AU3087800A - Subscription handler interface between a customer administrative system and database network elements of communications network - Google Patents
Subscription handler interface between a customer administrative system and database network elements of communications network Download PDFInfo
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- AU3087800A AU3087800A AU30878/00A AU3087800A AU3087800A AU 3087800 A AU3087800 A AU 3087800A AU 30878/00 A AU30878/00 A AU 30878/00A AU 3087800 A AU3087800 A AU 3087800A AU 3087800 A AU3087800 A AU 3087800A
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- Prior art keywords
- database
- network
- subscription
- network elements
- order
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- 238000004891 communication Methods 0.000 title claims description 29
- 230000000694 effects Effects 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 10
- 230000006870 function Effects 0.000 claims description 9
- 230000001419 dependent effect Effects 0.000 claims description 5
- 230000004044 response Effects 0.000 description 19
- 230000009471 action Effects 0.000 description 16
- 230000004913 activation Effects 0.000 description 14
- 238000001994 activation Methods 0.000 description 14
- 238000012545 processing Methods 0.000 description 7
- 238000012550 audit Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 230000001427 coherent effect Effects 0.000 description 5
- 238000007726 management method Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000001413 cellular effect Effects 0.000 description 2
- 230000009849 deactivation Effects 0.000 description 2
- 238000012217 deletion Methods 0.000 description 2
- 230000037430 deletion Effects 0.000 description 2
- 230000009118 appropriate response Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000002161 passivation Methods 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/18—Processing of user or subscriber data, e.g. subscribed services, user preferences or user profiles; Transfer of user or subscriber data
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/24—Accounting or billing
Description
WO 00/38437 PCT/SE99/02233 -1 SUBSCRIPTION HANDLER INTERFACE BETWEEN A CUSTOMER ADMINISTRATIVE SYSTEM AND DATABASE NETWORK ELEMENTS OF A COMMUNICATIONS NETWORK 5 BACKGROUND OF THE INVENTION Technical Field of the Invention The present invention relates to communications networks and, in particular, to an enhancement of the interface between a customer administrative system and database network elements of a communications network to support a subscription 10 handling functionality. Description of Related Art Reference is now made to FIGURE 1 wherein there is shown a block diagram illustrating a portion of a communications network 10 implementing a prior art transaction-based interface (IF) 12 between a customer administrative system (CAS) 15 14 and a plurality of database network elements (NE) 16. The interface 12, customer administrative system 14, and database network elements 16 are interconnected using a network 18 preferably comprising a network, such as an X.25 network, separate and apart from the communications network 10. As an example, the communications network 10 may comprise a wireless (for example, cellular) telecommunications 20 system, with each database network element 16 then comprising, for example, a database storing permanent and temporary wireless subscriber data (e.g., a home location register (HLR)). The permanent data stored in the database network element 16 comprises fixed information concerning the communications service subscripted to by each subscriber. The temporary data stored in the database network element 16 25 comprises variable information, such as in the instance of a home location register information concerning the current location of each subscriber. The customer administrative system 14 is utilized to engage in transactions relating to the administration of the permanent data stored in each database network element 16. These administration activities, in general, relate to transactions 30 performed for the purposes of customer (i.e., subscriber) creation or deletion, service activation, and the like, relating to a given customer. More particularly, the transactions relate to subscriber data administration tasks such as: - subscription initiation/removal/status, - subscriber activation/cancellation, 35 - service provision/withdrawal/activation/passivation, - C-number (transfer) definition, WO 00/38437 PCT/SE99/02233 -2 - pass code changes, and - serial number changes. The transactions may further relate to authentication administration tasks such as authentication activation/change/deactivation/status. Additionally, the transactions 5 relate to numbering plan configuration including number range assignment, numbering plan deletion and numbering plan viewing. To support these transactions, the customer administrative system 14 includes a database (not shown) for storing subscription and other related information. By "transaction-based" it is meant that the interface 12 receives orders 10 originated at the customer administrative system 14 and directed (i.e., addressed) to a particular one ofthe database network elements 16, converts those orders to a proper format for communication to and/understanding by the addressed database network element, and routes the properly formatted orders to the addressed database network element. Similarly, the interface 12 receives any response to a transmitted order from 15 the addressed database network element 16, converts the response to a proper format for communication to and/understanding by the customer administrative system 14 that originated the order, and routes to the originating customer administrative system. Thus, one order generated by the customer administrative system 14 which is sent through the interface 12 to an addressed database network element 16 produces one 20 corresponding response. The interface 12 accordingly functions in an non-intelligent routing fashion to simply pass information (orders and responses) back and forth between the customer administrative system 14 and the database network elements 16. SUMMARY OF THE INVENTION With continued reference to FIGURE 1, the prior art interface 12 does not keep 25 any permanent or semi-permanent record of the customer administrative system 14 orders or the corresponding database network element 16 responses. Because no record is kept of the orders and responses, the interface 12 has no real-time knowledge of what information is stored (or should be stored) in the database network elements 16 for each subscription. There are a number of drawbacks which arise from the 30 failure to keep such records. First, in the event that a given database network element 16 does not support automatic roll-back following a failed customer administrative transaction, and when such a roll-back is needed for that given database network element, the interface cannot direct the roll-back and return the database network element to its prior state because it does not know what the state should be. Second, 35 the interface 12 cannot perform subscription audits without the assistance and involvement of the customer administrative system 14 which presumably has access WO 00/38437 PCT/SE99/02233 -3 to the necessary information. There is a need then for a more intelligent interface capable of recording order and response information, and allowing these records to be utilized in supporting roll-back and audit operations. It is also recognized that the prior art interface 12 does not have any network 5 over-view knowledge (also referred to "network modeling") concerning the subscriptions maintained in the database network elements 16. By this it is meant that the interface does not understand the relationships between the following: the subscribers, their subscriptions, the included services within each subscription, the nodes ofthe network where service-related information is stored for each subscription, 10 and the status of subscription and service activation. There are a number of concerns with respect to this deficiency. First, as discussed briefly above, due to the lack of access to this kind of information, the interface 12 cannot perform a roll-back or subscription audit without the assistance and involvement of the customer administrative system 14. Second, in some instances a customer administrative 15 system 14 inadvertently may issue an incoherent order. By incoherent it is meant that the order is not understandable by, or is inapplicable to, the addressed database network element 16 based on the network over-view knowledge. An order may also be incoherent if it conflicts with another request received by that database network element 16 or conflicts with or must be processed in parallel with, for instance, a 20 request made to another database network element. Because the interface 12 does not possess any network over-view knowledge, it fails to recognize that the order is incoherent, and simply blindly passes the order on to the addressed database network element. At best, node, interface and network communications resources are wasted in processing (and thereafter rejecting) this incoherent order. At worst, erroneous 25 modification of stored information in the database network element 16 may occur as a result of order processing. In either case, this result is unacceptable, and there should exist some way for the interface to intelligently process the orders in accordance with some network over-view knowledge and intercept, before transmittal to the database network elements, any incoherent orders originated from the customer administrative 30 system 14. To address these and other drawbacks with the prior art interface, a present invention interface between a customer administrative system and one or more database network elements of a communications system includes a subscription handler functionality. In general, this functionality comprises a subscription handler 35 service agent in communication with a database storing certain network over-view knowledge (network modeling) concerning the subscriptions maintained in the database network elements. The service agent accordingly has access to information WO 00/38437 PCT/SE99/02233 -4 defining the relationships between subscribers, their subscriptions, the included services within each subscription, the nodes of the network where service-related information is stored for each subscription, and the status of subscription and service activation. The service agent functions responsive to a received order originated by 5 the customer administrative system to permanently or semi-permanently record in the database network over-view knowledge comprising customer administrative system orders and any corresponding database network element responses. The service agent further functions responsive to a received order originated by the customer administrative system to evaluate the order against the database stored network over 10 view knowledge, and responsive to such an evaluation identify and intercept incoherent orders that are not understandable by, or are inapplicable to, the addressed database network element. BRIEF DESCRIPTION OF THE DRAWINGS A more complete understanding of the method and apparatus of the present 15 invention may be acquired by reference to the following Detailed Description when taken in conjunction with the accompanying Drawings wherein: FIGURE 1, previously described, is a block diagram of a portion of a communications network implementing a prior art transaction-based interface between a customer administrative system and a plurality of database network elements; 20 FIGURE 2 is a block diagram of a portion of a communications network with a present invention subscription handler interface between a customer administrative system and a plurality of database network elements; and FIGURE 3 is a nodal operation and signal flow diagram illustrating interface operation for handling customer administrative system requests. 25 DETAILED DESCRIPTION OF THE DRAWINGS Reference is now made to FIGURE 2 wherein there is shown a block diagram of a portion of a communications network 20 implementing a present invention subscription handler interface (IF) 22 between a customer administrative system (CAS) 24 and a plurality of database network elements (NE) 26. The interface 30 22, customer administrative system 24, and database network elements 26 are interconnected using a network 28 preferably comprising a network, such as an X.25 network, separate and apart from the communications network 20. As an example, the communications network 20 may comprise a wireless (for example, cellular) communications system, with each database network element 26 then comprising a 35 database storing permanent and temporary wireless subscriber data (e.g., a home WO 00/38437 PCT/SE99/02233 -5 location register (HLR)) as previously described. Thus, the database network elements 26 store permanent data comprising subscriber communications service information, and temporary data comprising the current location of each subscriber. As another example, the communications network 20 comprises an Internet protocol (IP) type data 5 communications network, with each database network element 26 then comprising an IP service node. The interface 22 includes a subscription handler service agent 30 which supports not only conventional transaction-based processing in the same manner as the prior art interface 12 illustrated in FIGURE 1 and previously described, but also 10 supports subscription handler processing in accordance with the present invention. A database 32 is provided for the interface 22 for storing certain network over-view knowledge (network modeling) concerning the subscriptions maintained in the database network elements 26. The service agent 30 is charged with overall subscription handling duties and thus coordinates customer administrative system 24 15 access to the database network elements 26 in the context of the stored network over view knowledge. The service agent 30 accordingly functions to (a) store each received customer administrative system 24 order in the database 32, (b) identify for each order the database network element(s) 26 that must be accessed in order to implement the ordered activity, (c) identify the particular activation or management action(s) to be 20 taken by each database network element in connection with that order, (d) identify the individual element specific command(s) needed to effectuate those actions, (e) determine whether each specific command presents a coherent request with respect to the identified database network element in view of the stored network over-view knowledge, (f) generate each of those coherent individual element specific commands 25 in a proper format (i.e., tailored) for communication to and/understanding by the identified database network elements, (g) issue the individual element specific commands to each of those database network elements, and (h) store any responses received from the database network elements in the database, and sends the appropriate response to the customer administrative system. At each, the network 30 model is modified as appropriate. Thus, for each received order, the appropriate ones of the plural database network elements 26 are identified and issued appropriately formatted and coherent individual element specific commands. The agent 30 further receives any response to the individual element specific commands from the network elements 26, converts the responses (if necessary) to a single response in a proper 35 format for communication to and/understanding by the customer administrative system 24 that originated the order, and routes the properly formatted response to that originating customer administrative system.
WO 00/38437 PCT/SE99/02233 -6 The database 32 stored network over-view knowledge defines the relationships between the following: the subscribers, their subscriptions, the included services within each subscription, the nodes of the network where service-related information is stored for each subscription, and the status of subscription and service activation. 5 The network over-view knowledge stored in the database 32 identifies for each subscriber the relationship between that subscriber and the services to which that subscriber is subscripted. Furthermore, the network over-view knowledge stored in the database 32 identifies any relationships between two services. An example of this may comprise the identification in the database 32 of a given service (such as flexible 10 call forwarding) in a relationship which requires the subscriber to simultaneously be subscripted to another service (such as unconditional call forwarding) in order for the given service to be implemented. Still further, the network over-view knowledge stored in the database 32 identifies the relationship between each service and the node(s), such as database network elements 26, on which that service is provided. 15 Additionally, the network over-view knowledge stored in the database 32 identifies the current status of service activations. An example of this is the storage of customer administrative system requests sent to a database network element and for which responses have not yet been received. Reference is now additionally made to FIGURE 3 wherein there is shown a 20 nodal operation and signal flow diagram illustrating interface 22 agent 30 operation for handling customer administrative system 24 requests. The customer administrative system 24 sends a machine independent (i.e., generic) order 40 to the interface 22. The agent 30 stores the received order in action 42 in the database 32. The stored order accordingly becomes part of the database stored network over-view knowledge. 25 The agent 30 further identifies in action 44 which ones of the plurality of database network elements 26 need to be accessed in order to complete the requested service/subscription activation or management activity. To support the identification process of action 44, the agent 30 accesses the database stored network over-view knowledge concerning service, subscription and node relationships. The agent 30 30 accordingly recognizes for the received order which database network element(s) 26 needs to be communicated with in order to effectuate a service/subscription related activation or management task. Following identification of these implicated database network elements 26, the interface 22 next identifies in action 46 the particular action(s) to be taken by each database network element in connection with 35 implementing that received request 40. The actions to be taken may comprise, for example, activation or management actions to store certain data, modify certain data and/or delete certain data from each of the implicated database network elements 26.
WO 00/38437 PCT/SE99/02233 -7 The interface 22 next identifies in action 48 the element specific commands which are needed to effectuate those actions by each of the database network elements 26. Once the commands are identified, the interface determines in action 50 whether each specific command (relating to the original customer administrative system order) 5 presents a coherent request with respect to the identified database network element in view of the stored network over-view knowledge. The point of this processing action 50 is to identify whether the customer administrative system has inadvertently issued an incoherent order. By incoherent it is meant that the order (and/or its resulting command(s)) is not understandable by, or is inapplicable to, the identified database 10 network element 26 based on the network over-view knowledge. An order (or command) may also be incoherent if it conflicts with another order (or command) made to that identified database network element 26 or conflicts with or must be processed in parallel with an order (or command) made to the same or to another database network element. These determined coherent, element specific commands 15 are then formatted by action 52 in accordance with a certain format and protocol associated with each individual one of the identified database network elements 26 (such as a machine dependent language). In one implementation, the original machine independent order 40 is converted into a plurality of machine dependent commands 54 tailored to the identified database network elements. The interface 22 then issues 20 the properly formatted device specific commands 54 to each ofthe implicated database network elements 26. Once an issued, properly formatted command 54 has been received by an identified one of the database network elements 26, that element processes the command in action 56 to effectuate the required service/subscription related activation or management task. Once the task has been completed, the 25 database network element 26 sends a confirmation response 58 back to the interface 22. The agent 30 then stores the received response in action 60 in the database 32. The stored response accordingly becomes part of the database stored network over view knowledge. The responses 58 are further compiled, if necessary, and any resulting response 62 is returned to the customer administrative system 24. 30 Reference is now once again made to FIGURE 2. Storage of network over view knowledge in the interface 22 facilitates the more efficient offering of a number of services. First, a more efficient and comprehensive roll-back service may be offered as the stored network over-view knowledge is readily available at the interface 22 for its use in connection with directing roll-back to a prior state. Thus, there would 35 be no need or requirement with the present invention for customer administration system participation in the roll-back activity. Furthermore, there would be no need in the present invention to have each database network element include specialized WO 00/38437 PCT/SE99/02233 -8 functionality for supporting roll-back. The interface can accordingly operate to restore data in modified database network elements to former values. Second, a more efficient and comprehensive subscription audit service may be offered as the stored network over-view knowledge is readily available at the interface 22 for its use in 5 auditing the network and responding to third party audit requests. Thus, there would be no need or requirement with the present invention for customer administration system participation in the auditing activity. The interface can accordingly audit the database network elements, and compare its subscriptions and subscription data to that actually stored in the network. Third, coherence checks of all orders (or commands) 10 may be made before sending commands to individual database network elements. More particularly, as each subscription is now managed by the subscription handler interface of the present invention, all orders concerning that subscription are received by the interface and processed to detect and resolve conflicting or concurrent orders. A number of other benefits arise from the implementation of the subscription 15 handler interface of the present invention. First, each subscription is now modeled within the interface rather than within the customer administrative system. This architecture supports the use of a lightweight processing capability customer administrative system as the intelligence and processing functions now reside in the interface. Furthermore, through the network connection, the customer administrative 20 system has direct access to the interface resulting in direct visibility over each subscription. Second, with network over-view knowledge maintained in the interface, it becomes a much easier task to coordinate dependent services support between multiple interfaces and multiple database network elements. Third, the interface, with network over-view knowledge, may offer a common abstract model at the customer 25 administrative system rather than just reproducing the specifics of the individual database network element possibilities. This provides an enhanced facility for hiding the specificities (and differences) in the underlying network and database network elements from the customer administrative system. It further allows for data selection of certain values even if not directly supported by the specific database network 30 element. Fourth, clients of the interface (not necessarily limited to the customer administrative system) may make enquiries and receive information concerning changes in status of a subscription being monitored by the interface. Fifth, clients of the interface (not necessarily limited to the customer administrative system) may obtain information concerning the status of time consuming tasks initiated by the 35 interface (like service activation/deactivation or subscription data modification). Although preferred embodiments of the method and apparatus of the present invention have been illustrated in the accompanying Drawings and described in the WO 00/38437 PCT/SE99/02233 -9 foregoing Detailed Description, it will be understood that the invention is not limited to the embodiments disclosed, but is capable of numerous rearrangements, modifications and substitutions without departing from the spirit of the invention as set forth and defined by the following claims.
Claims (11)
1. A system, comprising: a customer administrative system operating to issue an order concerning a subscription management activity or task; 5 a plurality of database network elements of a communications system, the database network elements supporting individual services in relation to subscriptions; and an interface between the customer administrative system and each of the plurality of database network elements, the interface including: 10 a database for storing network over-view knowledge in the form of a network model; and a subscription handler service agent functionality responsive to the issued order for storing the order in the database as network over-view knowledge, identifying the subscription and related services implicated by the 15 order, identifying the database network elements supporting those identified certain individual services for the subscription, determining at least one device specific command for each of those identified database network elements to implement the requested subscription management activity or task, and performing a coherency check on the order and any determined device specific 20 command in view of the network model to detect conflicting orders and commands before issuance to the identified database network elements.
2. The system as in claim 1 wherein the communications network comprises a wireless telecommunications network and the database network elements comprise home location registers of the wireless telecommunications network. 25
3. The system as in claim 1 wherein the database stored network over view knowledge for the network model comprises information defining relationships between subscribers, their subscriptions, any included and excluded services within each subscription, database network elements where service-related information is stored for each subscription, and a status of the subscription management activity or 30 task.
4. An interface between a customer administrative system and a plurality of database network elements of a communications network, the interface including a subscription handler service agent functioning to: store network over-view knowledge in the form of a network model; WO 00/38437 PCT/SE99/02233 -11 receive an order concerning a subscription management activity or task; store the order as network over-view knowledge; identify the subscription and related services implicated by the order; identify the database network elements supporting those identified certain 5 individual services for the subscription; determine at least one device specific command for each of those identified database network elements to implement the requested subscription management activity or task; and perform a coherency check on the order and determined device specific 10 command in view of the network model to detect conflicting orders and commands before issuance to the identified database network elements.
5. The interface as in claim 4 wherein the communications network comprises a wireless telecommunications network and the database network elements comprise home location registers of the wireless telecommunications network. 15
6. The interface as in claim 4 wherein the agent function to determine further functions to determine each device specific command in a machine dependent language for the identified certain ones of the database network elements.
7. The interface as in claim 4 wherein the database stored network over view knowledge for the network model comprises information defining relationships 20 between subscribers, their subscriptions, any included and excluded services within each subscription, database network elements where service-related information is stored for each subscription, and a status of the subscription management activity or task.
8. A method for interfacing a customer administrative system and a 25 plurality of database network elements of a communications network, the method comprising the steps of: storing network over-view knowledge in the form of a network model; receiving an order concerning a subscription management activity or task; storing the order as network over-view knowledge; 30 identifying the subscription and related services implicated by the order; identifying the database network elements supporting those identified certain individual services for the subscription; WO 00/38437 PCT/SE99/02233 -12 determining at least one device specific command for each of those identified database network elements to implement the requested subscription management activity or task; and performing a coherency check on the order and determined device specific 5 command in view of the network model to detect conflicting orders and commands before issuance to the identified database network elements.
9. The method as in claim 8 wherein the communications network comprises a wireless telecommunications network and the database network elements comprise home location registers of the wireless telecommunications network. 10
10. The method as in claim 8 wherein the agent function to determine further functions to determine each device specific command in a machine dependent language for the identified certain ones of the database network elements.
11. The method as in claim 8 wherein the database stored network over view knowledge for the network model comprises information defining relationships 15 between subscribers, their subscriptions, any included and excluded services within each subscription, database network elements where service-related information is stored for each subscription, and a status of the subscription management activity or task.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US21776898A | 1998-12-21 | 1998-12-21 | |
| US09217768 | 1998-12-21 | ||
| PCT/SE1999/002233 WO2000038437A2 (en) | 1998-12-21 | 1999-11-30 | Subscription handler interface between a customer administrative system and database network elements of a communications network |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| AU3087800A true AU3087800A (en) | 2000-07-12 |
Family
ID=22812431
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AU30878/00A Abandoned AU3087800A (en) | 1998-12-21 | 1999-11-30 | Subscription handler interface between a customer administrative system and database network elements of communications network |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP1142355A2 (en) |
| AU (1) | AU3087800A (en) |
| CA (1) | CA2356892A1 (en) |
| WO (1) | WO2000038437A2 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE60222544T2 (en) * | 2002-07-18 | 2008-06-19 | Telefonaktiebolaget Lm Ericsson (Publ) | Management system and method for the provision of subscription services |
| EP1825705B1 (en) * | 2004-12-14 | 2016-11-16 | Telefonaktiebolaget LM Ericsson (publ) | Method and apparatus for controlling a provisioning process in a telecommunications system |
| US9621716B2 (en) | 2010-06-10 | 2017-04-11 | Blackberry Limited | Method and system for secure provisioning of a wireless device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5592664A (en) * | 1991-07-29 | 1997-01-07 | Borland International Inc. | Database server system with methods for alerting clients of occurrence of database server events of interest to the clients |
| US5805886A (en) * | 1994-09-26 | 1998-09-08 | Intel Corporation | Method for notifying client applications of events in a shared application in a computer system |
| US5781737A (en) * | 1996-04-30 | 1998-07-14 | International Business Machines Corporation | System for processing requests for notice of events |
| US6094660A (en) * | 1997-11-21 | 2000-07-25 | Telefonaktiebolaget Lm Ericsson | Customer administrative system management of redundant database network elements in a telecommunications system |
| US6041327A (en) * | 1997-12-12 | 2000-03-21 | Telefonaktiebolaget Lm Ericsson | Implementation of notification capabilities in relational databases |
-
1999
- 1999-11-30 AU AU30878/00A patent/AU3087800A/en not_active Abandoned
- 1999-11-30 CA CA002356892A patent/CA2356892A1/en not_active Abandoned
- 1999-11-30 WO PCT/SE1999/002233 patent/WO2000038437A2/en not_active Application Discontinuation
- 1999-11-30 EP EP99964835A patent/EP1142355A2/en not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| EP1142355A2 (en) | 2001-10-10 |
| WO2000038437A2 (en) | 2000-06-29 |
| WO2000038437A3 (en) | 2000-11-02 |
| CA2356892A1 (en) | 2000-06-29 |
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| Date | Code | Title | Description |
|---|---|---|---|
| MK5 | Application lapsed section 142(2)(e) - patent request and compl. specification not accepted |