The present invention is in the area of software application development and pertains particularly to methods and apparatus for auto harvesting template-based web content using a VXML-enabled voice portal system.
A speech application is one of the most challenging applications to develop, deploy and maintain in a communications (typically telephony) environment. Expertise required for developing and deploying a viable application includes expertise in computer telephony integration (CTI) hardware and software, voice recognition software, text-to-speech software, and speech application logic.
With the relatively recent advent of voice extensive markup language (VXML) the expertise require to develop a speech solution has been reduced somewhat. VXML is a language that enables a software developer to focus on the application logic of the voice application without being required to configuring underlying telephony components. Typically, the developed voice application is run on a VXML interpreter that resides on and executes on the associated telephony system to deliver the solution.
As is shown in
Firstly, a new application database (113) is created or an existing one is modified to support VXML. Application logic 112 is designed in terms of workflow and adapted to handle the routing operations of the IVR system. VXML pages, which are results of functioning application logic, are rendered by a VXML rendering engine (111) based on a specified generation sequence.
Secondly, an object facade to server 130 is created comprising the corresponding VXML pages and is sent to server 130 over a network (120), which can be the Internet, an Intranet, or an Ethernet network. The VXML pages are integrated into rendering engine 111 such that they can be displayed according to set workflow at server 110.
Thirdly, the VXML-telephony server 130 is configured to enable proper retrieval of specific VXML pages from rendering engine 111 within server 110. A triggering mechanism is provided to server 110 so that when a triggering event occurs, an appropriate outbound call is placed from server 110.
A VXML interpreter (131), a voice recognition text-to-speech engine (132), and the telephony hardware/software (133) are provided within server 130 and comprise server function. In prior art, the telephony hardware/software 130 along with the VXML interpreter 131 are packaged as an off-the-shelf IVR-enabling technology. Arguably the most important feature, however, of the entire system is the application server 110. The application logic (112) is typically written in a programming language such as Java and packaged as an enterprise Java Bean archives The presentation logic required is handled by rendering engine 111 and is written in JSP or PERL.
An enhanced voice application system is known to the inventor and disclosed in the U.S. patent application entitled “Method and Apparatus for Development and Deployment of a Voice Software Application for Distribution to one or more Application Consumers” to which this application claims priority. That system uses a voice application server that is connected to a data network for storing and serving voice applications. The voice application server has a data connection to a network communications server connected to a communications network such as the well-known PSTN network. The communication server routes the created voice applications to their intended recipients.
A computer station is provided as part of the system and is connected to the data network and has access to the voice application server. A client software application is hosted on the computer station for the purpose of enabling users to create applications and manage their states. In this system, the user operates the client software hosted on the computer station in order to create voice applications through object modeling and linking. The applications, once created, are then stored in the application server for deployment. The user can control and manage deployment and state of deployed applications including scheduled deployment and repeat deployments in terms of intended recipients.
The system described above is quite advantageous in that a developer using the system need not be highly skilled in VXML language compilation, database programming, or advanced server design. Moreover, the system substantially reduces the amount of time allotted to project development. Still further, the system supports changes or modifications performed by anyone other than the developer without having to depend on the original author (because of his or her experience) to debug or make changes.
With the advent of the well known Internet network and growing technology to bridge two disparate networks such as the Internet and a PSTN network, the present inventors have concluded that Web data from Web sites should be a target data set for harvesting and conversion into a voice application that could then be routed to one or more users.
What is therefore clearly needed is a VMXL interface to a Web server that is capable of harvesting data from individual Web sites hosted on the server.
In a preferred embodiment of the present invention a system for developing and deploying a voice application using Web-based data as source data over a communications network to one or more recipients is provided, comprising a voice application server connected to a data network for storing and serving voice applications, the voice application server capable of accessing a network server and Website hosted therein, a network communications server connected to the data network and to the communications network for routing the voice applications to their intended recipients, a computer station connected to the data network having control access to at least the voice application server, the computer station capable of accessing the network server and Website hosted therein, and a software application running on the computer station for creating applications and managing their states. The system is characterized in that a developer operating the software application from the computer station accesses the target server and Website and creates at least one template for holding Web data according to logical order of site construction and links the templates to voice applications created by object modeling and linking, whereupon according to a triggering event, the triggered voice application accesses the intended Website and retrieves refreshed data from the site into the template and renders the retrieved data as voice delivered to intended recipients.
In a preferred embodiment the data network is the Internet network. Also in a preferred embodiment the voice application is delivered over a public-switched-telephony-network to a voice portal accessed by the intended recipients.
In some embodiments the security protocol used by the accessed Website is transferred as a voice access mechanism to the intended recipients. Also in some embodiments the data network connections of the computer station and of the voice application server are separate data network connections. In some cases the voice applications are scheduled for delivery at a specific time delivery made by outbound dialing and connection to a telephone of the intended recipient. The voice applications may be accessed by the intended recipients in real time.
In another aspect of the invention a voice application server for rendering voice dialog using Web-based data as source data is provided, comprising an instance of voice application development software, a database resource adapter, an instance of application logic;
a data rendering engine, and a network access line and software application for accessing servers and Websites hosted therein for the purpose of harvesting data there from for use in voice application creation and deployment. The server is characterized in that according to a trigger, the voice application server navigates to one or more servers and one or more Websites and obtains refreshed data there from converting the data to voice dialog and delivering the dialog to a voice portal accessible to an intended recipient.
In many preferred embodiments the network is the Internet network. Also in some preferred embodiments the voice application is delivered over a public-switched-telephony-network to a voice portal accessed by the intended recipients. In some cases the security protocol used by the accessed Website is transferred as a voice access mechanism to the intended recipients. Also in some cases the voice applications are scheduled for delivery at a specific time delivery made by outbound dialing and connection to a telephone of the intended recipient. The applications may be accessed by the intended recipients in real time.
In some embodiments of the invention a template is created for storing field and source data from a Website and the template is used in voice rendering in the server. The software for network access may be a browser application.
Embodiments of the invention taught in enabling detail below provide new and enhanced functionality for rendering information into audio form.
According to preferred embodiments of the present invention, the inventor teaches herein, in an enabling fashion, a novel system for developing and deploying real-time dynamic or static voice applications in an object-oriented way that enables inbound or outbound delivery of IVR and other interactive voice solutions in supported communications environments.
In this simplified scenario, voice application server 110 utilizes database/resource adapter 113 for accessing a database or other resources for content. Application logic 112 comprising VXML script, business rules, and underlying telephony logic must be carefully developed and tested before single applications can be rendered by rendering engine 111. Once voice applications are complete and servable from server 110, they can be deployed through data network 120 to telephony server 130 where interpreter 131 and text-to speech engine 132 are utilized to formulate and deliver the voice application in useable or playable format for telephony software and hardware 133. The applications are accessible to a receiving device, illustrated herein as device 135, a telephone, through the prevailing network 134, which is in this case a public-switched-telephone-network (PSTN) linking the telephony server to the consumer (device 135) generally through a telephony switch (not shown).
Improvements to this prior-art example in embodiments of the present invention concern and are focused in the capabilities of application server 110 with respect to development and deployment issues and with respect to overall enhancement to response capabilities and options in interaction dialog that is bi-directional. Using the description of existing architecture deemed state-of-art architecture, the inventor herein describes additional components that are not shown in the prior-art example of
A developer or producer of a voice application according to an embodiment of the present invention operates preferably from a remote computerized workstation illustrated herein as station 140. Station 140 is essentially a network-connected computer station. Station 140 may be housed within the physical domain also housing application server 110. In another embodiment, station 140 and application server 110 may reside in the same machine. In yet another embodiment, a developer may operate station 140 from his or her home office or from any network-accessible location including any wireless location.
Station 140 is equipped with a client software tool (CL) 141, which is adapted to enable the developer to create and deploy voice applications across the prevailing system represented by servers 110, 130, and by receiving device 135. CL 141 is a Web interface application similar to or incorporated with a Web browser application in this example, however other network situations may apply instead. CL 141 contains the software tools required for the developer to enable enhancements according to embodiments of the invention. Station 140 is connected to a voice portal 143 that is maintained either on the data network (Internet, Ethernet, Intranet, etc.) and/or within telephony network 134. In this example portal 143 is illustrated logically in both networks. Voice portal 143 is adapted to enable a developer or a voice application consumer to call in and perform functional operations (such as access, monitor, modify) on selected voice applications.
Within application server 110 there is an instance of voice application development server 142 adapted in conjunction with the existing components 111-113 to provide dynamic voice application development and deployment according to embodiments of the invention.
Portal 143 is accessible via network connection to station 140 and via a network bridge to a voice application consumer through telephony network 134. In one example, portal 143 is maintained as part of application server 110. Portal 143 is, in addition to an access point for consumers is chiefly adapted as a developer's interface server. Portal 143 is enabled by a SW instance 144 adapted as a server instance to CL 141. In a telephony embodiment, portal 143 may be an interactive voice response (IVR) unit.
In a preferred embodiment, the producer or developer of a voice application accesses application server 110 through portal 143 and data network 120 using remote station 140 as a “Web interface” and first creates a list of contacts. In an alternative embodiment, station 140 has direct access to application server 110 through a network interface. Contacts are analogous to consumers of created voice applications. CL 141 displays, upon request and in order of need, all of the required interactive interfaces for designing, modifying, instantiating, and executing completed voice applications to launch from application server 110 and to be delivered by server 130.
The software of the present invention enables voice applications to be modeled as a set of dialog objects having business and telephony (or other communication delivery/access system) rules as parameters without requiring the developer to perform complicated coding operations. A dialog template is provided for modeling dialog states. The dialog template creates the actual speech dialog, specifies the voice application consumer (recipient) of the dialog, captures the response from the voice application consumer and performs any follow-up actions based upon system interpretation of the consumer response. A dialog is a reusable component and can be linked to a new dialog or to an existing (stored) dialog. A voice application is a set of dialogs inter-linked by a set of business rules defined by the voice application producer. Once the voice application is completed, it is deployed by server 110 and is eventually accessible to the authorized party (device 135) through telephony server 130.
The voice applications are in a preferred embodiment in the form of VXML to run on VXML-compliant telephony server 130. This process is enabled through VXML rendering engine 111. Engine 111 interacts directly with server 130, locates the voice application at issue, retrieves its voice application logic, and dynamically creates the presentation in VXML and forwards it to server 130 for processing and delivery. Once interpreter 131 interprets the VXML presentation it is sent to or accessible to device 135 in the form of an interactive dialog (in this case an IVR dialog). Any response from device 135 follows the same path back to application server 110 for interpretation by engine 111. Server 110 then retrieves the voice application profile from the database accessible through adapter 113 and determines the next business rule to execute locally. Based upon the determination a corresponding operation associated with the rule is taken. A next (if required) VXML presentation is then forwarded to rendering engine 111, which in turn dynamically generates the next VXML page for interpretation, processing and deployment at server 130. This two-way interaction between the VXML-compliant telephony server (130) and the voice application server (110) continues in the form of an automated logical sequence of VXML dialogs until the voice application finally reaches its termination state.
A voice application (set of one or more dialogs) can be delivered to the consumer (target audience) in outbound or inbound fashion. For an inbound voice application, a voice application consumer calls in to voice portal 143 to access the inbound voice application served from server 130. The voice portal can be mapped to a phone number directly or as an extension to a central phone number. In a preferred embodiment the voice portal also serves as a community forum where voice application producers can put their voice applications into groups for easy access and perform operational activities such as voice application linking, reporting, and text-to-speech recording and so on.
For an outbound voice application there are two sub-types. These are on-demand outbound applications and scheduled outbound applications. For on-demand outbound applications server 110 generates an outbound call as soon as the voice application producer issues an outbound command associated with the application. The outbound call is made to the target audience and upon the receipt of the call the voice application is launched from server 130. For scheduled outbound applications, the schedule server (not shown within server 110) launches the voice application as soon as the producer-specified date and time has arrived. In a preferred embodiment both on-demand and scheduled outbound application deployment functions support unicast, multicast and broadcast delivery schemes.
As described above, a voice application created by application server 110 consists of one or more dialogs. The contents of each dialog can be static or dynamic. Static content is content sourcing from the voice application producer. The producer creates the contents when the voice application is created. Dynamic content sources from a third-party data source.
In a preferred embodiment a developers tool contains an interactive dialog design panel (described in detail later) wherein a producer inputs a reference link in the form of eXtensible Markup Language (XML) to the dialog description or response field. When a dialog response is executed and interpreted by application server 110, the reference link invokes a resource Application-Program-Interface (API) that is registered in resource adapter 113. The API goes out in real time and retrieves the requested data and integrates the returned data into the existing dialog. The resulting and subsequent VXML page being generated has the dynamic data embedded onto it.
One object of the present invention is a highly dynamic, real time IVR system that tailors itself automatically to the application developer's specified data source requirement. Another object of the present invention is to enable rapid development and deployment of a voice application without requirement of any prior knowledge of VXML or any other programming technologies. A further object of the present invention is to reduce the typical voice application production cycle and drastically reduce the cost of production.
In one embodiment of the present invention the contact list may reside on an external device accessed by a provided connector (not shown) that is configured properly and adapted for the purpose of accessing and retrieving the list. This approach may be used, for example, if a large, existing customer database is used. Rather than create a copy, the needed data is extracted from the original and provided to the application.
At step 203, a voice application header is populated. A voice application header is simply a title field for the application. The field contains a name for the application and a description of the application. At step 204, the developer assigns either and inbound or outbound state for the voice application. An outbound application is delivered through an outbound call while the consumer accesses an inbound voice application.
In the case of the inbound application, in step 205 the system sets a default addressee for inbound communications. The developer selects a dialog from a configured list in step 206. It is assumed in this example that the dialogs have already been created. At step 207, the developer executes the dialog and it is deployed automatically.
In the case of an outbound designation in step 204, the developer chooses a launch type in step 208. A launch type can be either an on-demand type or a scheduled type. If the choice made by the developer in step 208 is scheduled, then in step 209, the developer enters all of the appropriate time and date parameters for the launch including parameters for recurring launches of the same application. In the case of an on demand selection for application launch in step 208, then in step 210 the developer selects one or more contacts from the contact list established in step 202. It is noted herein that step 210 is also undertaken by the developer after step 209 in the case of a scheduled launch. At step 207, the dialog is created. In this step a list of probable dialog responses for a voice application wherein interaction is intended may also be created and stored for use.
In general sequence, a developer creates a voice application and integrates the application with a backend data source or, optionally, any third party resources and deploys the voice application. The application consumer then consumes the voice application and optionally, the system analyzes any consumer feedback collected by the voice application for further interaction if appropriate. The steps of this example pertain to generating and launching a voice application from “building blocks” that are already in place.
The represented set of dialog objects 301a-n is interlinked by business rules labeled rules 1-4 in this example. Rules 1-4 are defined by the developer and are rule objects. It is noted herein that that there may be many more or fewer dialog objects 301a-n as well as interlinking business rule objects 1-4 comprising container object 300 without departing from the spirit and scope of the present invention. The inventor illustrates 4 of each entity and deems the representation sufficient for the purpose of explaining the present invention.
In addition to the represented objects, voice application shell 300 includes a plurality of settings options. In this example, basic settings options are tabled for reference and given the element number 305 a-c illustrating 3 listed settings options. Reading in the table from top to bottom, a first setting launch type (305a) defines an initial entry point for voice application 300 into the communications system. As described above with reference to
Outbound launch designation binds a voice application to one or more addressees (consumers). The addressee may be a single contact or a group of contacts represented by the contact list or distribution list also described with reference to
In the case of an inbound voice application designation for launch type 305a, the system instructs the application to assume a ready stand-by mode. The application is launched when the designated voice application consumer actively makes a request to access the voice application. A typical call center IVR system assumes this type of inbound application.
Launch time setting (305b) is only enabled as an option if the voice application launch type setting 305a is set to outbound. The launch time setting is set to instruct a novel scheduling engine, which may be assumed to be part of the application server function described with reference to
On-demand gives the developer full control over the launch time of the voice application. The on-demand feature also allows any third-party system to issue a trigger event to launch the voice application. It is noted herein that in the case of third-party control the voice application interaction may transcend more than one communications system and or network.
Property setting 305c defines essentially how the voice application should behave in general. Possible state options for setting 305c are public, persistent, or sharable. A public state setting indicates that the voice application should be accessible to anyone within the voice portal domain so that all consumers with minimum privilege can access the application. A persistent state setting for property 305c ensures that only one copy of the voice application is ever active regardless of how many consumers are attempting to access the application. An example of such a scenario would be that of a task-allocation voice application. For example, in a task-allocation scenario there are only a number of time slots available for a user to access the application. If the task is a request from a pool of contacts such as perhaps customer-support technicians to lead a scheduled chat session, then whenever a time slot has been selected, the other technicians can only select the slots that are remaining. Therefore if there is only one copy of the voice application circulating within the pool of technicians, the application captures the technician's response on a first-come first-serve basis.
A sharable application state setting for property 305a enables the consumer to “see” the responses of other technicians in the dialog at issue, regardless of whether the voice application is persistent or not. Once the voice application shell is created, the producer can then create the first dialog of the voice application as described with reference to
For example, every dialog has a route-to property illustrated in the example as Route To property (411). Property 411 maps to and identifies the source of the dialog. Similarly, every dialog has a route-from property illustrated herein as Route From property (412). Route from property 412 maps to and identifies the recipient contact of the dialog or the dialog consumer.
Every dialog falls under a dialog type illustrated in this example by a property labeled Dialog Type and given the element number 413. Dialog type 413 may include but is not limited to the following types of dialogs:
Each dialog type has one or more associated business rules tagged to it enabling determination of a next step in response to a perceived state. A rule compares the application consumer response with an operand defined by the application developer using an operational code such as less than, greater than, equal to, or not equal to. In a preferred embodiment of the invention the parameters surrounding a rule are as follows:
If user response is equal to the predefined value, then perform one of the following:
A. Do nothing and terminate the dialog state.
B. Do a live bridge transfer to the contact specified. Or,
C. Send another dialog to another contact.
In the case of an outbound voice application, there are likely to be exception-handling business rules associated with perceived states. In a preferred embodiment of the present invention, exception handling rules are encapsulated into three different events:
For each of the events above, any one of the three follow-up actions are possible according to perceived state:
1. Do nothing and terminate the dialog state.
2. Redial the number.
3. Send another dialog to another contact.
At step 501a developer populates a dialog description field with a dialog description. A dialog description may also contain reference to XML tags as will be described further below. At step 502, parameters of the dialog type are entered based on the assigned type of dialog. Examples of the available parameters were described with reference to
At step 503 the developer configures the applicable business rules for the dialog type covering, as well, follow up routines. In one embodiment rules configuration at step 503 resolves to step 505 for determining follow-up routines based on the applied rules. For example, the developer may select at step 505, one of three types of transfers. For example, the developer may configure for a live transfer as illustrated by step 506; transfer to a next dialog for creation as illustrated by step 507; or the developer may configure for dialog completion as illustrated by step 508.
If the developer does not branch off into configuring sub-routines 506, 507, or 508 from step 505, but rather continues from step 503 to step 504 wherein inbound or outbound designation for the dialog is system assigned, then the process must branch from step 504 to either step 508 or 509, depending on whether the dialog is inbound or outbound. If at step 504, the dialog is inbound, then at step 508 the dialog is completed. If the assignment at step 504 is outbound, then at step 509 to configure call exception business rules.
At step 510, the developer configures at least one follow-up action for system handling of exceptions. If no follow-up actions are required to be specified at step 510, then the process resolves to step 508 for dialog completion. If an action or actions are configured at step 510, then at step 511 the action or actions are executed such as a system re-dial, which the illustrated action for step 511.
In a preferred embodiment, once the voice application has been created, it can be deployed and accessed through the telephone. The method of access, of course, depends on the assignment configured at step 504. For example, if the application is inbound, the application consumer accesses a voice portal to access the application. As described further above, a voice portal is a voice interface for accessing a selected number of functions of the voice application server described with reference to
Application server 110 is also actively engaged in the interaction sequence and has the capability to provide dynamic content to consumer 600. As application consumer 600 begins to interact with the voice application represented herein by dialog 600 within telephony server 130, voice application server 110 monitors the situation. In actual practice, each dialog processed and sent to server 130 for delivery to or access by consumer 600 is an atomic unit of the particular voice application being deployed and executed. Therefore dialog 601 may logically represent more than one single dialog.
In this example, assuming more than one dialog, dialog 601 is responsible during interaction for acquiring a response from consumer 600. Arrows labeled Send and Respond represent the described interaction. When consumer 600 responds to dialog content, the response is sent back along the same original path to VXML rendering engine 111, which interprets the response and forwards the interpreted version to a provided dialog controller 604. Controller 604 is part of application logic 112 in server 110 described with reference to
When dialog controller 604 receives a dialog response, it stores the response corresponding to the dialog at issue (601) to a provided data source 602 for data mining operations and workflow monitoring. Controller 604 then issues a request to a provided rules engine 603 to look-up the business rule or rules that correspond to the stored response. Once the correct business rule has been located for the response, the dialog controller starts interpretation. If the business rule accessed requires reference to a third-party data source (not shown), controller 604 makes the necessary data fetch from the source. Any data returned by controller 604 is integrated into the dialog context and passed onward VXML rendering engine 111 for dialog page generation of a next dialog 601. The process repeats until dialog 601 is terminates.
In one embodiment, the business rule accessed by controller 604 as a result of a received response from consumer 600 carries a dialog transition state other than back to the current application consumer. In this case controller 604 spawns an outbound call from application server 110 to deliver the next or “generated dialog” to the designated target application consumer. At the same time, the current consumer has his/her dialog state completed as described with reference to
It will be apparent to one with skill in the art that a dialog can contain dynamic content by enabling controller 604 to have access to data source 602 according to rules served by rule engine 603. In most embodiments there are generally two types of dynamic content. Both types are, in preferred embodiments, structured in the form of XML and are embedded directly into the next generated dialog page. The first of the 2 types of dynamic content is classified as non-recurring. Non-recurring content makes a relative reference to a non-recurring resource label in a resource adapter registry within a resource adapter analogous to adapter 113 of voice application server 110 described with reference to
In the above case, when dialog controller 604 interprets the dialog, it first scans for any resource label. If a match is found, it looks up the resource adapter registry and invokes the corresponding resource API to fetch the required data into the new dialog context. Once the raw data is returned from the third-party data source, it passes the raw data to a corresponding resource filter for further processing. When completed in terms of processing by the filter, the dialog resource label or tag is replaced with the filtered data and is integrated transparently into the new dialog.
The second type of dynamic content is recurring. Recurring content usually returns more than one set of a name and value pair. An example would be a list of stocks in an application consumer's stock portfolio. For example, a dialog that enables consumer 600 to parrot a specific stock and have the subsequent quote returned through another dialog state is made to use recurring dynamic content to achieve the desired result. Recurring content makes a relative reference to a recurring resource label in the resource adapter registry of voice application server 110. When controller 604 interprets the dialog, it handles the resource in an identical manner to handling of non-recurring content. However, instead of simply returning the filtered data back to the dialog context, it loops through the data list and configures each listed item as a grammar-enabled keyword. In so doing, consumer 600 can parrot one of the items (separate stocks) in the list played in the first dialog and have the response captured and processed for return in the next dialog state. The stock-quote example presented below illustrates possible dialog/response interactions from the viewpoint of consumer 600.
Voice Application: “Good morning Leo, what stock quote do you want?”
Application Consumer: “Oracle”
Voice Application: “Oracle is at seventeen dollars.”
Voice Application: “Good morning Leo, what stock quote do you want?”
This particular example consists of two dialogs.
The first dialog plays out the statement “Good morning Leo, what stock quote do you want?” The dialog is followed by a waiting state that listens for keywords such as Oracle, Sun, Microsoft, etc. The statement consists of two dynamic non-recurring resource labels. The first one is the time in day: Good morning, good afternoon, or good evening. The second dynamic content is the name of the application consumer. In this case, the name of the consumer is internal to the voice application server, thus the type of the resource label is SYSTEM. In the actual dialog description field, it may look something like this:
Because the dialog is expecting the consumer to say a stock out of his/her existing portfolio, the dialog type is radio dialog, and the expected response property of the radio dialog is
This XML resource label tells dialog controller 604 to look for a resource label named stock_list and to invoke the corresponding API with target_contact_id as the parameter. Upon completion of the data fetching, the list of stocks is integrated into the dialog as part of the grammars. And whatever the user responds to in terms of stock identification is matched against the grammars at issue (stocks in portfolio) and assigned the grammar return value to the dialog response, which can then forward it to the next dialog as resource of DIALOG type.
The producer can make reference to any dialog return values in any subsequent dialog by using <resource type=‘DIALOG’ name=‘dialog_name’/>. This rule enables the producer to play out the options the application consumer selected previously in any follow-up dialogs.
The second dialog illustrated above plays out the quote of the stock selected from the first dialog, then returns the flow back to the first dialog. Because no extra branching logic is involved in this dialog, the dialog type in this case is a statement dialog. The dialog's follow-up action is simply to forward the flow back to the first dialog. In such a case, the dialog statement is:
Besides making reference to ADAPTER, DIALOG and SYSTEM type, the dialog can also take in other resource types such as SOUND and SCRIPT. SOUND can be used to impersonate the dialog description by inserting a sound clip into the dialog description. For example, to play a sound after the stock quote, the producer inserts <resource type=‘SOUND’ name=‘beep’/> right after the ADAPTER resource tag.
The producer can add a custom-made VXML script into the dialog description by using <resource type=‘RESOURCE’ name=‘confirm’/> so that in the preferred embodiment, any VXML can be integrated into the dialog context transparently with maximum flexibility and expandability.
It will be apparent to one with skill in the art that while the example cited herein use VXML and XML as the mark-up languages and tags, it is noted herein that other suitable markup languages can be utilized in place of or integrated with the mentioned conventions without departing from the spirit and scope of the invention. It will also be apparent to the skilled artisan that while the initial description of the invention is made in terms of a voice application server having interface to a telephony server using generally HTTP requests and responses, it should be noted that the present invention can be practiced in any system that is capable of handling well-defined requests and responses across any distributed network.
Screen 710 has a field for inserting a login ID and a field for inserting a login personal identification number (PIN). Once login parameters are entered the developer submits the data by clicking on a button labeled Login. Screen 710 may be adapted for display on a desktop computer or any one of a number of other network capable devices following specified formats for display used on those particular devices.
Navigation section 803 contains, reading from top to bottom, a plurality of useful links. Starting with a link to home followed by a link to an address book. A link for creating a new Fonelet (voice application) is labeled Create New. A link to “My” Fonelets is provided as well as a link to “Options”. A standard Help link is illustrated along with a link to Logout. An additional “Options Menu” is the last illustrated link in section 803. Section 803 may have additional links that are visible by scrolling down with the provided scroll bar traditional to the type of display of this example.
A Dialog Flow Setup section is provided and contains a dialog type section field 1005 and a subsequent field for selecting a contact or contact group 1006. After the required information is correctly populated into the appropriate fields, a developer may “create” the dialog by clicking on an interactive option 1007 labeled Create.
A section 1202 is provided within screen 1200 and adapted to enable a developer to configure for expected responses. In this case the type of dialog is a Radio Dialog. Section 1202 serves as the business rule logic control for multiple choice-like dialogs. Section 1202 contains a selection option for Response of Yes or No. It is noted herein that there may be more and different expected responses in addition to a simple yes or no response.
An adjacent section is provided within section 1202 for configuring any Follow-Up Action to occur as the result of an actual response to the dialog. For example, an option of selecting No Action is provided for each expected response of Yes and No. In the case of a follow-up action, an option for Connect is provided for each expected response. Adjacent to each illustrated Connect option, a Select field is provided for selecting a follow-up action, which may include fetching data.
A Send option is provided for enabling Send of the selected follow-up action including any embedded data. A follow-up action may be any type of configured response such as send a new radio dialog, send a machine repair request, and so on. A send to option and an associated select option is provided for identifying a recipient of a follow-up action and enabling automated send of the action to the recipient. For example, if a first dialog is a request for machine repair service sent to a plurality of internal repair technicians, then a follow-up might be to send the same dialog to the next available contact in the event the first contact refused to accept the job or was not available at the time of deployment.
In the above case, the dialog may propagate from contact to contact down a list until one of the contacts is available and chooses to interact with the dialog by accepting the job. A follow-up in this case may be to send a new dialog to the accepting contact detailing the parameters of which machine to repair including the diagnostic data of the problem and when the repair should take place. In this example, an option for showing details is provide for developer review purposes. Also interactive options for creating new or additional responses and for deleting existing responses from the system are provided. It is noted herein that once a dialog and dialog responses are created then they are reusable over the whole of the voice application and in any specified sequence in a voice application.
A section 1203 is provided within screen 1201 and adapted for handling Route-To Connection Exceptions. This section enables a developer to configure what to de in case of possible connection states experience in application deployment. For example, for a Caller Reject, Line Busy, or connection to Voice Mail there are options for No Action and for Redial illustrated. It is noted herein that there may be more Exceptions as well as Follow-up action types than are illustrated in this example without departing from the spirit and scope of the present invention.
A Send option is provided for each type of exception for re-sending the same or any other dialog that may be selected from an adjacent drop down menu. For example if the first dialog is a request for repair services and all of the initial contacts are busy for example, the dialog may be sent back around to all of the contacts until one becomes available by first moving to a next contact for send after each busy signal and then beginning at the top of the list again on re-dial. In this case John Doe represents a next recipient after a precious contact rejects the dialog, is bust, or re-directs to voice mail because of unavailability. Section 1203 is only enabled when the voice application is set to outbound. Once the first dialog is created and enabled by the developer then a second dialog may be created if desired by clicking on one of the available buttons labeled detail. Also provided are interactive buttons for Save Dialog, Save and Close, and Undo Changes.
Sections 1302 and 1303 of this example are analogous to sections 1202 and 1203 of the previous example of
A vocabulary section 1402 is provided and adapted to list all of the created vocabulary words for a voice application and a selection mechanism (a selection bar in this case) for selecting one of the listed words. An option for creating a new word and synonym pair is also provided within section 1402. A control panel section 1403 is provided within window 1400 and adapted with the controls Select From Thesaurus; Update Thesaurus; Delete From Thesaurus; and Exit Thesaurus.
After closing all dialog windows frame 1500 displays screen or page 1502 for module management options. Menu section 803 is again visible. Screen 1502 displays as a result of clicking on the option “My” or My Fonelet in frame 803. Screen 1502 lists all voice applications that are already created and usable. In the list, each voice application has a check box adjacent thereto, which can be selected to change state of the particular application. A column labeled Status is provided within screen 1502 and located adjacent to the application list applications already created.
The Status column lists the changeable state of each voice application. Available status options include but are not limited to listed states of Inactive, Activated and Inbound. A column labeled Direct Access ID is provided adjacent to the Status column and is adapted to enable the developer to access a voice application directly through a voice interface in a PSTN network or in one embodiment from a DNT voice interface. In a PSTN embodiment, direct access ID capability serves as an extension of a central phone number. A next column labeled Action is provided adjacent to the direct access ID column and is adapted to enable a developer to select and apply a specific action regarding state of a voice application.
For example, assume that a developer has just finished the voice application identified as Field Support Center (FSC) listed at the top of the application identification list. Currently, the listed state of FSC is Inactive. The developer now activates the associated Action drop down menu and selects Activate to launch the application FSC on demand. In the case of a scheduled launch, the voice application is activated automatically according to the settings defined in the voice application shell.
As soon as the Activate command has been issued, the on-demand request is queued for dispatching through the system's outbound application server. For example, John Doe then receives a call originating from the voice application server (110) that asks if John wants to take the call. If John responds “Yes,” the voice application is executed. The actual call flow follows:
System: “Hello John, you received a fonelet from Jim Doe, would you like to take this call?”
John: “Yes.”
System: “Machine number 008 is broken, are you available to fix it?”
John: “No.”
System: “Thanks for using fonelet. Goodbye!”
System: Terminate the connection with John, record the call flow to the data source, and spawn a new call to Jane Doe.
System: “Hello Jane, you received a fonelet from Jim Doe, would you like to take this call?”
Jane: “Yes.”
System: “Machine number 008 is broken, are you available to fix it?”
Jane: “I cannot make it.”
System: “Please wait while fonelet transfers you to Jeff Doe.”
System: Carry out the bridge transfer between Jane Doe and Jeff Doe.
When the conversation is completed, terminate the connection with Jeff and record the call flow to the data source.
The default textual content of the voice application is being generated by the text-to-speech engine hosted on the telephony or DNT server. However, the voice application producer can access the voice portal through the PSTN or DNT server and record his/her voice over any existing prompts in the voice application.
It will be apparent to one with skill in the art the method and apparatus of the present invention may be practiced in conjunction with a CTI-enabled telephony environment wherein developer access to for application development is enabled through a client application running on a computerized station connected to a data network also having connectivity to the server spawning the application and telephony components. The method and apparatus of the invention may also be practiced in a system that is DNT-based wherein the telephony server and application server are both connected to a data network such as the well-known Internet network. There are applications for all mixes of communications environments including any suitable multi-tier system enabled for VXML and or other applicable mark-up languages that may serve similar purpose.
It will also be apparent to one with skill in the art that modeling voice applications including individual dialogs and responses enables any developer to create a limitless variety of voice application quickly by reusing existing objects in modular fashion thereby enabling a wide range of useful applications from an existing store of objects.
In one embodiment of the present invention one or more Websites can be automatically harvested for data to be rendered by a VXML engine for generating a voice response accessible by users operating through a PSTN-based portal. Such an enhancement is described immediately below.
A Website 1600 is illustrated in this embodiment and is accessible to dialog controller 604 via a network access line 1601 illustrated herein as two directional lines of communication. The first line is labeled Store/Fetch/Input leading from controller 604 into site 1600. The second (return) line is labeled Data Return/Source Field. The separately illustrated communication lines are intended to be analogous to a bi-directional Internet or other network access line. An internal data source (602) previously described with reference to
Website 1600 provides at least one electronic information page (Web page) that is formatted according to the existing rules for the mark-up language that is used for its creation and maintenance. Site 1600 may be one site hosting many information pages, some of which are inter-related and accessible through subsequent navigation actions. Controller 604 in this embodiment is enhanced for Website navigation at the direction of a user's voice inputs enabled by rule accessible by accessing rule engine 603. A data template (not shown) is provided for use by dialog controller 604 to facilitate logical data population from site 1600. Dialog controller 604 analyzes both Website source codes and data fields as return data and uses the information to generate a VXML page for rendering engine 111.
It is noted herein that all of the security and access mechanisms used at the site for normal Internet access are inferred upon the customer so that the customer may be granted access by providing a voice rendering (response) containing the security access information. This enables the customer to keep the same security password and/or personal identification number (PIN) for voice transactions through a portal as well as for normal Web access to site 1600 from a network-connected computer.
It is noted herein that there may be many servers 1701 as well as many hosted Websites of one or more pages in this embodiment without departing from the spirit and scope of the present invention. A database store 1702 is provided in this example and illustrated as connected to server 1701 for the purpose of storing data. Data store 1702 may be an optical storage, magnetic storage, a hard disk, or other forms suitable for storing data accessible online. In one embodiment, data store 1702 is a relational database management system (RDBMS) wherein a single access may involve one or more connected sub servers also storing data for access.
The configuration of client application 141, workstation 140, server 1702, Website 1600, and database 1702 connected by network 1704 enables Websites analogous to site 1600 to be culled or harvested. Application 141 can read and retrieve all of the default responses that exist for each HTML script or scripts of another mark-up language. These default responses are embedded into application logic 112 and VXML rendering engine 111. Once the content of a Web page has been culled and used in client 141 to create the rendering, then VXML engine 111 can access the Website successfully in combination with application logic 112 and database/resource adaptor 113 by way of a separate access network 1703. For example, if a user (not shown) accesses Website 1600 through voice portal 143 from receiving device 135 (telephone), then he or she would be voice prompted for a password to gain access to the site. Subsequently, a voice rendering of the data on the site accessed would be recited to him or her over telephone 135.
Generally speaking, the development process for a voice portal would be the same as was described above with references to
In one embodiment, provision of connection 1703 between server 110 and server 1701 enables the security environment practiced between communicating machines such a secure socket layer (SSL), firewall, etc to be applied in the created voice solution for a customer. On the analog side, the security is no different than that of a call-in line allowing banking services in terms of wiretap possibilities etc.
It will be apparent to one with skill in the art that the method and apparatus of the invention can be practiced in conjunction with the Internet, an Ethernet, or any other suitable networks. Markup languages supported include HTML, SHTML, WML, VHTML, XML, VXML and so on. In one embodiment, the Websites accessed may be accessed automatically wherein the password information for a user is kept at the site itself. There are many possible scenarios.
The method and apparatus of the invention should be afforded to broadest interpretation under examination in view of the many possible embodiments and uses. The spirit and scope of the invention is limited only be the claims that follow.
The present application is a Continuation of co-pending U.S. patent application Ser. No. 10/190,077, filed on Jul. 2, 2002, the disclosure of which is incorporated by reference herein. That application is a Continuation In Part of a U.S. patent application, Attorney docket No. P8100 entitled “Method and Apparatus for Development and Deployment of a Voice Software Application for Distribution to one or more Application Consumers”, filed on Jun. 14, 2002, the disclosure of which is incorporated by reference herein in its entirety. That parent case filed on Jun. 14, 2002 claimed priority to provisional application Ser. No. 60/302,736 filed on Jul. 3, 2001, and incorporates all disclosure of that provisional application by reference. The present application therefore claims priority to both of the applications described above in this paragraph.
Number | Date | Country | |
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60302736 | Jul 2001 | US |
Number | Date | Country | |
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Parent | 10190077 | Jul 2002 | US |
Child | 12490177 | US |
Number | Date | Country | |
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Parent | 10173333 | Jun 2002 | US |
Child | 10190077 | US |