The present invention relates generally to communications and, in particular, to a method, system and apparatus for provisioning a communication client.
With the advent of the Internet, society has witnessed the expansion of a global packet-switched data network into an ever-increasing number of homes and businesses. This has enabled an ever-increasing number of users to communicate with each other, primarily utilizing electronic communications, such as e-mail and instant messaging. Meanwhile, advances have been made in delivering voice communication over packet-switched data networks, driven primarily by the cost advantage of placing long-distance calls over the packet-switched data networks, but also by the ability to deliver advanced service features to users. This cost advantage can be enjoyed by both a service provider delivering the voice communication over the packet-switched data network service (in a form of lower operating cost), as well as the user who subscribes to the services of such a service provider (in a form of lower service subscription fees). Technology dealing with the delivery of real-time voice communication over the packet-switched data network is generally referred to as voice-over-packet, voice-over-IP or, simply, VoIP.
As is well appreciated in the art, the delivery technology for VoIP-based systems is fundamentally different from the delivery technology for the traditional PSTN-based systems. This is true not only for the underlining technology, but also for the user experience. For example, in the VOIP-based systems, a user has to “log into” a communication client (ex. a VoIP phone or a soft client executed on a computing apparatus) before being able to make or receive calls. Typically, the user has to input a user name and a password into the communication client. The communication client then establishes a connection with a soft switch and logs into the telephony service using the user name and the password.
Certain groups of users may find the logging in requirement confusing and difficult to implement. This is particularly true for those user segments who are accustomed to the user experience in the PSTN world, where a telephone can be simply plugged into a wall outlet at a customer premises and, provided there exists telephony service at the customer premises, the telephone will work (i.e. there will be a dial tone and the user can receive and initiate calls). The requirement to log in may prevent some of the users to choose a VoIP-based solution and, therefore, may hinder VoIP service providers from expanding their VoIP customer base to all customer segments. It would be beneficial to have a simpler way to allow a user to provision a VoIP communication client.
According to a first broad aspect of the present invention, there is provided a method for provisioning a communication client. The method comprises receiving via a communication network a request from the communication client. The method further comprises determining a positioning object associated with the communication client. The method further comprises, based on the positioning object, determining a subscription profile associated with the communication client. The method further comprises, based on the subscription profile, compiling a configuration file.
According to a second broad aspect of the present invention, there is provided an apparatus. The apparatus comprises means for receiving via a communication network a request from the communication client; means for determining a positioning object associated with the communication client; means for determining, based on the positioning object, a subscription profile associated with the communication client; and means for compiling, based on the subscription profile, a configuration file.
According to a third broad aspect of the present invention, there is provided a system. The system comprises a server operable to receive via a communication network a request from a communication client. The server is further operable to determine a positioning object associated with the communication client. The server is further operable, based on the positioning object, to determine a subscription profile associated with the communication client. The server is further operable, based on the subscription profile, to compile a configuration file.
According to another broad aspect of the present invention, there is provided a computer-readable medium comprising computer-readable program code which, when executed by a computing apparatus, causes the computing apparatus:
These and other aspects and features of the present invention will now become apparent to those skilled in the art upon review of the following description of specific embodiments of the invention in conjunction with the accompanying drawings.
Embodiments of the present invention are described with reference to the following figures, in which:
It is to be expressly understood that the description and drawings are only for the purpose of illustration of certain embodiments of the invention and are an aid for understanding. They are not intended to be a definition of the limits of the invention.
The router 112 may in turn be connected over the home network 114 to a computing apparatus 115. The computing apparatus may comprise any suitable general purpose computer, such as, a desktop, a laptop, etc. The home network 114 may be further coupled to a communication client 116. The communication client 116 can comprise a VoIP phone, a Plain Old Telephone Service (POTS) phone equipped with an analog terminal adapter (ATA), a soft client executed on a computing apparatus, etc. The communication client 116 is just one non-limiting example of a communication client that can be installed at a customer premises 100 associated with a user 101. It should be understood that the customer premises 100 may comprise a number of additional communication clients that may include, but are not limited to, other VoIP phones, a wireless VoIP phone (such as, for example, a WAP wireless phone), a Plain Old Telephone System (POTS) phone equipped with an Analog Terminal Adapter (ATA), other computing apparatuses executing soft clients, a set-top box, a gaming device, a security system and the like. The number of communication clients installed within the customer premises 100 is not limited other than by business considerations of a service provider.
In some non-limiting embodiments of the present invention, the functionality of the router 112 and the modem 110 can be embodied in a single device, which is sometimes referred to as a “home gateway”. In an alternative non-limiting embodiment of the present invention, the router 112 can be omitted from the infrastructure of
In an example non-limiting embodiment, the physical connection link 108 can be a copper twisted pair, over which higher-layer protocols allow for the exchange of packets. In an alternative non-limiting embodiment, the physical connection link 108 may comprise an Ethernet link, a fiber optic link (e.g., Fiber-to-the-Home, Fiber-to-the-Curb, etc.), a wireless link (e.g., EV-DO, WiMax, WiFi, CDMA, TDMA, GSM, and the like), a cable data access link, etc., or a combination thereof.
In the specific non-limiting embodiment of
Within the specific non-limiting example under consideration here, where the access network node 106 comprises a DSLAM, the purpose of the access network node 106 is to multiplex several physical connection links (such as the physical connection link 108) from several access devices (such as, for example, the access device 102) for communication over the access data network 124 and vice versa.
The NAS 126 is sometimes also referred to by some in the industry as a broadband remote access server (BRAS), a remote access server (RAS) or a broadband access server (BAS). The NAS 126 provides access to a core packet-switched data network 132, such as the Internet, over which data (including, but not limited to, data associated with a VoIP call) can be exchanged. In alternative embodiments of the invention, the core packet-switched data network 132 can be implemented in any suitable data network adapted for supporting VoIP calls, such as, but not limited to, a private data network, a public data network and the like. The type of the access data network 124 is immaterial for the purposes of the embodiments of the present invention. Generally speaking, the access data network 124 can support one or more logical links (not depicted) between the access network node 106 and the NAS 126 (such as asynchronous transfer mode (ATM) permanent virtual circuit (PVC), a virtual local area network (VLAN) and the like).
The NAS 126 can be generally responsible for regulating access to the core packet-switched data network 132 by various access devices coupled to the access data network 124 (such as, for example, the access device 102, the computing apparatus 115 or the communication client 116). Among other functions performed by the NAS 126, the NAS 126 may be responsible for obtaining on behalf of or for assigning network addresses to the devices connected to the access data network 124 for the purposes of exchanging data via the core packet-switched data network 132. For example, the NAS 126 may be responsible for receiving a network address request from the access device 102 and for assigning a network address, such as, for example, an IP address to the access device 102. In the specific example being presented in
In some non-limiting embodiments of the present invention, the router 112 can implement a DHCP server functionality. In other words, the router 112 can be responsible for assigning an IP address to communication clients coupled thereto (such as, for example, the communication client 116) or the computing apparatus 115. Within these embodiments of the present invention, the IP address assigned to the communication client 116 by the router 112 can be a local IP address, i.e. the IP address routable only on the home network 114. In these embodiments, the router 112 can also perform network address translation (NAT) functionality. Put another way, the IP address assigned by the router 112 to the devices connected thereto (ex. the communication client 116, the computing apparatus 115, etc.) can be a private IP address used for addressing devices connected to the home network 114 (such as, for example, the communication client 116) and the router 112 can perform a network address functionality by translating one or more private IP addresses into a public IP address used by the router 112 for communication with entities outside of the home network 114 via the core packet-switched data network 132 and vice versa.
In an alternative non-limiting embodiments of the present invention, some or all of the communication clients coupled to the access device 102 (for example, some or all of the computing apparatus 115, the communication client 116, etc.) may be assigned a public IP address. How the computing apparatus 115 or the communication client 116 are assigned a respective public IP address can be implemented in substantially the same manner as described above in the context of the access device 102 being assigned a public IP address by the NAS 126.
The process for authenticating a network address request and for assigning network addresses is known in the art and, as such, no detailed description will be presented. Suffice it to say that, in some embodiments of the present invention, the NAS 126 can authenticate the network address request received, for example, from the access device 102. How the NAS 126 authenticates the received network address is not particularly limited. For example, the NAS 126 can authenticate the received network address request based on a dedicated logical connection via which the network address request is received. In the non-limiting example where the access device 102 broadcasts a network address request via a dedicated VLAN, the NAS 126 can authenticate the network address on the basis of a VLAN identifier associated with the dedicated VLAN via which such network address request has been received. Once the network address request is authenticated, the NAS 126 may assign a network address (such as, for example, an IP address and the like) to the access device 102 which has originated the network address request. Accordingly, the NAS 126 may maintain a mapping 107, which maps, on the one hand, an indication of a given network address and, on the other hand, an indication of a logical link (ex. the VLAN identifier) to which the given network address is assigned to. The mapping 107 can be generated, for example, when the access device 102 is plugged in for the first time and can be updated every time when the access device 102 attempts to obtain a network address from the NAS 126. Alternatively, the mapping 107 can be generated when the computing apparatus 115 or the communication client 116 are assigned with a respective public IP address. It should be noted that other alternatives of how the NAS 126 authenticates the network address request and assign a network address are possible and will become apparent to those of skill in the art.
The access network node 106 can comprise a number of ports, such as a port 106A depicted in
Also provided in
In addition, the network element 140 can comprise suitable circuitry, software and/or control logic for exchanging calls with entities outside of the core packet-switched data network 132. This is particularly convenient, when a call placed by the communication client 116 to a telephone number that is reachable only via a network different from the core packet-switched data network 132, such as, for example, the Public Switched Telephone Network (PSTN) or a wireless communication network, both of which have been omitted from
Communicatively coupled to the core packet-switched data network 132 is a provisioning server 145. The function of the provisioning server 145 will be discussed in greater detail herein below. For now, suffice it to say, that the provisioning server 145 is operable to register communication clients (such as the communication client 116) as they are connected to the access data network 124. More specifically, the provisioning server 145 can be operable to validate the communication client, compile configuration files, perform service activation and the like.
The provisioning server 145 can be reached via the core packet-switched data network 132 at a network address, such as, but not limited to, an IP address. In some non-limiting embodiments, the IP address assigned to the provisioning server 145 can be a static IP address. An indication of the static IP address can be hard coded into the communication client 116. In an alternative non-limiting embodiment of the present invention, the provisioning server 145 can be associated with a Uniform Resource Locator (URL), such as, for example, “http://www.provisioning.serviceprovider.com”. In these non-limiting embodiments of the present invention, the communication client 116 may be pre-programmed with the URL of the provisioning server 145. In other words, the communication client 116 is aware of a location at which the provisioning server 145 can be reached over the core packet-switched data network 132. In an alternative non-limiting embodiment of the present invention, the NAS 126 may be aware of the location of the provisioning server 145. Within these non-limiting embodiments of the present invention, the communication client 116 need not be aware of the location of the provisioning server 145 and the NAS 126 can be responsible for routing any requests received from the communication client 116, for example, to the provisioning server 145 as will be described in greater detail herein below. One skilled in the art will appreciate that other alternatives of how the communication client 116 can reach the provisioning server 145 are possible.
The provisioning server 145 can implement one or more protocols for communicating with communication clients (such as, for example, the communication client 116). In some non-limiting embodiments of the present invention, the provisioning server 145 can implement an XML over HTTPS protocol. In alternative non-limiting embodiments of the present invention, a Session Initiation Protocol or, simply, a SIP protocol can be used. In yet other embodiments, which are particularly applicable where the communication client 116 comprises a computing apparatus operable to execute a soft client application, Simple Object Access Protocol (SOAP) can be used. In yet further embodiments of the present invention, an Extensible Mark-up Language (XML) Configuration Access Protocol (XCAP), available from http://www.ietf.org/internet-drafts/draft-ietf-simple-xcap-11.txt, can be used. It should be noted that in alternative non-limiting embodiments, any other suitable protocol can be used.
In some embodiments of the present invention, the network element 140 and the provisioning server 145 can implement Simple Object Access Protocol (SOAP). As such, the network element 140 and the provisioning server 145 can exchange messages using SOAP via the core packet-switched data network 132. Any other suitable communication protocol can be used for the purposes of communication between the network element 140 and the provisioning server 145.
Communicatively coupled to the provisioning server 145 can be a subscription data repository 150. In some embodiments of the present invention, the subscription data repository 150 can be directly coupled to the provisioning server 145. In an alternative non-limiting embodiment of the present invention, the provisioning server 145 can access the subscription data repository 150 via the core packet-switched data network 132 or via another network. In some of these embodiments, the provisioning server 145 and the subscription data repository 150 can implement a security protocol for exchanging data therebetween. The subscription data repository 150 will now be described in greater detail with reference to
In some embodiments of the present invention, the subscription data repository 150 can be under the control of the same entity that controls the provisioning server 145 (for example, the same service provider, etc.). In an alternative non-limiting embodiment of the present invention, the subscription data repository 150 can be under the control of an entity different from the entity that controls the provisioning server 145. Within these non-limiting embodiments of the present invention, the subscription data repository 150 can be coupled to a plurality of provisioning servers, including the provisioning server 145.
The subscription data repository 150 can maintain a number of records associated with users that subscribe to VoIP telephony service delivered by a service provider who manages the subscription data repository 150. For the purposes of the specific non-limiting example discussed herein below, it is assumed that a record 202 is associated with the communication client 116. The record 202 can comprise several fields, such as a user identifier 220, a positioning object 222 and a subscription profile 224. The purpose of the user identifier 220 is to identify a particular user or a communication client associated with the particular user whom the record 202 is associated with. An example of the user identifier 220 can be embodied in a Session Initiation Protocol (SIP) Universal Resource Identifier (URI) address associated with the user 101. For the purposes of the example to be presented herein below it is assumed that all communication clients (such as the communication client 116) installed at the customer premises 100 are to be associated with the SIP URI associated with the user 101. It should be expressly understood that in an alternative non-limiting embodiments of the present invention, the user identifier 220 can comprise other types of user account identifiers, a telephone number, an IP address, a proprietary identifier, etc.
In some embodiments of the present invention, the positioning object 222 can comprise an indication of a location object associated with the communication client 116. In a first non-limiting embodiment of the present invention, the location object maintained within the positioning object 222 can comprise an indication of the physical location of the communication client 116 (ex. an indication of a street address, a set of geo-coordinates, a location code, etc.) associated with the customer premises 100 where the user 101 subscribes to the VoIP telephony service. In an alternative non-limiting embodiment of the present invention, the positioning object 222 may comprise any suitable location object that is indicative of the location of the customer premises 100. Examples of the location objects include, but are not limited to, port identifier associated with the physical connection link 108 serving the customer premises 100, a location code, etc.
In alternative non-limiting embodiments of the present invention, the positioning object 222 can comprise an indication of a device identifying object, such as, for example, a unique identifier of the communication client 116. Some examples of the device identifying objects that can be stored within the positioning object 222 include, but are not limited to, a MAC address, an electronic serial number (ESN), a proprietary identifier, etc.
The indication of the service positioning object 222 is provided during a service subscription process to be described herein below. The subscription profile 224 can comprise one or more of the following: an indication of which telephony features the user 101 subscribes to as part of the VoIP telephony service at the customer premises 100, an indication of a billing plan, credit card information that is to be used for billing purposes, etc. In some embodiments of the present invention, the subscription profile 224 may further comprise an indication of a location of the network element 140 that is responsible for delivering VoIP telephony service to the communication client 116.
In some embodiments of the present invention, data maintained within the user identifier 220 can be used as a log in name for logging the communication client 116 into the VoIP telephony service provided by the network element 140. In an alternative embodiment of the present invention, the subscription profile 224 may maintain a separate user identifier that can be used for the purposes of the logging in. In some of these non-limiting embodiments, the subscription profile 224 (or another field within the subscription data repository 150) may comprise an indication of a password to be used for the purposes of the logging in process.
The positioning object 222 and the subscription profile 224 of a given record associated with a given user can be populated when the given user subscribes to the VoIP telephony service. How the user subscribes to the VoIP telephony service is not particularly limited and, some non-limiting examples include, but are not limited to, interacting over a telephone connection with a customer services representative associated with a service provider who is to deliver the VoIP telephony service, interacting with an interactive voice response system associated with a service provider who is to deliver the VoIP telephony service, visiting a store associated with a service provider who is to deliver the VoIP telephony service or an independent communication services retail store that carries equipment and subscription packages from more than one service provider, accessing a web site or a web portal associated with a service provider who is to deliver the VoIP telephony service, etc.
Naturally, the subscription data repository 150 can maintain a number of other records, collectively depicted at 204. These records 204 can be associated with other subscribers to the VoIP telephony services provided by the aforementioned service provider.
In an alternative non-limiting embodiment of the present invention, the subscription data repository 150 can maintain a number of records associated with users that subscribe to access service delivered by a service provider who manages the subscription data repository 150. For example, the subscription data repository 150 can maintain a user identifier 220, a positioning object 222 and a subscription profile 224 associated with a subscription to the access service for the user 101 at the customer premises 100. In an example non-limiting embodiment, the access service can be a service that allows the user 101 using, for example, the computing apparatus 115 to access the core packet-switched data network 132. For example, the user 101 may employ the computing apparatus 115 to access a particular resource coupled to the core packet-switched data network 132, to transmit an electronic message to a recipient coupled to the core packet-switched data network 132, engage in an instant messaging session with a destination coupled to the core packet-switched network 132, etc.
The infrastructure of
In the specific case under consideration here, the mapping 125 maintained by the OSS 122 relates port 106A of the access network node 106 to a location object indicative of the physical location of the access device 102 (ex. the street address of the customer premises 100). The mapping 125 can be generated by the OSS 122 when access service at the customer premises 100 is provisioned, for example, in the form of subscribing to an ISP service at the customer premises 100. It should be noted that in an alternative non-limiting embodiment of the present invention, the OSS 122 may further maintain a copy of the aforementioned mapping 109. In some embodiments of the present invention, the OSS 122 may maintain a copy of the mapping 107.
In some embodiments of the present invention, the OSS 122 is communicatively coupled to the access data network 124 and, as such, can be accessible to the provisioning server 145 via the core packet-switched data network 132 and the access data network 124. In an alternative non-limiting embodiment of the present invention, the OSS 122 can be coupled to the core packet-switched data network 132. In an alternative non-limiting embodiment, the provisioning server 145 and the OSS 122 may have a dedicated point-to-point connection. Yet in alternative non-limiting embodiments of the present invention, the functionality of the OSS 122 and the provisioning server 145 can be integrated into a single apparatus. In further non-limiting embodiment of the present invention, the provisioning server 145 and the OSS 122 may implement a security protocol for exchanging secure data therebetween.
Of course, as will be apparent to those skilled in the art that numerous modifications and variations of the infrastructure of
It should be noted that in some non-limiting embodiments of the present invention, the functionality of the provisioning server 145 and the network element 140 can be integrated into a single device, as depicted in
Given the components of the infrastructure of
Given the infrastructure of
Recalling that in some embodiments of the present invention the subscription data repository 150 can maintain data associated with access service associated with the customer premises 100, the following modifications to step 320 are envisioned. In some embodiments, as part of step 320, the provisioning server 145 may determine that there does exist a record associated with the customer premises 100 maintained within the subscription data repository 150, but that the record maintained therein is associated with the access service and there does not exist a record associated with VoIP telephony service subscribed to by the user 101 at the customer premises 100. Within these embodiments of the present invention, the provisioning server 145 may then invite the user 101 to subscribe to the VoIP telephony service, for example, by sending an electronic message to the computing apparatus 115 or the communication client 116, by establishing a voice call with the user 101, by sending an SMS, by sending a letter in the mail, etc. In an alternative non-limiting embodiment of the present invention, the provisioning server 145 could transmit a query to another provisioning server associated with another service provider (not depicted) to determine whether the other provisioning server comprises a record associated with VoIP telephony service subscribed by the user 101 at the customer premises 100.
With reference to
Within these non-limiting embodiments of the present invention, the access network node 106′ can be operable to serve a plurality of access devices (only one of which, an access device 102′, is depicted) by providing access to a cable headend 160 via an access network 124′. Within these non-limiting embodiments of the present invention, the access network 124′ can be arranged in a “tree and branch” topography. Within the tree and branch topography, each of the access devices served by the access network node 106, as well as communication clients coupled to the access devices (such as, for example, the computing apparatus 115, the communication client 116, etc.) can be associated with a unique identifier, such as, but not limited to, a MAC address, an ESN, a static IP address, a proprietary identifier, etc.
Within these non-limiting embodiments of the present invention, the OSS 122 can maintain a mapping 109′, which can correlate a specific unique identifier associated with a specific access device to a location object (such as, for example, a service address) where the specific access device is located. The mapping 109′ can be provisioned, for example, when access service is provisioned at the customer premises 100. In an alternative non-limiting embodiment of the present invention, the mapping 109′ can be maintained at another entity, such as the access network node 106′, the cable headend 160, the subscription data repository 150, etc.
Within the infrastructure of
In an alternative non-limiting embodiment of the present invention, which is particularly applicable where the positioning object 222 of the subscription data repository 150 stores an indication of a unique identifier associated with the communication client 116 (such as, for example, a MAC address, an ESN, a public IP address, a proprietary identifier, etc.), the provisioning server 145 can query the subscription data repository 150, based on the unique identifier of the communication client 116 in order to determine a subscription profile. Within these non-limiting embodiments of the present invention, the mapping 109′ can be omitted and the unique identifier of the communication client 116 can be thought of as a device identifying object.
It should be noted that a multitude of other alternatives for how the provisioning server 145 can determine the location object at step 320 are envisioned and within the scope of embodiments of the present invention. As a non-limiting illustration, the access device 102 (or the communication client 116) can be equipped with a location object determination functional entity (not depicted). Some examples of the location object determination functional entity include, but are not limited to, a Global Positioning System (GPS) based entity, an RFID based entity, etc. Within these embodiments of the present invention, the provisioning server 145 can interrogate the location object determination functional entity to determine a location object associated with the access device 102 (or the communication client 116).
Within another non-limiting embodiment of the present invention, the provisioning server 145 can determine a location object associated with the communication client 116 based on an auxiliary identifier associated with the communication client 116. In some embodiments of the present invention, the communication client 116 can comprise a multi-networked communication client in the sense that it can be coupled to the core packet-switched data network 132, as well as another network, such as, for example, the Public Switched Telephone Network (PSTN) or a wireless communication network. The communication client 116 can be associated with an auxiliary identifier (such as, for example a telephone number) that uniquely identifies the communication client 116 to the other network. The telephone number associated with the communication client 116 can also be inherently associated with the location of the communication client, either by virtue of a terminating location within the PSTN scenario or by virtue of a billing address within the wireless network scenario.
Within these non-limiting embodiments of the present invention, the provisioning server 145 can become aware of the location object associated with the communication client 116 in the following manner. The user 101 can establish a first communication session with the provisioning server 145, for example, by establishing a telephony link with the provisioning server 145 via the PSTN. The provisioning server 145 becomes aware of the telephone number of the communication client 116, for example, by examining Caller Line Identification or another information transmitted as part of the signalling information used for establishing the telephony link between the communication client 116 and the provisioning server 145. Based on the telephone number of the communication client 116, the provisioning server 145 can then determine the location object associated with the communication client 116.
In an alternative embodiment of the present invention, the auxiliary identifier associated with the communication client 116 can be used as the location object associated with the communication client 116. Within these non-limiting embodiments of the present invention, the positioning object 222 stored within the subscription data repository 150 can comprise an indication of the auxiliary identifier associated with the communication client 116. The provisioning server 145 can determine a subscription profile associated with the communication client 116 by transmitting a query to the subscription data repository 150, the query including the indication of the auxiliary identifier. Within some of these embodiments of the present invention, the mapping 109′ can be omitted.
Naturally, other alternatives for the provisioning server 145 to become aware of the location object associated with the communication client 116 are possible and within the scope of the embodiments of the present invention.
Those skilled in the art will appreciate that certain functionality of the NAS 126, the OSS 122, the provisioning server 145, subscription data repository 150 and/or other elements of the infrastructure described herein may be implemented as pre-programmed hardware or firmware elements (e.g., application specific integrated circuits (ASICs), electrically erasable programmable read-only memories (EEPROMs), etc.), or other related components. In other embodiments, certain portions of the NAS 126, the OSS 122, the provisioning server 145, subscription data repository 150 and/or other elements may be implemented as an arithmetic and logic unit (ALU) having access to a code memory (not shown) which stores program instructions for the operation of the ALU. The program instructions could be stored on a medium which is fixed, tangible and readable directly by the NAS 126, the OSS 122, the provisioning server 145, subscription data repository 150 and/or other elements, (e.g., removable diskette, CD-ROM, ROM, fixed disk, USB drive), or the program instructions could be stored remotely but transmittable to the NAS 126, the OSS 122, the provisioning server 145, the subscription data repository 150 and/or other elements via a modem or other interface device.
Persons skilled in the art will appreciate that there are yet more alternative implementations and modifications possible for implementing the present invention, and that the above implementations and examples are only illustrations of one or more embodiments of the present invention. The scope of the invention, therefore, is only to be limited by the claims appended hereto.
Filing Document | Filing Date | Country | Kind | 371c Date |
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PCT/CA06/02051 | 12/14/2006 | WO | 00 | 6/12/2009 |