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WO2001039475A1 - Selection d'un groupe selon la categorie de services - Google Patents

Selection d'un groupe selon la categorie de services Download PDF

Info

Publication number
WO2001039475A1
WO2001039475A1 PCT/DE2000/004068 DE0004068W WO0139475A1 WO 2001039475 A1 WO2001039475 A1 WO 2001039475A1 DE 0004068 W DE0004068 W DE 0004068W WO 0139475 A1 WO0139475 A1 WO 0139475A1
Authority
WO
WIPO (PCT)
Prior art keywords
subscriber line
service
group
tal
fax
Prior art date
Application number
PCT/DE2000/004068
Other languages
German (de)
English (en)
Inventor
Jürgen LANTERMANN
Original Assignee
Siemens Aktiengesellschaft
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 Aktiengesellschaft filed Critical Siemens Aktiengesellschaft
Publication of WO2001039475A1 publication Critical patent/WO2001039475A1/fr

Links

Classifications

    • 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
    • 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
    • H04M3/46—Arrangements for calling a number of substations in a predetermined sequence until an answer is obtained
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2203/00—Aspects of automatic or semi-automatic exchanges
    • H04M2203/20—Aspects of automatic or semi-automatic exchanges related to features of supplementary services
    • H04M2203/2066—Call type detection of indication, e.g. voice or fax, mobile of fixed, PSTN or IP
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2207/00—Type of exchange or network, i.e. telephonic medium, in which the telephonic communication takes place
    • H04M2207/45—Type of exchange or network, i.e. telephonic medium, in which the telephonic communication takes place public-private interworking, e.g. centrex
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13179—Fax, still picture
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13209—ISDN
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/1322—PBX
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13251—Restricted service, class of service
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/1328—Call transfer, e.g. in PBX
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13288—Closed user groups, CUG

Definitions

  • MLHG multi line hunting group
  • An MLHG is assigned a group number or pilot number that is shared by all the subscriber lines that are connected - also referred to as "Pilot Directory Nu ber” or "Pilot DN" - after their selection - e.g. for establishing a communication relationship with one of the communication terminal devices assigned to the MLHG - a free one within the group
  • hunting algorithm Subscriber line using a defined search procedure - hereinafter referred to as "hunting algorithm" - is determined for the connection establishment.
  • Characteristic of the subscriber connections combined in a MLHG into a group is the different design of the communication terminals connected via the subscriber lines, by means of which different services are supported with regard to the transmission of information.
  • Examples of services supported by the communication end devices are analog and digital telephone services such as "voice”, "fax", and "data”.
  • connection types there is one for all connection types - i.e. for analogue and ISDN connections - valid service identification representing the type of information to be transmitted is not known. For example, it cannot be derived from signaling on analog lines whether voice, fax or data information is transmitted via the communication relationship or connection to be set up.
  • the invention has for its object to improve the mediation of communication relationships within groups.
  • the problem is solved on the basis of a method and a communication arrangement according to the preamble of claims 1 and 21 by their characterizing features.
  • At least one subscriber line arranged at least in one switching device and providing at least one switching technology service is assigned to a group.
  • T ransfer part of a switching to a specific service Kommunikat10ns- relationship is provided.
  • the essential aspect of the method according to the invention is that when establishing a communication relationship within the group, a subscriber line providing the intended service is ascertained and the communication relationship is conveyed to the ascertained subscriber line.
  • the main advantage of the method according to the invention is that subscriber connections or subscriber lines already installed in switching devices can be expanded in a simple and economical manner by additional performance features.
  • communication relationships requesting a specific service can be passed on to the subscriber lines or subscriber lines correspondingly provided for this service within a group, thereby supporting a distribution of tasks within the group.
  • new and attractive performance features can be provided for the connected subscribers or communication terminal devices through the switching arrangement in a cost-effective manner - for example by updating the control software without having to purchase additional hardware components.
  • At least one user data channel for transmitting information in the context of a communication relationship is provided by a subscriber connection - claim 11.
  • the number of user data channels that can be conveyed in the search process for the subscriber connection can be specified in a search connection - claim 12.
  • This advantageous embodiment prevents all user data channels provided by a subscriber line from being seized as part of the search process, ie under the assigned group number.
  • at least one user data channel can be reserved for a subscriber connection for the direct dialing of a subscriber outside of the group search process or for connections originating from subscribers in the group.
  • the number of user data channels which can be used simultaneously for a service provided can be specified.
  • This advantageous embodiment can prevent a number of connections or, simultaneously, from being made via a subscriber line as part of the search process. Communication relationships for a service or for a subscriber number assigned to the respective service - for example FAX number or modem number for PC - managed or conveyed. As a result, the switching status "busy" occurs for a service provided by the subscriber line or for a service assigned to the subscriber line
  • FIG. 1 a switching device with a plurality of subscriber connections connected to it, combined into a group and providing different services
  • FIG. 2 an implementation of the method according to the invention for the service-specific selection of a subscriber connection from the group according to FIG. 1.
  • FIG. 1 shows in a block diagram a switching device LE - for example a digital, electronic dialing system "EWSD" from Siemens AG - which is connected via a connection group AG to a higher-level communication network KN, for example, a public telephone network.
  • the switching device LE has a plurality of subscriber connections TAL ... n, via which a number of communication terminal devices are connected to the switching device LE via subscriber connection lines AL.
  • the first subscriber line TAl is designed as an analog subscriber line.
  • the analog features "Primary DN" and “Secondary DN" are provided by the analog subscriber line TAl, for example.
  • a first analog communication terminal KE1 is connected to the first analog subscriber terminal TAl via a connecting line AL.
  • the first communication terminal KE1 is designed as an analog telephone which provides the "voice" SPR switching technology service and to which a first subscriber number DN1 is assigned.
  • the first communication terminal DN1 uniquely addresses the first communication terminal KE1 within the communication network KN, ie the first communication terminal KE1 can be dialed directly from the communication network KN under the subscriber number DN1.
  • the first subscriber line TAl provides a useful data channel tal for the transmission of information in the context of the "voice" service SPR.
  • the second subscriber line TA2 arranged in the switching device LE is designed as an ISDN basic rate line.
  • Three further communication terminals KE2... 4 are connected to the second subscriber line TA2 via a further connection line AL representing an S 0 bus.
  • the second communication device KE2 and the third communication device KE3 are each designed as fax devices of the G3 type, with the second communication terminal device having a second one
  • Subscriber number DN2 and the third communication end direction is assigned a third subscriber number DN3.
  • the mediation-related service "fax" FAX is provided by the two communication terminals KE2, KE3 designed as fax devices.
  • the fourth communication terminal KE4 connected to the Sr bus is designed as an ISDN telephone providing the "voice" SPR switching technology service, to which a fourth subscriber number DN4 is assigned. All ISDN-compliant subscriber features are made available to the communication terminal equipment KE2..4 connected to it via the second subscriber connection TA2.
  • the third subscriber line TA3 arranged in the switching device LE is designed as an ISDN basic rate line.
  • Two communication end devices KE5, 6 are connected to the third subscriber connection TA3 via a connecting line AL representing an S 0 bus.
  • the fifth communication terminal KE5 is designed as an ISDN telephone providing the "voice" SPR switching service, to which a fifth subscriber number DN5 is assigned.
  • the sixth communication terminal device KE6 is designed as a data modem of type A which is provided for the switching service "data" DAT and to which a sixth subscriber number DN6 is assigned.
  • the remaining subscriber lines TA4 arranged in the switching device LE. n can be any as analog or ISDN-compliant or digital subscriber connections.
  • the first three subscriber connections TA1 ... 3 and the communication terminals KE1 ... 6 connected to them are combined to form a group SHG - also as a "subscriber
  • an organizational unit OGRP representing the SHG group is set up and stored in a database DB of the switching center LE
  • the organizational unit OGRP is assigned a group-specific pilot number PDN and a group-specific search method HUNT - also referred to as a Huntmg algorithm - and corresponding group-specific information PDN, HUNT m is stored in the organizational unit OGRP secured get.
  • a currently free subscriber line TAl ... 3 is to be determined within the group SHG for a communication relationship to be conveyed to the pilot number PDN.
  • the subscriber lines TAl ... 3 to be assigned to the SHG group are linked to the organizational unit OGRP stored in the database DB.
  • the corresponding subscriber connections TA1 ... 3 representing information ⁇ tal ... 3 of the organizational unit OGRP are stored.
  • the corresponding subscriber lines TA1 ... 3 and the associated communication terminals KEl..6 are assigned the group-specific pilot number PDN in addition to their previous subscriber numbers DN1 ... 6.
  • Further group-specific information can be stored in the organizational unit OGRP (not shown), by means of which further group-specific properties that can be assigned to the group SHG can be defined.
  • a large number of communication relationships are mediated via the switching facility LE, with different services being required for the transmission of information in the context of the respective communication relationships. These services are designed, for example, in accordance with the ETSI specification ETSI ETR-018.
  • a currently free subscriber line providing the required service is to be provided within the SHG group are determined - also referred to as "service-specific selection of a subscriber line” or "service-specific Lme-Huntmg".
  • service-specific selection of a subscriber line or "service-specific Lme-Huntmg”.
  • additional subscriber line-specific service information spr, fax, dat m is stored in the database DB for each subscriber line TAl ..3 assigned to the SHG group.
  • the individual services or service groups provided by a subscriber line TA1 ... 3 are identified by the subscriber line individual service information spr, fax, dat.
  • the organizational unit OGRP has several data records DS1 ... 3, a data record DS1..3 being provided for each subscriber line TAl..3 assigned to the group SHG.
  • the first DSl data set are stored to the first subscriber line TAI repr ä sentierenden or identifying information ital.
  • further information characterizing the first subscriber line TAl as an analog subscriber line - here analogue - and information characterizing the provided "language" service - here spr - are stored.
  • service-specific information - here ank (SPR) 1 - is stored in the first data record DS1.
  • the third data record DS3 information identifying the third subscriber line TA3 as an ISDN basic line - here ba -, the two assigned subscriber numbers DN5, 6 and the corresponding subscriber line-specific service information spr, dat are stored.
  • the organizational unit OGRP is assigned a further module FV for managing the subscriber connections TAl ... 3 currently free within the group SHG or the user data channels tal, ta2_a, ta2_b, ta3_a, ta3_b provided by them. also known as overhead line management FV.
  • the free service administration FV depends on the design of the participant eran gleiche TA1 ... 3 - analog or ISDN - and depending on the j constructed in each case by the subscriber Connections TA1 ... 3 provided services SPR, FAX, DAT. Since the m FIG set 1 Darge ⁇ group SHG both analog and ISDN compliant subscriber Connections TA1 ...
  • the overhead line management FV is an ISDN compliant stations Connections TAl..3 representing ISDN area ISDN and m an analog subscriber terminal TAL representative analog area divided ANALOG.
  • the overhead line administration FV at least one service-specific table ISPR, IDAT, IFAX, ASPR - hereinafter referred to as free band - is provided for each area ISDN, ANALOG.
  • the number and type of free band depends on the service information stored for each subscriber line TAl.3 of the organizational unit OGRP, spr, fax, dat.
  • the two ISDN-compliant subscriber lines assigned to the SHG group TA2.3 provides the services "voice”, “fax”, “data” SPR, FAX, DAT, so that three ISDN ISPR, IFAX, IDAT services, each representing a service SPR, FAX, DAT, are provided in the ISDN area ISDN. Accordingly, a free band ASPR representing the "language" service is provided in the analog area ANALOG.
  • the user data channels currently free within the SHG group are assigned to the corresponding free band FV.
  • the classification is based on the services SPR, FAX, DAT provided by the individual subscriber connections TAl..3.
  • User data channels of subscriber connections TAl ... 3 that only support one service are only classified in one of the tables or one of the Freibander ASPR, ISPR, IFAX, IDAT.
  • User data channels, which support several services SPR, FAX, DAT are classified in the corresponding tables ASPR, ISPR, IFAX, IDAT.
  • the two payload data channels of the second and third subscriber line - or the information nta2 a, nta2_b, nta3_a, nta3_b - are stored for the ISDN area ISDN in the free band ISPR, which represents the "voice" service or queued, since the "voice" service is provided by the second and third subscriber lines.
  • the two user data channels nta2_a, nta2_b of the second subscriber connection TA2 are also classified in the free band IFAX representing the "FAX” service, since the "FAX" service is also provided by the second subscriber connection TA2 in accordance with the information spr, fax stored in the second data record DS2.
  • the two user data channels nta3_a, nta3_b of the third subscriber connection TA3 are also classified in the free band IDAT representing the "data” service, since according to the information spr, dat stored in the third data record DS3, the "data” service is also provided by the third subscriber connection TA3 becomes.
  • For the analog area ANALOG of the overhead line management FV only a free band ASPR representing the "voice” service is provided, with which the useful data channel ntal provided by the first subscriber line TAl is classified.
  • nta2 a, nta2 b, nta3_a, nta3_b are grouped into several free bands ISPR, IFAX, IDAT, ASPR, according to the invention, this information or entries are concatenated with one another for reasons of running time - m FIG. 2 indicated by a double arrow.
  • nta2_a, nta2 b, nta3_a, nta3_b must be removed from all service-specific free bands ISPR, IFAX, IDAT, ASPR if this user data channel ntal, nta2_a, nta2_b, nta3_a, nta3_b for a service FAX, DAT is occupied.
  • the service-specific free bands ISPR, IFAX, IDAT, ASPR are advantageously provided with additional information or lists of compatible services. orders, to which an overflow can occur, for example if there is currently no free user data channel ntal, nta2_a, nta2_b, nta3 a, nta3_b for a requested service.
  • a subscriber line TAl ... 3 providing the required service SPR, FAX, DAT or a user data channel ntal, nta2_a, nta2_b, nta3_a, nta3_b providing the required service is selected within the group SHG.
  • the selection of the subscriber line TA1 ... 3 or the user data channel ntal, nta2_a, nta2_b, nta3_a, nta3_b has three stages:
  • the type of communication relationship to be established is determined, i.e. it is determined on the basis of the transmitted signaling information whether the communication relationship is to be switched to an analog or ISDN-compliant subscriber line TAl ... 3.
  • the service identifier transmitted in the course of the signaling - if present - of the communication relationship to be established is evaluated and then, depending on the type of communication relationship determined - analog or ISDN - and depending on the service requested, the corresponding free band ISPR, IFAX, IDAT, ASPR determined in the corresponding area ANALOG, ISDN of the free band management FV.
  • a currently free user data channel ntal, nta2_a, nta2_b, nta3_a, nta3_b is selected within the determined free band ISPR, IFAX, IDAT, ASPR, for example according to a predetermined search method or hunting algorithm.
  • a user data channel ntal, nta2_a, nta2_b, nta3_a, nta3_b that is recognized as free and suitable for the requested service SPR, FAX, DAT and selected according to the search method can be selected directly by marking it as occupied and is extracted from the corresponding free band ISPR, IFAX, IDAT, ASPR.
  • a useful data channel tal, ta2_a, nta2_b, ta3_a, ta3 b such as a preferred prioritized selection of useful data channels tal, ta2_a, ta2_b, ta3_a, ta3 b, which are only for one service SPR, FAX, DAT are provided. If the currently available free band ISPR, IFAX, IDAT, ASPR does not find any free user data channel tal, ta2_a, ta2_b, ta3_a, ta3_b within the scope of the search, an overflow to other compatible ones can occur
  • an analog communication relationship can be switched to an ISDN-compliant subscriber line or ISDN-compliant user data channel and vice versa.
  • the ISDN-compliant subscriber connections TA2,3 - ta2_a, ta2_b, ta3_a, ta3_b from the corresponding free bands ISPR, IFAX, IDAT are particularly important when chaining out a user data channel marked as occupied
  • the number of user data channels that can be used in parallel by a subscriber line TA2.3 for a service SPR, FAX, DAT must be observed.
  • the user data channels ta2_a, ta2_b, ta3_a, ta3_b that have become free are reclassified into the respective service-specific free bands ISPR, IFAX, IDAT, ASPR.
  • the user data channels tal, ta2_a, ta2_b, ta3_a, ta3 b currently used in the context of these communication relationships must be taken from the corresponding service-specific tables SPR, FAX , DAT chain or re-arranged after termination of the respective communication relationship.
  • the selection of a subscriber line TA1 ... 3 or the selection of user data channels tal, ta2_a, ta2_b, ta3_a, ta3 b can be restricted by time-dependent termination criteria or exclusion criteria that can be influenced by the respective communication terminal equipment KE1 ... 6. This allows for example, breaks in operation at the communication terminals KE1 ... 6 can be bridged.
  • the method according to the invention for the service-specific selection of a subscriber line TAl ... 6 can be used for any type of subscriber lines TA1 ... 3 or subscriber lines combined into a group SHG. This applies both to the connection of classic private branch exchanges with or without direct dialing and to the grouping of subscriber lines in the form of a hunt group - also known as MLHG or "Multi Line Hunting Group". Differently configured subscriber connections TAl ... 3 with performance features already configured can advantageously be combined to form a group SHG.
  • the subscriber lines TA1 ... 3 can be configured, for example, as an analog subscriber line, ISDN basic rate line, ISDN primary multiplex line. Alternatively, an xDSL transmission method can be implemented by a subscriber connection TAl ... 3.
  • the method according to the invention can advantageously be designed adaptively, i.e. a new subscriber connection TA1 ... 3 or a new user data channel tal, ta2_a, nta2_b, ta3_a, ta3_b can be selected automatically as part of the search process if it is found that a selection of a subscriber connection TA1 ... 3 or User data channel tal, ta2_a, nta2_b, ta3_a, ta3_b is not suitable for the transmission of information.

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

Abstract

L'invention concerne un procédé et un dispositif de communication pour la sélection d'un raccordement d'abonné placé dans au moins un dispositif de commutation, à partir d'un groupe comportant au moins un raccordement d'abonné. Lors de l'établissement d'une liaison de communication avec un groupe (SHG) comprenant au moins un raccordement d'abonné (TA1...3) il est déterminé, à l'intérieur du groupe (SHG), un raccordement d'abonné (TA1...3) par lequel le service (SPR, FAX, DAT) nécessaire à une transmission d'informations dans le cadre de la liaison de communication à établir est mis à disposition. Grâce à la sélection selon l'invention, spécifique à un service, d'un raccordement d'abonné (TA1...3), une distribution des taches spécifique à un service est assurée à l'intérieur du groupe (SHG).
PCT/DE2000/004068 1999-11-19 2000-11-16 Selection d'un groupe selon la categorie de services WO2001039475A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19955781.0 1999-11-19
DE1999155781 DE19955781A1 (de) 1999-11-19 1999-11-19 Verfahren und Kommunikationsanordnung zur Auswahl eines in zumindest einer Vermittlungseinrichtung angeordneten Teilnehmeranschlusses aus einer zumindest einen Teilnehmeranschluß umfassenden Gruppe

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WO2001039475A1 true WO2001039475A1 (fr) 2001-05-31

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1241862A1 (fr) * 2001-03-13 2002-09-18 Siemens Aktiengesellschaft Traitement spécifique au type service d'une requête de connexion par rapport au raccordement d'abonné appelé
US7949713B2 (en) 2002-02-13 2011-05-24 Panasonic Corporation Information providing apparatus, provided information presenting apparatus, and information providing method

Citations (3)

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Publication number Priority date Publication date Assignee Title
JPS63299485A (ja) * 1987-05-28 1988-12-06 Nec Corp マルチラインハント方式
US5276687A (en) * 1989-04-14 1994-01-04 Fujitsu Limited Network system having different attributes of terminal equipment devices
US5329523A (en) * 1991-09-18 1994-07-12 Fujitsu Limited Extension agent system of ISDN electronic exchange

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Publication number Priority date Publication date Assignee Title
JPS63299485A (ja) * 1987-05-28 1988-12-06 Nec Corp マルチラインハント方式
US5276687A (en) * 1989-04-14 1994-01-04 Fujitsu Limited Network system having different attributes of terminal equipment devices
US5329523A (en) * 1991-09-18 1994-07-12 Fujitsu Limited Extension agent system of ISDN electronic exchange

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Title
HAEUSLEIN P A ET AL: "CENTREX - DIENST MIT ZUKUNFT", FUNKSCHAU, vol. 71, no. 9, 17 April 1998 (1998-04-17), pages 61 - 63, XP000781194, ISSN: 0016-2841 *
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1241862A1 (fr) * 2001-03-13 2002-09-18 Siemens Aktiengesellschaft Traitement spécifique au type service d'une requête de connexion par rapport au raccordement d'abonné appelé
WO2002073943A3 (fr) * 2001-03-13 2002-12-19 Siemens Ag Traitement d'une demande d'appel specifique d'un service en rapport avec la ligne de l'abonne appele
US7949713B2 (en) 2002-02-13 2011-05-24 Panasonic Corporation Information providing apparatus, provided information presenting apparatus, and information providing method

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