WO2000010337A1 - Procede permettant d'etablir au moindre cout une connexion telephonique entre un premier et un second terminal - Google Patents

Procede permettant d'etablir au moindre cout une connexion telephonique entre un premier et un second terminal Download PDF

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Publication number
WO2000010337A1
WO2000010337A1 PCT/EP1998/005084 EP9805084W WO0010337A1 WO 2000010337 A1 WO2000010337 A1 WO 2000010337A1 EP 9805084 W EP9805084 W EP 9805084W WO 0010337 A1 WO0010337 A1 WO 0010337A1
Authority
WO
WIPO (PCT)
Prior art keywords
terminal
telephone
data
telephone network
behavior
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/EP1998/005084
Other languages
German (de)
English (en)
Inventor
Roman Lex
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TELEDIS TELECOM DIENSTLEISTUNGEN AG
Original Assignee
TELEDIS TELECOM DIENSTLEISTUNGEN AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by TELEDIS TELECOM DIENSTLEISTUNGEN AG filed Critical TELEDIS TELECOM DIENSTLEISTUNGEN AG
Priority to PCT/EP1998/005084 priority Critical patent/WO2000010337A1/fr
Priority to AU92602/98A priority patent/AU9260298A/en
Publication of WO2000010337A1 publication Critical patent/WO2000010337A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H04M15/80—Rating or billing plans; Tariff determination aspects
    • H04M15/8044—Least cost routing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/64—Distributing or queueing
    • H04Q3/66—Traffic distributors
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2215/00—Metering arrangements; Time controlling arrangements; Time indicating arrangements
    • H04M2215/42—Least cost routing, i.e. provision for selecting the lowest cost tariff
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2215/00—Metering arrangements; Time controlling arrangements; Time indicating arrangements
    • H04M2215/74—Rating aspects, e.g. rating parameters or tariff determination apects
    • H04M2215/745—Least cost routing, e.g. Automatic or manual, call by call or by preselection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13096—Digital apparatus individually associated with a subscriber line, digital line circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13103—Memory
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13109—Initializing, personal profile
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13138—Least cost routing, LCR
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13204—Protocols

Definitions

  • the present invention relates to finding the cheapest telephone connection in an environment where many different telephone network providers exist. This area is also known as Least Cost Routing or LCR in specialist circles. In particular, the present invention relates to flexible and individually adapted least cost routing.
  • Least cost routing is used to set up telephone and / or data connections over a network from a large number of networks, the network actually used being selected from a cost perspective. In short, the least cost network is used.
  • Some telephone network providers require registration, while some other telephone network providers can be selected simply by prefixing the dialed number with a telephone network provider identifier. This procedure, in which no registration with the telephone network provider is fold a telephone network provider identifier must be placed in front of the telephone number, is referred to as carrier selection or as a "call-by-call" method.
  • LCR devices To automate the selection of the cheapest connection between two end devices, so-called least-cost routers or LCR devices were therefore developed which, depending on stored telephone network provider data, automatically select the cheapest connection without further intervention by the telephone customer.
  • LCR devices Such a system is described, for example, in U.S. - Patent No. 5,452,351.
  • This system enables the cheapest telephone network to be selected based on the telephone number entered.
  • the U.S. Patent also makes it possible to override the LCR function for certain telecommunications providers if, for any reason, a telephone customer wishes to make calls with a preferred telephone network provider under certain circumstances.
  • a terminal device contains stored telephone network provider identifications which have different priorities. If the terminal recognizes an entered carrier number that has a priority, this telephone network provider is selected.
  • LCR system providers offer the necessary software for this. A customer who wishes to update his LCR system can receive updated telephone network provider data from these providers for a fee.
  • a disadvantage of this situation is the fact that the telephone needs of different telephone customers can be extremely different. For example, some telephone customers will almost exclusively make local calls, while other telephone customers very often have to make long-distance or international calls to a wide variety of countries.
  • the following problem arises from this. Since it is essential that such terminals are inexpensive due to the very competitive market for telephone and fax terminals, a terminal that contains a very large amount of memory will be relatively expensive and will not be competitive with a cheaper product. However, such large memories are required in order to store essentially all telephone network provider data not only from the country in which the telephone customer is located, but also from all over the world.
  • the object of the present invention is to provide an LCR system concept which also provides an optimal selection of telephone network providers for terminals with limited memory enables.
  • This object is achieved by a method for establishing an inexpensive telephone connection between a first and a second terminal according to claim 1, by a terminal for establishing an inexpensive connection to another terminal according to claim 9 and by a service center for maintaining a terminal according to claim 14 solved.
  • the present invention is based on the knowledge that the provision of ever larger memories for an ever increasing number of telephone network provider data leads to ever more expensive terminals which are no longer competitive.
  • the telephone behavior of the telephone customers is very different, and since most telephone customers predominantly only make calls to a very few regions or local networks, it is unnecessary in an LCR system to provide data from telephone network providers from the most diverse regions of a country or even that available to the whole world.
  • the telephone behavior of a telephone subscriber in the terminal is therefore recorded over a predetermined period of time. This gives an individual picture of their telephone behavior for each telephone customer.
  • Data relating to the telephone behavior of a telephone customer are preferably transmitted to a service center, in which essentially all telephone network provider data around the world are stored.
  • a data record is created in the service center that is precisely tailored to the telephone customer. This means that the telephone customer receives very detailed telephone network provider data for the areas with which he calls very frequently, while little or no data is provided for areas with which the telephone customer calls very rarely or never. For example, if a customer frequently calls the United States, however, never to Japan, it is not required that its LCR system have telephone network operator data for Japan. On the other hand, however, it is very desirable to provide a very extensive list of telephone network providers for the United States and even for individual cities in the United States with which the telephone customer communicates very frequently.
  • a table in which the customized telephone network provider data is stored is stored at regular time intervals (intervals) e.g. B. Updated once a month.
  • This update can be carried out automatically by the terminal itself, in that the terminal automatically selects the service center after the predetermined period of time, communicates its identification number to it and also transmits data relating to the telephone behavior of the terminal.
  • the service center then carries out an analysis of the telephone behavior and provides tailored telephone network provider data for this terminal, which are then transmitted to the terminal by the service center via the telephone line.
  • the memory which has a limited capacity, is then stored in the terminal with individually adapted, ie. H. tailored, data populated. In spite of limited memory, this ensures an almost optimal choice of telephone network for precisely the connections that the terminal device will very likely also make.
  • the concept according to the invention offers a multitude of advantages.
  • the operating software of the end device can be completely exchanged if necessary by dialing in to the service center or by automatic query.
  • the consequence of this is that it is possible at any time to provide the subscriber with new functionalities by means of a software update, which also includes convenience functions such as speed dialing memory or blocking of certain number ranges.
  • a software update which also includes convenience functions such as speed dialing memory or blocking of certain number ranges.
  • the terminal has a dynamic memory management of the data for network operator selection for certain tariff zones.
  • the service center adjusts the degree of detail of this information in the respective tariff areas to the subscriber's telephone behavior. This means, for example, that initially only one data record with the cheapest network operators exists for the telephone number range "001" (USA). If, however, it is found during a data update in the service center that the telephone subscriber has a high telephone volume in the "001" area, this area is broken down even more precisely, for example by additional ones, provided that there are network operators with a correspondingly structured tariff structure Records for individual major cities in the USA. Here, more detailed breakdowns for other telephone number ranges are sacrificed. However, this does not matter if the subscriber rarely or never calls there.
  • the service center processes incoming orders from the customer and, based on these orders, possibly in cooperation with other service providers, triggers certain processes. For example, the possibility of cooperating with companies is being considered here, which will send offers to the participant, which they will then very comfortably by means of certain key combinations with special keys, for example the Star or diamond, can order.
  • a similar functionality is intended in collaboration with polling institutes, where participants can use key combinations to give their opinion on specific questions and the service center collects and processes the data.
  • the single figure shows a schematic flow diagram of the method according to the invention for establishing an inexpensive telephone connection between a first and a second terminal.
  • terminal Starting from an uninitialized, e.g. B. new, terminal first an initialization of the terminal and the telephone network provider table in the terminal must be carried out, as indicated by a block 10 in the figure.
  • the customer first enters his area code via a key combination on the telephone. This is the only input required by the customer.
  • the memory block for telephone network provider data ie the telephone network provider table, is empty. This is recognized during the initialization.
  • a service center that waits for terminal devices according to the invention is selected in order to carry out basic programming of the terminal device over the telephone network.
  • This basic programming contains a standardized, but is optimized for the corresponding local area network, which was identified by the customer input, allocation of call areas and times to correspondingly cheap telephone network providers.
  • This general basic programming which has not yet been tailored to the telephone behavior of the individual customer, is therefore stored in the telephone network provider table during initial initialization. If the telephone customer wants to make calls with the terminal after the initialization of the terminal has ended, the terminal entered the telephone number entered by the telephone customer (block 12 in the figure). The LCR module of the terminal then selects the cheapest telephone network provider (TNA) from the table based on the call number and the current time (block 14).
  • TAA cheapest telephone network provider
  • the terminal then dials the telephone network provider identifier of the selected telephone network provider, which is, for example, a number that begins with the three digits "010" (block 16).
  • the telephone network provider identifier is then followed by the number recorded in block 12, ie the number is dialed after the telephone network provider identifier (block 18). Then, if there is a free line, the call is switched through to the telephone part of the terminal (block 20).
  • the call number that was recorded in block 12 the start time of the call and the duration of the call are recorded (block 22), preferably after each call or after each fax transmission.
  • a block 24 checks after the end of a telephone call whether a predetermined time has passed, in such a way that - after the predetermined time has elapsed or at a specific time on a specific day - the telephone network provider is updated again Table pending. If the answer is "yes”, a check is also carried out in a block 28 to determine whether a call is being made. The update should, of course, not interfere with a conversation being held or a fax transmission in progress.
  • the telephone behavior of the terminal device recorded in block 22 is transmitted to a service center, preferably via the telephone line (block 30).
  • an analysis of the telephone behavior is carried out in the service center, which leads to the provision of TNA data tailored to the specific terminal by the service center, in such a way that the cheapest telephone network provider can be selected for each connection.
  • the data tailored for the telephone behavior of the terminal device is received from the terminal device (block 32), whereupon the telephone network provider table is updated in the terminal device (block 34) so that the telephone network provider data tailored to the telephone behavior of the terminal device can be accessed during the next dialing process in order for frequently dialed telephone numbers to get an absolutely optimized selection of telephone network providers.
  • connection from the terminal to the service center can either be triggered periodically by a timer in the terminal.
  • the next point in time at which the service center deems it necessary to update the terminal can be transmitted each time updated telephone network provider table data is transmitted. This function is particularly advantageous when major changes to the telephone network operator are announced at a certain time.
  • the telephone subscriber himself can initiate a transmission of the data representing the telephone behavior of the end device to the service center by means of a certain key combination on the terminal device, and thereby also a transmission of new individually tailored data from the service center to the terminal device.
  • the service center can also transmit a large number of further data to the terminal.
  • additional data include, for example, new program routines for selecting the telephone network provider in the terminal, updated software for the terminal, error corrections or completely new features.
  • the transmission both from the terminal to the service center and also from the service center to the terminal, can be encrypted in a known manner and encoded in the sense of error detection / correction.
  • the encryption ensures that no unauthorized persons can gain access to the telephone behavior of the telephone customer. It is also possible to use a toll number (e.g. 0900xxxx) or a toll-free number (0800xxxx) to establish a connection between the terminal and the service center, depending on what has been contractually agreed.
  • the service center initially serves to receive the connection data, which represent the telephone behavior of the terminal over a predetermined period of time, as well as further orders from the LCR module of the terminal, which can include, for example, the aforementioned initialization or correction requests or the like.
  • the service center also includes a device for sending the telephone network provider data tailored for the terminal to the LCR module of the terminal.
  • the service center preferably comprises a facility device for storing the user profile for the individual subscribers, for an analysis of the telephone behavior and a resultant optimization of the telephone network provider data for the individual subscribers, e.g. B. over a longer period of time, to be able to determine the telephone network provider data tailored to the telephone behavior of the terminal.
  • the service center carries out administration of the service numbers for placing the order and further processing of the orders received, it also being possible to create user groups with a view to cooperation with other service providers.
  • the service center registers with network operators who are required to register in order to be able to relieve the operator of the terminal.
  • a terminal device which, in addition to a conventional telephone or fax device, comprises an LCR module according to the invention.
  • the terminal has hardware for establishing communication over a communication network from an end user to the service center, ie to a central office.
  • the terminal requires hardware for recognizing a number dialed by the subscriber, for modifying this number and for establishing communication from the subscriber to another end subscriber via a selected communication network using the modified number.
  • the terminal comprises a device for carrying out a self-test, a device for carrying out a communication function with security functions and a device for the described initialization.
  • the telephone network provider table which contains the tailored data, can be implemented by a changeable program memory.
  • This program memory can be expanded by a data memory with a changeable memory partition for connection data, jobs, etc.
  • the terminal If the terminal is designed for an automatic update function, it includes a timer or a clock for performing the date-dependent execution. various functions, which include logging of time information, triggering processes at specific times, etc.
  • the terminal comprises a device for interacting with the user via, for example, a keyboard or a dial of the telephone and a device for signaling error states to the user and to the service center.
  • the LCR module of the terminal device requires a device for modifying the number dialed by the subscriber according to certain predefined rules, a device for arranging a number dialed by the subscriber in tariff zones, a device for carrying out a provider selection on the basis of the stored telephone network provider data, and a device for storing connection data , a device for accepting / collecting "orders" from the customer and for forwarding them to the head office and finally a device for obtaining updated versions of the operating software and / or the telephone network provider data in an automatic manner with a selectable timing or at the customer's request.
  • the terminal comprises a program area memory which comprises a non-rewritable system memory and a changeable program memory.
  • the memory of the terminal device contains a data area memory which can be partitioned into a first area and a second area, both of which can be changed. Routines for self-testing and for initializing the hardware are located in the non-rewritable system memory part of the program area memory. In addition, elementary communication functions and a "boot loader" are stored there, which will be discussed later.
  • the actual operating software of the end device is located in the changeable part of the program area memory, which, when dialing, selects the most favorable area code for the subscriber, ie telephone network provider identifier, ascertained and the storage of the conversation data over a predetermined period of time and also enables the data exchange with the service center.
  • the data area memory is in principle freely divisible, with in the first part of the data area memory a table of local area network areas and time-related data from cheapest telephone network providers, which is dynamically managed depending on customer behavior, is used, while a further memory area contains the call data recorded by the LCR module, which Represent telephony behavior of the terminal, can record.
  • the data obtained from the terminal relating to the telephone behavior of the terminal, which are recorded over a predetermined period of time, are stored in a memory area of the data area memory, while the data received by the service center are tailored to the telephone behavior of the terminal
  • Telephone network provider data are stored in another memory area of the data area memory in order to implement the telephone network provider table.
  • the "bootloader" function of the terminal is discussed below.
  • a hardware system test is first carried out.
  • An initialization routine is then called in the system area of the program memory. This checks whether the program area contains a correct program. If this check fails, the number of the service center permanently programmed in the system area is called and a transfer of the operating software is initiated.
  • the new software is first loaded into the second area of the data area memory, whereupon a copy routine is called, which the software then copies into the program area.
  • the program execution is then continued at a predefined point in the program area, with the data areas initially being initialized.
  • the software transmission to the LCR module can also be carried out by the subscriber himself using a special key combination can be triggered if, for example, the subscriber has previously been informed by the service center that there is a software version with new program features.
  • This program update includes the additional property that the data collected in the second area of the data area memory is first transmitted to the service center.
  • the LCR module After a definable period of time, which is, for example, one month, the LCR module first selects the service center so that the terminal can transmit an identification number and the data relating to the telephone behavior of the terminal to the service center.
  • the service center based on the telephone behavior of the subscriber to whom the identification number (ID) received is assigned, a new combination of the cheapest telephone network providers is determined for various subscriber number ranges relevant to the subscriber. The manner in which these number ranges are broken down is handled dynamically according to the invention, depending on the telephone behavior of the customer and on the offers available from telephone network providers.
  • the data determined in this way are then transmitted from the service center to the terminal device and stored in the first data area of the data area memory.
  • the LCR module of the terminal works according to the "call-by-call" method, which was already mentioned at the beginning, in that it accepts the number dialed by the subscriber and is transparent to the subscriber depending on the dialing code selected and the current time of day based on its stored telephone network provider data, the cheapest telephone network provider is determined, whose network operator identification number precedes the call number and carries out a dialing process.
  • the connection data for the individual connections are stored in the terminal.
  • the terminal can sluggish "to the service center, which can be triggered using certain key combinations on the end device.
  • the terminal can also receive the data tailored to the recorded telephony behavior in a different way than via the telephone network, eg. B. on a floppy disk or other storage medium, which is sent to the customer by the service center via post, and which the customer then z. B. can be inserted into a floppy drive of the terminal to load the data manually, as it were.
  • the telephone network eg. B. on a floppy disk or other storage medium
  • the customer is signaled from his telephone that a predetermined time period, etc. has now passed. Then the customer can change the data regarding his telephone behavior on e.g. B. download a floppy disk and send it to a service center, for example, by post, and the telephone network provider data tailored to this telephone behavior is then determined.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Telephonic Communication Services (AREA)
  • Meter Arrangements (AREA)

Abstract

L'invention concerne un procédé permettant d'établir au moindre coût une liaison téléphonique entre un premier et un second terminal. Selon le procédé, le comportement téléphonique du premier terminal est détecté sur un certain intervalle de temps (22, 24). Un centre de services fournit au terminal (32) des données sur les différentes entreprises de télécommunication, adaptées à son comportement téléphonique et comprenant des indications tarifaires. Pour l'établissement planifié d'une liaison téléphonique entre le premier et le second terminal, ledit premier terminal sélectionne (14) l'entreprise la moins chère sur la base des données adaptées à son comportement téléphonique et établit une liaison téléphonique avec l'autre terminal par l'intermédiaire du réseau téléphonique de l'entreprise sélectionnée (16, 18, 20). Ce système permet, malgré la capacité mémoire réduite du terminal, de fournir des données complètes sur les entreprises de télécommunication, d'une manière sélective et adaptée aux régions dans lesquelles l'utilisateur téléphone effectivement, et donc de trouver à chaque fois l'entreprise la moins chère. Un terminal ne nécessite ainsi qu'une mémoire à capacité réduite, dans laquelle un centre de services peut charger des données sur les entreprises adaptées de manière optimale audit terminal.
PCT/EP1998/005084 1998-08-11 1998-08-11 Procede permettant d'etablir au moindre cout une connexion telephonique entre un premier et un second terminal Ceased WO2000010337A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/EP1998/005084 WO2000010337A1 (fr) 1998-08-11 1998-08-11 Procede permettant d'etablir au moindre cout une connexion telephonique entre un premier et un second terminal
AU92602/98A AU9260298A (en) 1998-08-11 1998-08-11 Method for establishing an economical telephone connection between a first and asecond terminal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP1998/005084 WO2000010337A1 (fr) 1998-08-11 1998-08-11 Procede permettant d'etablir au moindre cout une connexion telephonique entre un premier et un second terminal

Publications (1)

Publication Number Publication Date
WO2000010337A1 true WO2000010337A1 (fr) 2000-02-24

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PCT/EP1998/005084 Ceased WO2000010337A1 (fr) 1998-08-11 1998-08-11 Procede permettant d'etablir au moindre cout une connexion telephonique entre un premier et un second terminal

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AU (1) AU9260298A (fr)
WO (1) WO2000010337A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2806862A1 (fr) * 2000-03-24 2001-09-28 Phonatis Procede et systeme pour reduire la facture telephonique des entreprises

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0676888A1 (fr) * 1994-04-04 1995-10-11 Rates Technology Inc. Méthode et système d'actualisation de base de données de tarification
AU3428995A (en) * 1994-10-17 1996-05-02 Right Hemisphere Pty Limited Least cost call routing system with remote tariff updating
WO1998032288A2 (fr) * 1997-01-21 1998-07-23 Callmanage Ltd. Systeme de gestion des appels pour systeme de telecommunication

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0676888A1 (fr) * 1994-04-04 1995-10-11 Rates Technology Inc. Méthode et système d'actualisation de base de données de tarification
AU3428995A (en) * 1994-10-17 1996-05-02 Right Hemisphere Pty Limited Least cost call routing system with remote tariff updating
WO1998032288A2 (fr) * 1997-01-21 1998-07-23 Callmanage Ltd. Systeme de gestion des appels pour systeme de telecommunication

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2806862A1 (fr) * 2000-03-24 2001-09-28 Phonatis Procede et systeme pour reduire la facture telephonique des entreprises

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AU9260298A (en) 2000-03-06

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