the calling party number on the CLLD.
- the aforementioned need is satisfied by a system that is employed in combination with an ALN-based telephone network having a service control point (SCP), a database of information associated with the SCP, in which the database includes at least 50 characters of data for customer name, and a services node (SN).
- SCP service control point
- SN services node
- the audio Caller ID service is initiated when a calling party calls a subscriber to the service. The calling party hears normal ringing while the service places a second call to the called party. When the called party answers the telephone, the service provides an audible announcement containing information regarding the calling party such as the calling party's name, city and state, or the calling party's telephone number. If the called party accepts the call, the parties are connected.
- the call may be forwarded to the called party's voicemail or the ringing signal may be continued at the calling party handset until a ring timer expires.
- a nationwide customer name database structure comprised, for example, of interconnected regional databases, could be utilized, making it possible to announce any caller's name within the United States.
- Fig. 1 illustrates, in a general block diagram form, an Advanced Intelligent Network (ALN) based system for implementing intelligent network management features, such as those which may be employed in connection with the present invention
- Fig. 2 is a flowchart of a process for providing audio caller information in accordance with an aspect of the present invention.
- APN Advanced Intelligent Network
- FIG. 1 there is shown an exemplary telecommunication network.
- This exemplary environment is the public switched telecommunications network (PSTN).
- PSTN public switched telecommunications network
- a portion of the PSTN is illustrated in Fig. 1 and is generally described below.
- systems and methods for audio caller identification may be implemented for an AIN or AIN-type network using a computer telephony system.
- AIN systems are described in U.S. Patent No. 5,701,301, which is incorporated herein by reference in its entirety.
- an AIN network with advanced intelligent network capabilities may be utilized to implement the various features and aspects of the invention. It should be noted, however, that the implementation of the present invention is not limited to ALN-based networks and other advanced or intelligent networks and arrangements may be used to implement the invention.
- Fig. 1 illustrates a simplified ALN-based network arrangement incorporating the various features of the invention, as further described below.
- the AIN includes a variety of interconnected network elements.
- a group of such network elements includes a plurality of central offices (COs) 114, 116 capable of generating AIN queries, also called service switching points (SSPs).
- COs central offices
- SSPs service switching points
- a central office or SSP is a switch and the terms are used interchangeably herein.
- SSPs 114 and 116 may comprise, for example DMS100 or 5ESS switches. These switches may be manufactured by, for example, Lucent Technologies, Inc. or Nortel Networks.
- SSPs 114, 116 have a plurality of subscriber lines 111 connected thereto.
- Each SSP serves a designated group of subscriber lines, and thus, the SSP 114 or 116 that serves a particular line may be referred to as its serving switch.
- Each line is connected typically to a piece of terminating equipment including a plurality of telephones designated, e.g., as 110, 112.
- telephones are illustrated as the pieces of terminating equipment in Fig. 1, those skilled in the art will understand that such pieces include other telecommunications devices such as facsimile machines, computers, modems, etc.
- the system includes a first telephone station which for illustrative purposes will be referred to as telephone station 110 and a second telephone station 112.
- SSPs 114, 116 are interconnected by a plurality of trunk circuits 120. These are the voice path trunks that interconnect the SSPs to connect communications.
- Trunk 120 may be either a SS7 controlled multi-frequency trunk (MF), or primary rate interface (PRI) trunk and the type of trunk will be in accordance with both the sending and receiving SSP to which it is connected.
- MF multi-frequency trunk
- PRI primary rate interface
- each switch may include different types of facilities and/or triggers.
- SSPs 114 and 116 are each programmable switches which may perform the following functions: recognize AIN-type calls, launch queries to service control point (SCP) 118, and receive commands and data from, for example, SCP 118 to further process and route AIN-type calls.
- SCP service control point
- SSPs 114, 116 When one of SSPs 114, 116 is triggered by an AIN-type call, the triggered SSP 114, 116 formulates and sends an AIN query.
- SSP 114, 116 responds to call processing instructions from the network element in which the AIN service logic resides.
- the AIN service logic may reside at SCP 118.
- Each of SSPs 114, 116 is connected to a signal transfer point (STP) 121 via respective data links 150, 152.
- STP signal transfer point
- these are data links employing a signaling protocol referred to as Signaling System 7 (SS7), which is well-known to those skilled in the art, although it should be understood that any other suitable protocol could be employed without departing from the spirit and scope of the invention.
- SS7 Signaling System 7
- each SSP 114, 116 may be equipped with Common Channel Signaling (CCS) capabilities, e.g., SS7, which provides two-way communications of data messages over CCS links 150 and 152 between components of the AIN network.
- CCS Common Channel Signaling
- the data messages may be formatted in accordance with the Transaction Capabilities Applications Part (TCAP).
- TCAP Transaction Capabilities Applications Part
- ISDN Integrated Service Digital Network
- ISUP Integrated Service Digital Network, (ISDN) Users Part
- SSPs 114 and 116 may be equipped with the capability to map appropriate data between TCAP and ISUP protocols, and vice versa.
- the telephone network essentially employs an upper-level software controlled network through the STPs 121 and SCPs 118.
- AIN SSPs 114 and 116 may allow normal switch processing to be suspended at specific points in a call so that the switch may send an AIN message query via signaling transfer point (STP) 121 to SCP 118.
- SCP 118 may execute software based service logic and return call-processing instructions to the triggering AIN SSP. New services may be provisioned by assigning AIN SSP triggers to customer lines, trunks, and/or North American Numbering Plan (NANP) telephone numbers.
- NANP North American Numbering Plan
- Much of the intelligence of the ALN resides in a type of AIN element referred to as a service control point (SCP) 118 that is connected to STP 121 over an SS7 or other suitable data link 156.
- SCP service control point
- SCP 118 Among the functions performed by SCP 118 is the hosting of network databases which may be stored in database object 124.
- Database object 124 is shown as a database communicatively coupled to SCP 118, although data storage object 124 may be embodied as a component within SCP 118, such as an internally-mounted hard disk device.
- the databases stored in data storage object 124 may be used in providing telecommunications services to a customer.
- SCP 118 is also the repository of service package applications (SPAs) that are used in the application of telecommunications services, enhanced features, or subscriber services to calling lines. Additionally, SPAs may use databases for providing telecommunication services.
- SPAs service package applications
- a set of triggers may be defined at SSPs 114, 116.
- a trigger in the AIN is an event associated with a particular call that initiates a query to be sent to SCP 118.
- the trigger may cause SCP 118 to access processing instructions with respect to the particular call.
- the results of processing at SCP 118 which may include database inquiries, are sent back to SSP 114, 116 through STP 121.
- the return packet may include instructions to SSP 114, 116 as to how to process the call.
- the instructions may be to take some special action as a result of a customized calling service, enhanced feature, or subscriber service.
- SSP 114, 116 may move through its call states, and generate further packets that are used to set up and route calls. Similar devices for routing calls among various local exchange carriers are provided by regional STP and regional SCP.
- a termination attempt trigger (TAT)
- PODP Public Office Dialing Plan
- SCN services circuit node
- SN 134 is a programmable interactive data system that can act as a switch to transfer calls. SN 134 may provide interactive help, collect voice information from participants in a call, provide notification functions and/or store subscriber data.
- SN 134 may be a Lucent Technologies Star Server FT Model 3200 or Model 3300 although other units may be employed without departing from the scope of the invention.
- SN 134 may include voice and dual multi-frequency (DTMF) signal recognition devices and voice synthesis devices.
- SN 134 may include a data assembly interface.
- SN 134 may request SCP 118 to retrieve information from database 124 containing information concerning calling party 110, may receive information from SCP 118, may make outgoing calls to subscriber station 112, may convert alphanumerical textual data to speech, may announce converted information retrieved from SCP 118 to subscriber station 112 and/or may connect telephone station 110 to subscriber station 112.
- Communications link 154 between SSP 116 and SN 134 may be a primary rate interface (PRI) or basic rate interface (BRI) line or any other suitable telephone line.
- PRI and BRI lines are circuit-switched ISDN lines.
- SN 134 and network 170 may be communicatively coupled via data link 162 using an X25, TCP/IP or SS7 protocol or any other suitable protocol.
- connections by links 150, 152, 156, 158 and 162 are for signaling purposes and allow SSPs 114 and 116 to send and receive messages to and from SCP 118 and SN 134.
- SSPs 114 and 116 For purposes of illustration, various features of the present invention will now be described from the standpoint of a switch implementing ALN protocols, provisioned with TAT (termination attempt trigger), or PODP (public office dialing plan) triggers.
- TAT termination attempt trigger
- PODP public office dialing plan
- the present invention is not limited to implementation through these particular triggers and protocols and may be designed and provisioned with a network utilizing other triggers and protocols.
- SSP 114 and/or 116 may represent a TCP/IP telecommunications switching network gateway.
- a telephone network is a simplified network meant for explanatory purposes. It is likely that a telephone network may comprise numerous user stations, SSPs, STPs, SCPs, and SNs along with other telephone network elements.
- telephone station 110 (the calling party) having for example telephone number (215) 555-9999, places a call to subscribing station 112, (the called party).
- SSP 114 halts processing and sends a message to SCP 118, requesting instructions.
- the message contains Caller ID information concerning telephone station 110 including the telephone number of telephone station 110, (215) 555-9999.
- SCP 118 instructs SSP 114 to route the call to an incoming line (for example, (215) 555-0001) of a services node SN 134.
- SN 134 places a call through an outgoing line (for example, (215) 555-0002) to the called party.
- SSP uses (215) 555-0002 as the calling number.
- the SN 134 When subscriber station 112 (called party) answers the call, the SN 134 announces the 15-character identification information retrieved from a database containing 15 characters of textual data. SN 134 translates the 15 characters of textual data to speech using well-known text-to-speech conversion processes. Because the call was placed by SN 134, the telephone number displayed on the Caller Line Identity Display (CLID) will be the number of the outgoing line of SN 134, (215) 555-0002, instead of the number of telephone station 110 (the calling party), (215) 555-9999.
- CLID Caller Line Identity Display
- a system for providing an improved audio caller identification service within the AIN or AIN-type environment is provided.
- Requests for calling party information such as caller identification are served by the AIN telephone network such that a called party that subscribes to the audio caller identification service will hear an audible announcement containing information associated with the calling party and is provided with an opportunity to accept or reject the call before the comiection with the calling party is made.
- the Audio Caller ID service checks the call route and the availability of connection. If the called number is inactive or busy, the appropriate treatment is applied (e.g., announcement, voice mail or busy tone). If the called number is a landlme number, SCP 118 queries the destination switch to determine the state of the line. If the called number is a wireless number, a wireless protocol including but not limited to TIA/EIA- 41 or GSM may be used to send a message to the wireless network to determine the state of the wireless handset. If the called number is unavailable the call is completed, allowing the destination switch 116 to provide the correct announcement or tone. If the called number is active or available, telephone station 110 (the calling party) begins to hear normal ringing.
- the appropriate treatment e.g., announcement, voice mail or busy tone.
- SCP 118 queries the destination switch to determine the state of the line. If the called number is a wireless number, a wireless protocol including but not limited to TIA/EIA- 41 or GSM may be used to send a message to the
- a Custom Dialing Plan (CDP) or Feature Code trigger causes the correct calling number (the telephone number of telephone station 110), to replace the number of SN 134 ((215) 555-0002, in the example) that in existing systems would be displayed on a Caller Line Identity Display (CLID).
- CDP Custom Dialing Plan
- Feature Code trigger causes the correct calling number (the telephone number of telephone station 110), to replace the number of SN 134 ((215) 555-0002, in the example) that in existing systems would be displayed on a Caller Line Identity Display (CLID).
- CDP Caller Line Identity Display
- the telephone number of telephone station 110 (the calling party) will be displayed on the CLLD for subscribers of both visual Caller TD and Audio Caller ID.
- U.S. Patent Number 5991377 titled “System and Method for Manipulating Data Fields in a Call Structure for Synchronizing Billing Information and Retaining Original Calling Party Information," filed 11/23/99
- U.S. Patent Application Number 09/468888 titled “Method and System for Providing Calling Number Restoral", filed 12/22/99, which are herein incorporated by reference, can be reviewed.
- the Audio Caller Identification system is initiated when a caller calls a wireless or landline subscriber.
- the service first checks to determine whether the called number is inactive or busy, in which case the appropriate treatment is applied, for example.
- SCP 118 Upon determining that subscriber station 112 is available, SCP 118 instructs SSP 114 to route the call to SN 134 and telephone station 110 receives a ringing signal.
- Information associated with telephone station 110 (the calling party) in a preferred embodiment is retrieved from a database 124 stored on or associated with SCP 118.
- Database 124 comprises data such as, but not limited to, customer name. Customer name, or other data, such as, but not limited to, pronunciation codes or wave files can be at least 50 characters in length or the equivalent thereof.
- subscribing station 112 Upon retrieval of data associated with telephone station 110, subscribing station 112 receives a ringing signal.
- SN 134 When subscribing station 112 answers the call, SN 134 audibly announces information associated with telephone station 110 (the calling party) to subscriber station 112 (the called party). Subscriber station 112 (the called party) receives an audible message asking for a response and is provided with an opportunity to accept or reject the call. If subscriber station 112 (the called party) elects to accept the call, SN 134 connects telephone station 110 (the calling party) with subscriber station 112 (the called party).
- SN 134 directs the call to a voice mailbox of subscriber station 112 or, if subscriber station 112 has no voice mailbox, telephone station 110 continues to receive a ringing signal until a ring timer expires, at which time the call is ended (terminated).
- the Audio Caller ID service checks the call route and the availability of connection. If the called number is inactive or busy, the appropriate treatment is applied (e.g., announcement, voice mail or busy tone). If the called number is a landline number, SCP 118 queries the destination switch to determine the state of the line.
- a wireless protocol including but not limited to TIA/EIA- 41 or GSM may be used to send a message to the wireless network to determine the state of the wireless handset. If the called number unavailable the call is completed, allowing the destination switch 116 to provide the correct announcement or tone. If the called number is active or available, telephone station 110 (the calling party) begins to hear normal ringing.
- the call flow for the audio caller identification service begins when, at step 300, an operator at telephone station 110 (the calling party) places a call to subscriber station 112 (the called party). The call is routed over the telephone network via normal procedures.
- SSP 114 detects the request for the audio caller identification service and suspends the call.
- SSP 114 initiates a query associated with the audio caller identification service.
- the query is routed to SCP 118 via STP 121.
- the query is directed to identifying a services node (SN) to handle the audio caller identification request.
- the selection of an SN to handle the request is determined based upon the identity of the subscriber station 112 (the called party). Accordingly, the query contains information identifying telephone station 110 (the calling party) and subscriber station 112 (the called party).
- SCP 118 receives the query and at step 318, SCP 118 responds to the query by launching an instance of a logic program that is referred to herein as a service package application (SPA).
- SPA queries database 124 located at SCP 118 using the information contained in the query. Specifically, the application uses the information identifying telephone station 112 to resolve which services node will handle the audio caller identification request.
- Database 124 at SCP 118 designates SN 134 as responsible for handling the call.
- SCP 118 transmits instructions for handling the audio caller identification request to SSP 114.
- the instructions include information that identifies SN 134 as responsible for handling the audio caller information service.
- SCP 118 instructs SSP 114 to route the call to a Multi Line Hunt Group (MLHG) number or Access Dial Number (DN), for example line (215) 555-0001 on SN 134.
- MLHG Multi Line Hunt Group
- DN Access Dial Number
- SSP 114 routes the call to SSP 116 and SSP 116 routes the call to SN 134. At this point a ringing signal is heard at telephone station 110 (the calling party).
- Routing from SN 114 to SN 134 is based on services node information sent by SCP 118.
- SN 134 accepts the call from SSP 110, placing SN 134 in communication with telephone station 110 (the calling party) and sends a message to SCP 118 using X-25, SS7 or TCP/IP protocols to retrieve information associated with telephone station 110 (the calling party).
- the SCP attempts to retrieve information contained in a CNAM (Customer Name) database 124 associated with SCP 118.
- Database 124 may contain 50 characters of data or more associated with telephone station 110. If, at step 326, the retrieval is successful (information associated with the telephone number of the calling party 110 is found in database 124), SCP 118 sends the retrieved information to SN 134 at step 330.
- SCP 118 sends a request to other SCPs 140 over communications network 150 for information associated with telephone station 110. If information is retrieved from SCPs 140, the retrieved information is sent to SN 134 at step 330. A call from a calling party for which no information is available may be announced as "unknown number.” A call from a private (i.e. blocked) number may be announced as "private number.”
- SCP 118 instructs SSP 116 to complete the call.
- SSP 116 instructs SN 134 to make the call.
- SN 134 makes an outgoing call, preferably on line (215) 555-0002 to subscriber station 112.
- SCP 118 may query Home Location Register (HLR) to determine called party status, if the called party is a wireless number.
- HLR Home Location Register
- SN 134 converts information (data) received from SCP 118 to audible signals and broadcasts an audible announcement to subscriber station 112 (the called party) relaying the information associated with telephone station 110 (the calling party) and asking the subscriber station 112 (the called party) to accept or reject the call.
- SN 134 may employ computer-generated text-to-speech conversion routines or in an alternate, embodiment, pre-recorded sound files or other suitable files may be played.
- the announcement further provides directions as to how to accept or reject the call.
- the announcement may direct an operator of subscribing station 112 to "press any key to accept the call.”
- operator of subscribing station 112 may be directed to "press the 'end' or 'power off button to reject the call” if the telephone is a wireless phone.
- An audio calling name landline subscriber may be instructed to hang up the telephone to reject the call.
- Failure to press any key may be defined as a tacit indication of acceptance of the call. In an alternate embodiment, failure to press any key within a desired time may result in rejection of the call.
- SN 134 connects telephone station 110 (the calling party) and subscriber station 112 (the called party).
- a call transfer function is employed in which case SN 134 signals to SSP 114 to transfer call 1 (the call from telephone station 110 to subscriber 112 that was routed to incoming line (215) 555-0001 of SN 134) to call2 (outgoing line (215) 555- 0002 of SN 134 to subscriber station 112) so that telephone station 110 is connected to subscriber station 112, freeing up SN 134 for further calls.
- two ports (incoming and outgoing lines) of SN 134 are tied up to maintain the connection between telephone station 110 and subscriber station 112.
- step 336 If at step 336, a response is received at SN 134 from subscriber station 112 (the called party) rejecting the call, at step 340 the call is routed to the subscriber station 112's voicemail or if subscriber station 112 has no voicemail, telephone station 110 continues to hear a ringing signal until a ring timer expires, at which time the call ends.
- databases distributed over multiple SNs contain data of at least 50 characters per field.
- SN 134 checks to see if its resident database contains infonnation concerning the calling party, and if information concerning the calling party is found, that information is retrieved and announced. If no information concerning the calling party is found on a database at SN 134, SN 134 accesses SCP 118 through communications link 162 to retrieve the information as previously described.
- the present invention provides a system for audio calling party identification of information associated with a calling party.
- a subscriber to the service Upon receipt of a call, a subscriber to the service receives an audible announcement of information about the calling party. The subscriber may accept or reject the call based the received information.
- the system frees persons from having to consult a CLLD or other visual display to identify the calling party.
- a function such as a database query is attributed to a network element such as an SSP, such query may be performed alternatively or additionally by an STP or SCP or by any other network element without departing from the spirit and scope of the invention.
Abstract
Description
Claims
Priority Applications (1)
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AU2001295095A AU2001295095A1 (en) | 2000-12-28 | 2001-09-28 | System and method for audio caller identification service |
Applications Claiming Priority (2)
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US09/749,869 US7388949B2 (en) | 2000-12-28 | 2000-12-28 | System and method for audio caller identification service |
US09/749,869 | 2000-12-28 |
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WO2002054741A2 true WO2002054741A2 (en) | 2002-07-11 |
WO2002054741A3 WO2002054741A3 (en) | 2003-03-13 |
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Also Published As
Publication number | Publication date |
---|---|
WO2002054741A3 (en) | 2003-03-13 |
US7388949B2 (en) | 2008-06-17 |
AU2001295095A1 (en) | 2002-07-16 |
US20020085687A1 (en) | 2002-07-04 |
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