[go: up one dir, main page]

WO1997043868A1 - Systeme de telecommunication avec selection de services a large bande par l'intermediaire de reseaux intelligents - Google Patents

Systeme de telecommunication avec selection de services a large bande par l'intermediaire de reseaux intelligents Download PDF

Info

Publication number
WO1997043868A1
WO1997043868A1 PCT/DE1997/000965 DE9700965W WO9743868A1 WO 1997043868 A1 WO1997043868 A1 WO 1997043868A1 DE 9700965 W DE9700965 W DE 9700965W WO 9743868 A1 WO9743868 A1 WO 9743868A1
Authority
WO
WIPO (PCT)
Prior art keywords
service
point
switching
control function
call control
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/DE1997/000965
Other languages
German (de)
English (en)
Inventor
Alexander Van Der Vekens
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.)
Siemens AG
Siemens Corp
Original Assignee
Siemens AG
Siemens Corp
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 Siemens AG, Siemens Corp filed Critical Siemens AG
Priority to EP97923812A priority Critical patent/EP0898854A1/fr
Priority to CA002254884A priority patent/CA2254884A1/fr
Publication of WO1997043868A1 publication Critical patent/WO1997043868A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L49/00—Packet switching elements
    • H04L49/10—Packet switching elements characterised by the switching fabric construction
    • H04L49/104—Asynchronous transfer mode [ATM] switching fabrics
    • H04L49/105—ATM switching elements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/42—Systems providing special services or facilities to subscribers
    • H04M3/4228—Systems providing special services or facilities to subscribers in networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing
    • H04Q11/0428—Integrated services digital network, i.e. systems for transmission of different types of digitised signals, e.g. speech, data, telecentral, television signals
    • H04Q11/0478—Provisions for broadband connections
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/0016—Arrangements providing connection between exchanges
    • H04Q3/0029—Provisions for intelligent networking
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/54—Store-and-forward switching systems 
    • H04L12/56—Packet switching systems
    • H04L12/5601—Transfer mode dependent, e.g. ATM
    • H04L2012/5625—Operations, administration and maintenance [OAM]
    • H04L2012/5626—Network management, e.g. Intelligent nets
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/54—Store-and-forward switching systems 
    • H04L12/56—Packet switching systems
    • H04L12/5601—Transfer mode dependent, e.g. ATM
    • H04L2012/5629—Admission control
    • H04L2012/563—Signalling, e.g. protocols, reference model

Definitions

  • intelligent networks IN in which an intelligent service call originating from any subscriber terminal device, according to the provider of the intelligent service, sets up more or less complex connection configuration is initiated.
  • functionality of an intelligent service is essentially given by a call number conversion, which is switched through depending on, for example, the time of day and the location of the outgoing call to a specific receiving point.
  • intelligent network services are: connections that are free of charge for the calling subscriber terminal (in the switching network of DeutscheInstitut 0130er numbers),
  • the switching network may forward data in digital form in fixed length message cells according to an asynchronous transmission method, preferably according to the ATM (Asynchronous Transfer Mode) transmission method.
  • ATM Asynchronous Transfer Mode
  • the subject of the registration relates to a switching system for dialing an intelligent network service by a subscriber. 8.
  • Merend furnished TE according to the preamble of claims 1, 5, 6, 7 and 8 respectively.
  • a switching system with the specified features is known from the ITU-T (Telecommunication Standardization Sector Of International Telecommunication Union) Recommendation Q121 *. This recommendation gives recommendations at the level of functional models for intelligent services in narrowband networks.
  • the object of the application is based on the problem of creating a switching system, in particular also a switching system for switching broadband services, in which an expandability with the functionality of intelligent services goes hand in hand with a small need to change existing units.
  • the object of the application is further based on the problem of creating a switching system having the functionality for intelligent services, in particular also a switching system for switching broadband services, in which the individual functional units have a low level of complexity.
  • the extensive separation of the call control function and the service switching function brings with it a simple expandability of a switching node, which has not been able to use intelligent services until now, to include the functionality of an ability to process intelligent services. It makes itself noticeably noticeable that the interface between the call control function and the service switching function can be kept very small and the effort for changes in the call control function which has existed up to now remains small to adapt to the new functionality.
  • the call control function CCF of a switching node which allows the connection of intelligent network services according to the application, has no new control properties compared to a call control function CCF of a switching node, which does not allow switching through of intelligent network services.
  • the division of the call control function CCF and the service switching function SSF into separate classes of software on the one hand makes it possible to avoid mixed forms of functional units which have functionalities of another functional unit and on the other hand opens up the possibility of implementing the call control function CCF one hardware platform and the service switching function SSF on another hardware platform.
  • a location point is reported by the call control function to the service switching function.
  • the call control function is kept free of processing operations triggered by the detection point, or the processing of intelligent service-specific processes takes place independently of the call control function.
  • FIG. 1 shows a basic representation of a switching network with a switching node SSP 1, to which a subscriber terminal TE and a service control point SCP are connected
  • FIG. 2 shows an object diagram for the object model of the service switching function shown in FIG. 1 in the switching node SSF,
  • FIG. 3 shows a time sequence plan using the example of setting up an IN call
  • FIG. 4 shows a time sequence plan using the example of a triggering of an IN call.
  • SSP 1 for: Service Switching Point
  • a switching node has a call control function CCF (for: call control function) shown as a block and a service switching function SSF (for: service switching function) shown as a block.
  • the service control point has a service control function SCF (for: Service Control Function) which is shown as a block and which, for example, effects the connection of a connection free of charge for the calling subscriber terminal.
  • a subscriber terminal connected to the switching network can dial an intelligent broadband service, such as the transmission of a video sequence in real time, by issuing dialing indicators.
  • the remote switching node SSP 2 is constructed in the same way as the local switching node SSP 1, with the difference that the switching node SSP 2 has no direct connection to the service control point SCP.
  • the subscriber terminal TE 2 connected to the switching node SSP 2 can select an intelligent network service in the service control point SCP via the connection between the switching node SSP 2 and the switching node SSP 1.
  • Service switching function SSF and the classes shown with shadows do not belong to the service switching function SSF, but are connected to the service switching function.
  • the call control function CCF and the service switching function SSF are divided into separate classes of software.
  • the discovery points DP for: Detection Points
  • BCSM Basic Call State Model
  • the call controller CC informs a discovery point treatment device DP-M (for: detection point manager). Every possible detection point is thus reported by the call control function CCF to the service switching function SSF.
  • the detection point treatment device DP-M determines whether the detection point DP concerned is equipped either as an event detection point EDP (for: event detection point) or as a trigger detection point TDP (for: trigger detection point).
  • the call controller CC can decide whether it should influence the call by the service control point SCP by calling the method 'request to the service control point' (SCP request) in the discovery point treatment facility DP-M and taking a waiting access Status permits, or whether a notification to the service control point SCP can be given only by calling the method 'notification of the service control point' (SCP notification) in the discovery point treatment facility DP-M.
  • the call control CC can continue with the call handling without being influenced by the service control point SCP.
  • the interface between the call control function CCF and the service switching function SSF is as small as possible.
  • the discovery point treatment facility DP-M treats the discovery points DP in detail.
  • the find point treatment device DP-M asks the trigger find point treatment device TDP-M (for: trigger detection point manager) whether a specific find point DP is equipped as a trigger find point TDP.
  • the bump detection point treatment device TDP-M checks the criteria for a bump detection point TDP and reports all the bump detection points TDP that meet the criteria to the detection point treatment device DP-M.
  • the criteria are defined in the ITU-T Recommendation Q1214, Section 4.2.2.4. given criteria. It is permissible to report several notification trigger detection points TDP-N (for: trigger detection point notification) but only one request trigger detection point TDP-R (for: trigger detection point request). There is no restriction in the fact that the notification of only one request initiation detection point TDP-R is permissible, because according to ITU-T Communication Q. 1214 only a control relationship between a call and the service control point SCP is permitted is.
  • the detection point treatment device DP-M initiates an intelligent service.
  • Control relationship (IN service control relationship) between the call and an intelligent service (IN service) by creating a new object service control point transmission SCP-T (for: Service Control Point Transaction).
  • the detection points DPs so-called armed detection points, which are equipped as event detection points EDP or trigger detection points TDP, have all the information for communication with the service control point SCP; therefore, the find point handler DP-M routes the relevant object find point to the service control point transmission object. This information is made available for an initiation detection point TDP by an administration device (administration) in the switching node.
  • the service control point SCP has the option of equipping detection points DP's as event detection points EDP.
  • the finder point treatment device DP-M determines how a finder point DP is equipped.
  • the information that a find point DP is equipped as a trigger find point TDP is provided by the trigger find point treatment device TDP-M.
  • the information that a detection point DP is equipped as an event detection point EDP is stored locally in an event detection point table EDP-T (for: Event Detection Point Table) within the detection point treatment device DP-M.
  • the service control point transmission object fills the event find point table EDP T by calling the method equipment event find point in the find point treatment facility DP-M.
  • This approach is characterized by the fact that initiation find points TDPs for all Before calls are valid and event detection points EDPs are related to a specific call.
  • the discovery points DP therefore have a hierarchical structure.
  • the location points DP are to be understood as information carriers with which one of possibly several service control points SCP of a switching network is to be used for communication.
  • the detection point treatment device DP-M is therefore arranged outside the call control function CCF.
  • a switching node with a conventional call control function is expanded to include the functionality of the ability to register for intelligent services according to the application, the changes are essentially restricted to reporting the discovery of point of discovery treatment device DP-M to certain discovery points DP and to instructions waiting.
  • a signaling channel is used for the communication of the service switching point SSP with the service control point SCP.
  • the communication between the service switching point SSP and the service control point SCP takes place in the same way as the communication between the service switching point SSP and a subscriber terminal TE.
  • the two types of communication mentioned are more advantageous
  • FIG. 3 shows the processes in the individual units progressively from top to bottom using the example of a request from an intelligent network service.
  • the subscriber terminal TE on request of the subscriber terminal TE 1, for example, the subscriber terminal connects to the call control CC.
  • the call control builds up a new discovery point treatment facility.
  • a new event detection point table EDP-T built up.
  • a request-initiation detection point TDP-R is reached in the call control CC and a request for the service control point SCP is transmitted to the detection point treatment device DP-M.
  • an inquiry-finding point TDP is queried and reported.
  • a newly found bump find point TDP is entered in the bump find point treatment facility DP-M.
  • a new service control point transmission SCP-T object is created in the discovery point handler DP-M to create an intelligent services control relationship between the call and an intelligent service.
  • the discovery point treatment device DP-M connects to the service control point transmission device SCP-T for a start of the service control point transmission.
  • the device transmits service control point transmission SCP-T to the trigger locating point TDP service control point-specific information.
  • the service control point transmission SCP-T reports the discovery point DP to the service control point SCP and thus initializes it.
  • the trigger detection point DP is discarded because its task has been accomplished.
  • a request is made for notification of events within the basic call status model (RequestReportBCSMEvent).
  • a new event detection point EDP is set up at point (13).
  • a find point DP is equipped as an event find point EDP.
  • the detection point treatment device DP-M enters the event detection point EDP and the event detection point table EDP-T.
  • the service control point SCP is requested to the service control point transmission facility SCP-T with the relevant call to connect a certain subscriber terminal.
  • FIG. 4 shows the processes in the individual units of an intelligent services network progressively from top to bottom using the example of an intelligent services connection triggered by a subscriber terminal device.
  • the existing connection is triggered at the instigation of the subscriber terminal.
  • the call control device CC issues a message SCP_Notification to the detection point treatment device DP-M.
  • the find point treatment facility DP-M searches for the corresponding event find point entry in the event find point table EDP-T and deletes it if necessary (Get_and_Delete).
  • the detection point treatment device DP-M issues a message (Send_Notification) to the device service point transmission point SCP-T.
  • the service control point transmission SCP-T reads information about the service control point SCP from the event finder point EDP (Give_SCP_Information).
  • the service control point transmission SCP-T sends a message about the achievement of an event detection point (EventReportBCSM) to the service control point SCP.
  • EventReportBCSM event detection point
  • the currently valid event detection point EDP is discarded.
  • a message is sent from the detection point treatment device DP-M to the service control point transmission device SCP-T
  • End_SCP_Transaction initiates the termination of the currently valid object service control point transmission (SCP_Transaction).
  • SCP_Transaction the currently valid object service control point transmission

Landscapes

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

Abstract

Réseau de télécommunication assistant la transmission de services à large bande, dans lequel sont agencées, dans un noeud de communication, la fonction de contrôle d'appel (CCF) et la fonction de connexion de service (SSF), en unités séparées, qui sont reliées entre elles par une interface. Cette disposition permet d'obtenir une réalisation simple et peu coûteuse de services de réseaux intelligents à large bande dans le système de télécommunication.
PCT/DE1997/000965 1996-05-15 1997-05-13 Systeme de telecommunication avec selection de services a large bande par l'intermediaire de reseaux intelligents Ceased WO1997043868A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP97923812A EP0898854A1 (fr) 1996-05-15 1997-05-13 Systeme de telecommunication avec selection de services a large bande par l'intermediaire de reseaux intelligents
CA002254884A CA2254884A1 (fr) 1996-05-15 1997-05-13 Systeme de telecommunication avec selection de services a large bande par l'intermediaire de reseaux intelligents

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE1996119800 DE19619800C2 (de) 1996-05-15 1996-05-15 Vermittlungssystem mit Anwahl von breitbandigen Diensten über Intelligente Netze
DE19619800.3 1996-05-15

Publications (1)

Publication Number Publication Date
WO1997043868A1 true WO1997043868A1 (fr) 1997-11-20

Family

ID=7794501

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE1997/000965 Ceased WO1997043868A1 (fr) 1996-05-15 1997-05-13 Systeme de telecommunication avec selection de services a large bande par l'intermediaire de reseaux intelligents

Country Status (4)

Country Link
EP (1) EP0898854A1 (fr)
CA (1) CA2254884A1 (fr)
DE (1) DE19619800C2 (fr)
WO (1) WO1997043868A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7205964B1 (en) 1998-09-02 2007-04-17 Seiko Epson Corporation Light source and display device

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004015847A1 (de) * 2004-03-31 2005-10-27 Siemens Ag Verfahren zur Neuadressierung einer Dienstlogik in einem Mobilfunknetz mit intelligenter Dienstumgebung

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0583190A1 (fr) * 1992-07-29 1994-02-16 Alcatel Cit Réseau de télécommunication réalisant séparement un traitement d'appel et un traitement de connexion

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE470545B (sv) * 1992-11-26 1994-07-25 Ellemtel Utvecklings Ab Modulärt uppbyggt system av delfunktioner

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0583190A1 (fr) * 1992-07-29 1994-02-16 Alcatel Cit Réseau de télécommunication réalisant séparement un traitement d'appel et un traitement de connexion

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
BRETECHER Y ET AL: "THE INTELLIGENT NETWORK IN A BROADBAND CONTEXT", ISS '95. WORLD TELECOMMUNICATIONS CONGRESS. (INTERNATIONAL SWITCHIN SYMPOSIUM), ADVANCED SWITCHING TECHNOLOGIES FOR UNIVERSAL TELECOMMUNICATIONS AT THE BEGINNING OF THE 21ST. CENTURY BERLIN, APR. 23 - 28, 1995, vol. 2, 23 April 1995 (1995-04-23), VERBAND DEUTSCHER ELEKTROTECHNIKER (VDE) ET AL, pages 57 - 61, XP000495625 *
ELIXMANN M ET AL: "OPEN SWITCHINF - EXTENDING CONTROL ARCHITECTURES TO FACILITATE APPLICATIONS", ISS '95. WORLD TELECOMMUNICATIONS CONGRESS. (INTERNATIONAL SWITCHIN SYMPOSIUM), ADVANCED SWITCHING TECHNOLOGIES FOR UNIVERSAL TELECOMMUNICATIONS AT THE BEGINNING OF THE 21ST. CENTURY BERLIN, APR. 23 - 28, 1995, vol. 2, 23 April 1995 (1995-04-23), VERBAND DEUTSCHER ELEKTROTECHNIKER (VDE) ET AL, pages 239 - 243, XP000495660 *
TURNER D C: "STATUS AND FUTURE DIRECTIONS FOR GLOBAL INTELLIGENT NETWORK STANDARDS", ANNUAL REVIEW OF COMMUNICATIONS, vol. 49, 1 January 1996 (1996-01-01), pages 931 - 935, XP000620845 *
WAKAMOTO M ET AL: "AN INTELLIGENT NETWORK CALL MODEL INCORPORATING BROADBAND ISDN CONTROLS", ELECTRONICS & COMMUNICATIONS IN JAPAN, PART I - COMMUNICATIONS, vol. 76, no. 1, 1 January 1993 (1993-01-01), pages 24 - 33, XP000408622 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7205964B1 (en) 1998-09-02 2007-04-17 Seiko Epson Corporation Light source and display device

Also Published As

Publication number Publication date
CA2254884A1 (fr) 1997-11-20
EP0898854A1 (fr) 1999-03-03
DE19619800C2 (de) 1998-05-20
DE19619800A1 (de) 1997-11-27

Similar Documents

Publication Publication Date Title
DE69321898T2 (de) Telekommunikationsnetz mit separater Anruf- und Verbindungsbehandlung
DE69613003T2 (de) Zugriff auf einen konferenzdienst auf basis der subskription und gepaarten berechtigungskode
DE69431039T2 (de) Intelligentes breitbandkommunnikationssystem und verfahren mit benutzung von schnellen paketvermittlern
DE69522072T2 (de) Herstellung von Fernsprechverbindungen in einer wettbewerbsfähigen Umgebung
DE69332300T2 (de) Internationales Rufsystem mit Priorität
DE69332632T2 (de) Anrufverarbeitungssystem
EP0779733A2 (fr) Procédé de taxation de l'utilisation des services de télécommunications, système de communication, dispositifs de commande de service et de gestion de réseau
DE69428728T2 (de) Fernmeldevermittlungssystem mit einer aktiven Datenbank
DE69532844T2 (de) Verfahren zum Kommunikationsnetzentwurf und Kommunikationssystem
DE69332573T2 (de) Anrufbearbeitungssystem
DE4422805C1 (de) Verfahren zum Laden von Software in Kommunikationssystemen mit nichtredundaten, dezentralen Einrichtungen
WO1997043868A1 (fr) Systeme de telecommunication avec selection de services a large bande par l'intermediaire de reseaux intelligents
DE69836347T2 (de) Dienstinteraktion in einem intelligenten netzwerk
DE69801237T2 (de) Datenkommunikationssystem mit hierarchischem netzwerkmodel zur definition von logischen und physikalischen objekten
DE69732653T2 (de) Steuerungsverfahren eines anrufes
EP0923254A2 (fr) Procédé pour l'acquisition d'instructions en rapport avec un numéro appelé dans un réseau de télécommunication et noeuds de réseau pour cela
DE69827093T2 (de) Anrufbehandlung in einem intelligenten Netzwerk
DE69900658T2 (de) Teilnehmerüberprüfung bei handvermittelten Gesprächen mit einem Schnittstellenprotokoll für ein intelligentes Netzwerk
EP0878972A2 (fr) Réseau de raccordement d'abonnés, central de commutation, dispositif de commande de service et procédé d'établissemnt des communications
EP0836345A2 (fr) Réseau intelligent pour commuter des services à bande large
DE69828151T2 (de) Verfahren und vorrichtung zum verlassen einer informationssammelstelle in intelligenten netzen
DE69829118T2 (de) Validierung von anrufenden teilnehmern
DE3785405T2 (de) Blockierungsfreie Konzentration.
EP0817512A2 (fr) Procédé pour connecter des abonnés aux systèmes de communication d'une pluralité de serveurs de réseau
DE4209041C2 (de) Periphere Einrichtung für besondere Dienste

Legal Events

Date Code Title Description
AK Designated states

Kind code of ref document: A1

Designated state(s): CA US

AL Designated countries for regional patents

Kind code of ref document: A1

Designated state(s): AT BE CH DE DK ES FI FR GB GR IE IT LU MC NL PT SE

DFPE Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed before 20040101)
121 Ep: the epo has been informed by wipo that ep was designated in this application
WWE Wipo information: entry into national phase

Ref document number: 1997923812

Country of ref document: EP

ENP Entry into the national phase

Ref document number: 2254884

Country of ref document: CA

Ref country code: CA

Ref document number: 2254884

Kind code of ref document: A

Format of ref document f/p: F

WWP Wipo information: published in national office

Ref document number: 1997923812

Country of ref document: EP

WWW Wipo information: withdrawn in national office

Ref document number: 1997923812

Country of ref document: EP