EP1235417B1 - Méthode d'intégration d'un système de signalisation d'alarme dans un dispositif de télécommunication - Google Patents

Méthode d'intégration d'un système de signalisation d'alarme dans un dispositif de télécommunication Download PDF

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Publication number
EP1235417B1
EP1235417B1 EP02004418A EP02004418A EP1235417B1 EP 1235417 B1 EP1235417 B1 EP 1235417B1 EP 02004418 A EP02004418 A EP 02004418A EP 02004418 A EP02004418 A EP 02004418A EP 1235417 B1 EP1235417 B1 EP 1235417B1
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EP
European Patent Office
Prior art keywords
alarm
message
telecommunication system
connection
qsig
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.)
Expired - Lifetime
Application number
EP02004418A
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German (de)
English (en)
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EP1235417A2 (fr
EP1235417A3 (fr
Inventor
Thorsten Baik
Udo Kayser
Walter Pohler
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.)
Tenovis GmbH and Co KG
Original Assignee
Tenovis GmbH and Co KG
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.)
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Publication date
Priority claimed from DE10120569A external-priority patent/DE10120569A1/de
Application filed by Tenovis GmbH and Co KG filed Critical Tenovis GmbH and Co KG
Publication of EP1235417A2 publication Critical patent/EP1235417A2/fr
Publication of EP1235417A3 publication Critical patent/EP1235417A3/fr
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Publication of EP1235417B1 publication Critical patent/EP1235417B1/fr
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Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
    • G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
    • G08B25/08—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using communication transmission lines

Definitions

  • the invention relates to a method for integrating an alarm notification system in a telecommunication device via a telecommunications network connection.
  • the basic signaling mechanisms are used not only to set up and dismantle telecommunications links but also to transmit information that is used to control features. Simple examples of this are telephone number and name display and call forwarding.
  • the disadvantage is that in the basic processes of a connection setup always the connection is maintained, which came about in time first.
  • EP1017032, JP11266324 and ISO / IEC 15992 disclose triggering of existing connections when establishing a new higher priority connection.
  • EP1017032 and JP11266324 each disclose alarm systems which are connected via a private branch exchange to a telecommunications network.
  • the ISO / IEC standard deals with protocols for prioritizing calls between private branch exchanges.
  • the invention has the object of developing a method for transmitting signaling within a telecommunications system to the extent that information can be transmitted with respect to the priority of a connection structure, which internally trigger the procedures of the feature for priority control, and to show a device for performing the method.
  • the object is achieved by a method and a device in which call connections with high priority signaled by an alarm reporting system in the form of alarm messages and corresponding signals are generated.
  • An essential point of the invention is that while the alarm reporting system is connected via a standardized QSIG interface to a telecommunications system.
  • the QSIG standard includes protocols that typically involve a connection between two telecommunications equipment.
  • a telecommunications system is a device that connects telecommunication terminals or a communication network to another communication network, usually ISDN. Furthermore, a telecommunications system has means for processing messages that are transmitted via the communication network on. Such means are in particular processors and memories.
  • gateway describes the telecommunications system in which the transition between the public telecommunications network (DSS1) and the private telecommunications network (QSIG / PSS1) takes place.
  • DSS1 public telecommunications network
  • QSIG / PSS1 private telecommunications network
  • originating plant describes the telecommunications system which has initiated the establishment of a connection within the private telecommunications network.
  • target system describes the telecommunications system to which the telecommunication terminal is connected directly or via a DSS1 trunk to which a connection has been established or will.
  • ISDN Integrated Services Digital Network
  • B channel two call lines
  • D channel data channel
  • the connections are established according to a primary rate access standard with up to 30 B-channel lines (Europe) and 23 B-channel lines (North America).
  • QSIG signaling at the Q reference point
  • PSS1 Primary Integrated Signaling System Number 1
  • Standardization is carried out at international level by ISO / IEC and, in Europe, by ETSI and ECMA, with a view to achieving harmonization between standards.
  • QSIG is open to manufacturers of telecommunications equipment. It therefore allows, in particular, the signaling and thus communication between telecommunication systems of different manufacturers, as long as they signal telecommunication systems according to QSIG.
  • QSIG or PSS1 define an ISDN (Integrated Services Digital Network) for the participants of a private communication network.
  • ISDN Integrated Services Digital Network
  • ROSE actions are mapped to four protocol elements.
  • Such protocol elements are referred to in the English as Application Protocol Data Unit (APDU).
  • the four protocol elements are: RO-Invoke, RO-Return-Result, RO-ReturnError, RO-Reject.
  • the ROSE protocol elements are transmitted using the FACILITY information element.
  • the FACILITY information element is transmitted either with basic messages (messages that control connection establishment and disconnection), such as SETUP, ALERT, CONNECT, PROGRESS or DISCONNECT or, if no basic messages are available, with the message FACILITY then to be used.
  • Multiple ROSE protocol elements may be included in a FACILITY information element.
  • Generic Functions and ROSE allow the definition of features, both at the level of standardization and the definition of proprietary features.
  • the alarm signaling described here is a proprietary feature.
  • QSIG is based on the D-channel ITU-T standard protocol for Basic Call and Supplementary Services. This ensures that QSIG and ISDN are compatible in their features and ISDN applications or additional services of public ISDN networks can be used in a private network. In addition to the supplementary services of ISDN, various further additions to QSIG, such as name identification and call intrusion, are specified.
  • QSIG offers the so-called Generic Functions (GF) a solid foundation to set up in the context of the invention - similar to a modular principle - different features on the Basic Call. These can be both QSIG compliant or QSIG compliant with vendor-specific extension, as well as purely manufacturer-specific.
  • GF Generic Functions
  • a first ROSE operation "AlarmIndication" allows the alerting system to already indicate when establishing a connection that it is an alerting.
  • a second ROSE operation "AlarmIndicationClear" allows the alarm notification system to terminate an alarm status for an existing connection, independent of the triggering procedures of the QSIG Basic call.
  • This ROSE operation also eliminates the "Network Facility Extension", whereupon the telecommunication system directly connected to the alarm system takes over the ROSE operation.
  • An interpretation APDU is provided to allow entry of additional information regarding the processing of unknown ROSE APDUs of the InvokeAPDU type on a destination telecommunications equipment.
  • the interpretation APDU receives the value: "rejectAnyUnrecognizedInvokePdu". This ensures that a telecommunications system that does not support the new feature immediately sends a RejectAPDU to the alerting system. A further reaction of the alarm message system is implemented on an application-specific basis.
  • a telecommunications system does not support the first ROSE operation "AlarmIndication”
  • the connection is triggered by the telecommunications system with the message DISCONNECT.
  • This message DISCONNECT also contains a RejectAPDU as a negative acknowledgment. This is where an error handling of the alarm reporting system begins.
  • a suitable error handling of the alarm system is used in the case of a non-availability of a called party, a suitable error handling.
  • a call diversion can be initiated.
  • a preferred embodiment of the method provides an adjustable degree of priority with which alarm messages are generated and signaled.
  • the called party can quickly decide based on the displayed (optical / acoustic) priority level of a desired connection, whether the previous call connection should be maintained or not.
  • the priority level is displayed visually by means of an optical display unit on the telecommunication terminal.
  • FIG. 1 shows a telecommunication system 1 according to ISDN standard with integrated QSIG network.
  • Terminal 1 is connected directly to a public ISDN network, terminal 2, however, is connected to a QSIG network, which has access to the ISDN network.
  • the QSIG network is used as an internal network, for example within a company.
  • the telecommunications systems 2 are connected to each other via a network structure to which a plurality of terminals 3 can be connected.
  • the telecommunications systems 2 are connected to each other via a meshed network.
  • network structures such as star topology, bus topology or tree topology are supported.
  • FIG. 2 shows a connection of the alarm signaling system 4 to the telecommunication system 2.
  • the alarm reporting system 4 is connected to the telecommunication system 2 by means of a QSIG interface. At least one terminal 3 is connected to this.
  • FIG. 3 shows a message sequence of an internal connection message with high priority between the alarm reporting system 4 and the telecommunication system 2.
  • a reachability of the called party is given.
  • the message CALL_PROCEEDING is sent from the telecommunications system 2 to the alarm reporting system 4 and immediately thereafter the message PROGRESS, by means of the progress indicator "in-band-info-available-now".
  • This PROGRESS message stops all the timers of the QSIG Basic call in the telecommunications system 2 and the alarm reporting system 4. This creates a temporary vacancy for special treatment, which is not available in the standardized QSIG Basic Call Timer.
  • an already existing other connection is temporarily interrupted and signaled a corresponding alarm message.
  • the ALERT message provided for in the QSIG standard is also omitted in the illustrated sequence.
  • the called party answers the call, whereby a CONNECT message is transmitted to the alarm reporting system 4. This answers with the message CONNECT_ACK, which then the connection exists.
  • a FACILITY message is sent to the telecommunication system with the second ROSE operation "AlarmIndicationClear". Thereafter, the connection can be triggered by the subscriber or the alarm reporting system 4 according to the standard of the QSIG Basic call.
  • Characteristic - is a priority level that has a given connection or with which an alarm message is generated and signaled, adjustable. By means of this feature, a priority level in the amount of urgency of the conversation is set when a connection is established.
  • a limited group of people is assigned a high priority level.
  • This priority level can be derived, for example, from a hierarchy within a company.
  • a connection with a certain priority level can only be interrupted by a higher priority alarm message.
  • a connection with a certain priority can not be interrupted by an alarm message of lesser priority.
  • FIG. 4 Another message sequence of an internal connection message with high priority between the alarm reporting system 4 and the telecommunications system 2 is shown in Figure 4.
  • the called party is not reachable.
  • the message CALL_PROCEEDING is transmitted from the telecommunication system 2 to the alarm reporting system 4 and immediately afterwards the message PROGRESS, whereby all timers of the QSIG Basic calls in the telecommunication system 2 and the alarm reporting system 4 are stopped.
  • the called party can not be reached or the call is not accepted or in the presence of an error triggering of the connection is initiated by the telecommunications system 2 with a ReturnError APDU by means of a DISCONNECT message. This is where an error handling of the alarm reporting system begins.
  • a call diversion to at least one other internal terminal is initiated by the error handling of the alarm reporting system. Depending on the level of the priority level several call diversions are initiated.
  • FIG. 5 shows a message sequence of an internal connection message with high priority between the alarm reporting system 4 and the telecommunication system 2.
  • the telecommunication system 2 does not support the ROSE operation "AlarmIndication”.
  • the message CALL_PROCEEDING is transmitted from the telecommunication system to the alarm reporting system. Since the telecommunication system does not support the ROSE operation, the call message of the telecommunication system 2 is triggered by an "alarm indication reject APDU" of a DISCONNECT message. This is an error handling of the alarm reporting system 4.

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  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
  • Alarm Systems (AREA)
  • Telephonic Communication Services (AREA)

Claims (19)

  1. Procédé d'intégration d'un système de signalisation d'alarme dans un dispositif de télécommunications par le biais d'une liaison de réseaux de télécommunications,
    caractérisé en ce que des messages de liaison internes qui ont une priorité élevée sont générés sous la forme de messages d'alarme par un système signalisation d'alarme (4) et sont signalés sous la forme d'une caractéristique propriétaire à un central privé (2) par le biais d'une interface QSIG.
  2. Procédé selon la revendication 1, caractérisé en ce que, lorsqu'un message de liaison interne de priorité élevée provenant d'un premier terminal (3) arrive à un deuxième terminal (3), une autre liaison déjà existante du deuxième terminal (3) est temporairement ou définitivement interrompue et un message d'alarme correspondant est signalé.
  3. Procédé selon la revendication 2, caractérisé en ce qu'une liaison est établie avec le premier terminal (3) après l'arrivée du message d'alarme au deuxième terminal (3).
  4. Procédé selon la revendication 2, caractérisé en ce qu'un traitement d'erreur du système de signalisation d'alarme (4) est appelé après l'arrivée du message d'alarme au deuxième terminal (3) en l'absence d'une accessibilité.
  5. Procédé selon l'une des revendications précédentes, caractérisé en ce que l'on peut régler un degré de priorité, qui a une liaison donnée ou qui produit et signale un message d'alarme.
  6. Procédé selon la revendication 5, caractérisé en ce qu'une liaison ayant un degré de priorité déterminée ne peut être interrompu que par un message d'alarme de priorité plus élevée.
  7. Procédé selon l'une des revendications précédentes, caractérisé en ce que, lors de l'arrivée du message de liaison interne, la priorité de celui-ci est supérieure à celle d'un étage de priorité prédéterminé, et lorsque l'abonné appelé n'est pas accessible, on réalise un renvoi d'appel vers au moins un autre terminal interne (3).
  8. Système de télécommunications destiné à mettre en oeuvre le procédé selon l'une des revendications précédentes, caractérisé par un système d'alarme (4) qui est raccordé à un central privé (2) par le biais d'une interface QSIG.
  9. Système de télécommunications selon la revendication 8, caractérisé en ce que au moins deux opérations ROSE sont intégrées dans un message d'établissement de liaison de l'interface QSIG.
  10. Système de télécommunications selon la revendication 9, caractérisé en ce qu'une opération ROSE 'AlarmIndication' est intégré dans le message d'établissement de liaison de l'interface QSIG.
  11. Système de télécommunications selon la revendication 9, caractérisé en ce qu'une opération ROSE 'AlarmIndicationClear' est intégrée dans le message d'établissement de liaison de l'interface QSIG.
  12. Système de télécommunications selon les revendications 10 à 11, caractérisé en ce qu'un 'Network Facility Extension' de l'interface QSIG est supprimé et qu'un central privé (2), raccordé à un système de signalisation d'alarme (4), prend en charge le traitement de l'opération ROSE.
  13. Système de télécommunications selon la revendication 10, caractérisé en ce qu'une interprétation APDU reçoit une valeur 'clearCallIfAnyInvokePduNotRecognized'.
  14. Système de télécommunications selon la revendication 11, caractérisé en ce qu'une interprétation ADPU reçoit une valeur 'rejectAnyUnrecognizedInvokePdu'.
  15. Système de télécommunications selon la revendication 10, caractérisé en ce qu'une déconnexion d'appel est effectuée au moyen d'un message DISCONNECT lorsqu'un central privé (2) ne supporte pas l'opération 'AlarmIndication'.
  16. Système de télécommunications selon la revendication 10, caractérisé en ce qu'un message PROGRESS est déclenché par une déconnexion d'appel lorsqu'un central privé (2) supporte l'opération 'AlarmIndication'.
  17. Système de télécommunications selon la revendication 8, caractérisé en ce que le système de télécommunications (1) repose sur une norme ISDN.
  18. Système de télécommunications selon la revendication 8 ou 9, caractérisé en ce que le système de signalisation d'alarme (4) et le central privé (2) sont reliés par une ou deux lignes du standard Basic-Rate-Access.
  19. Système de télécommunications selon la revendication 8 ou 9, caractérisé en ce que le système de signalisation d'alarme (4) et le central privé (2) sont reliés par des lignes du standard Primary-Rate-Access, dont le nombre peut atteindre 30.
EP02004418A 2001-02-26 2002-02-26 Méthode d'intégration d'un système de signalisation d'alarme dans un dispositif de télécommunication Expired - Lifetime EP1235417B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE10109169 2001-02-26
DE10109169 2001-02-26
DE10120569 2001-04-26
DE10120569A DE10120569A1 (de) 2001-02-26 2001-04-26 Verfahren zur Integration eines Alarmmeldesystems in eine Telekommunikationseinrichtung

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EP1235417A2 EP1235417A2 (fr) 2002-08-28
EP1235417A3 EP1235417A3 (fr) 2004-01-07
EP1235417B1 true EP1235417B1 (fr) 2007-04-11

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EP02004418A Expired - Lifetime EP1235417B1 (fr) 2001-02-26 2002-02-26 Méthode d'intégration d'un système de signalisation d'alarme dans un dispositif de télécommunication

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EP (1) EP1235417B1 (fr)
AT (1) ATE359664T1 (fr)
DE (1) DE50209887D1 (fr)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5838223A (en) * 1993-07-12 1998-11-17 Hill-Rom, Inc. Patient/nurse call system
JPH11266324A (ja) * 1998-03-17 1999-09-28 Hitachi Telecom Technol Ltd 緊急呼の優先接続機能を有するターミナルアダプタ

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EP1235417A2 (fr) 2002-08-28
EP1235417A3 (fr) 2004-01-07
ATE359664T1 (de) 2007-05-15
DE50209887D1 (de) 2007-05-24

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