WO2001089231A1 - Dispositif de communication comportant une unite peripherique programmable - Google Patents

Dispositif de communication comportant une unite peripherique programmable Download PDF

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Publication number
WO2001089231A1
WO2001089231A1 PCT/DE2001/001300 DE0101300W WO0189231A1 WO 2001089231 A1 WO2001089231 A1 WO 2001089231A1 DE 0101300 W DE0101300 W DE 0101300W WO 0189231 A1 WO0189231 A1 WO 0189231A1
Authority
WO
WIPO (PCT)
Prior art keywords
unit
lan
communication system
dsp
peripheral
Prior art date
Application number
PCT/DE2001/001300
Other languages
German (de)
English (en)
Inventor
Gonzalo Lucioni
Rainer Ücker
Ralf Neuhaus
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 WO2001089231A1 publication Critical patent/WO2001089231A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/58—Arrangements providing connection between main exchange and sub-exchange or satellite
    • H04Q3/62—Arrangements providing connection between main exchange and sub-exchange or satellite for connecting to private branch exchanges
    • H04Q3/625—Arrangements in the private branch exchange
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/1305—Software aspects
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13104—Central control, computer control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13106—Microprocessor, CPU
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13107—Control equipment for a part of the connection, distributed control, co-processing
    • 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
    • H04Q2213/13389—LAN, internet
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13396—Signaling in general, in-band signalling

Definitions

  • the present invention relates to a flexibly configurable communication system according to the preamble of patent claim 1.
  • the communication system is subdivided into a central unit for controlling the communication systems and for conveying information to be transmitted, and into a peripheral unit having a plurality of connection units.
  • the connection units serve to connect communication terminals or a communication network to the communication systems.
  • the central unit essentially comprises a central control unit and a switching network and is arranged on a central assembly of the communication system - often referred to in the literature as a 'central board' or as a 'mother board'.
  • the connection units are each arranged on a separate peripheral assembly which can be connected to the central assembly - for example via plug connections.
  • Modern communication systems generally have a connection to a computer network, for example a local area network LAN, in addition to the conventional voice data-oriented connection units.
  • the connection to the computer network is implemented by means of a separate peripheral module.
  • a communication system with such a computer network connection module is known for example from the German patent application with the official identification 199 465 04.5.
  • Such a connection module implements a large number of different connection module-specific functions, such as, for example, a coupling of different computer networks LANs, external access to network resources in the context of 'teleworking', CTI applications (computer telephony jitegrated) or 'voice over IP 'applications.
  • connection modules have a function-specific hardware component for each function to be implemented - usually a digital signal processor, or DSP for short - which is specially designed for the respective function and can only be used within the scope of this function.
  • DSP digital signal processor
  • the peripheral modules each have intelligent control units, so-called controllers, which preprocess received control data in accordance with the protocol and forward them to the central control unit.
  • controllers By the central control unit then a function to be executed is carried out in dependence on a purchase of the respective peripheral module control 'arranged, function-specific hardware components. Controlling the decentralized hardware components by the central controller for realizing connection module-specific functions results in an additional high load on the central control unit.
  • Another disadvantage of the known concept is that by using function-specific digital signal processors, DSPs for the implementation of the different DSP functionalities for all possible desired applications on the connection module, function-specific hardware components must be provided, which, however, depend on the Use of the communication systems may not be used at all.
  • Another disadvantage of the known concept is that the hardware components provided in each case only have a limited range of functions.
  • the present invention is based on the object of specifying a communication system by means of which hardware resources provided by the communication system can be used flexibly.
  • the object is achieved on the basis of the features of the preamble of claim 1 by its characterizing features.
  • An essential advantage of the communication system according to the invention is that by expanding a controller unit arranged on a peripheral unit in such a way that DSP functionalities which can be determined by the controller unit can be carried out, protocol-based preprocessing and transmission of the control information to the central control unit is no longer necessary and thus a relief of the central control unit is achieved.
  • Another advantage of the communication system according to the invention is that by integrating DSP functionalities in the controller unit on the peripheral unit, hardware components - in particular digital signal pro processors - can be saved, whereby a ⁇ tion of miniaturization of the respective peripheral unit is achieved.
  • a plurality of contact locations are provided on the decentralized peripheral unit of the communication system for connecting the same controller units, at least one controller unit being connected to the peripheral unit and the controller units being programmable such that determinable DSP functions can be carried out.
  • One advantage of this concept is that the processing capacity made available by the controller unit for the DSP functionality can be used flexibly depending on the programming, and the communication system or the peripheral unit can thus be flexibly adapted to the respective requirements of an operator. Furthermore, the processing capacity can be expanded in a modular manner by adding further controller units without having to provide an additional expensive peripheral unit.
  • FIG. 1 a structural diagram for the schematic representation of a communication system according to the invention
  • FIG. 2 a structural diagram for the schematic representation of a peripheral unit according to the invention with a plurality of controller units connected to the peripheral unit.
  • the communication system comprises a central unit ZE, which is usually arranged on a central assembly - often referred to in the literature as a 'central board' or as a 'mother board' - and has a PBX-KERN system core and a KFM switching matrix module - CORE - often referred to in the literature as the PBX core - essentially comprises a central control unit - for example a central processor ⁇ P - for controlling the functions of the PBX communication system
  • the system core PBX-KERN and the coupling field module KFM are connected to each other by a conversion unit UE, whereby the conversion unit UE enables a bidirectional conversion between a transmission protocol supported by a processor bus ⁇ P-BUS and the HDLC protocol supported by the coupling field module KFM (High Level Data Link Control) he follows.
  • Connection units AE are connected to the central unit ZE, in particular to the switching matrix module KFM, via connecting lines, which are generally arranged on a decentralized module.
  • An example is an analog connection unit ab-AE with interfaces for connection End of analog communication terminals A-KE, a digi ⁇ tale - U p o s interfaces having - access unit
  • connection units AE for connecting digital communication terminals D-KE and a further digital - S 0 interfaces - connecting unit S 0 -AE for connecting an ISDN communication network ISDN to the PBX communication system.
  • Data is transmitted between the connection units AE and the switching matrix module KFM on the basis of, for example, the product brochure "ICs for Communications - IOM ® -2 Interface Reference Guide” from Siemens, Kunststoff 3/91, order no. B115-H6397-XX-7600, in particular pages 6 to 12, known transmission protocol IOM-2.
  • bidirectional data transmission between the switching matrix module KFM and the connection units AE can also take place in accordance with the PCM transmission protocol (pulse code modulation).
  • the communication system PBX For a connection of the communication system PBX to a data network, for example a local computer network LAN, the communication system PBX has a separate data network unit LAN-E.
  • the data network unit LAN-E has a plurality of - not shown - the same contact devices for connecting controller units.
  • a controller unit CE is shown as an example, which is connected via an HDLC interface and a PCM interface to the central unit ZE of the communication system PBX and via a standardized Mll interface (Medium Independent Interface) with a connection of the local computer network LAN to the data network unit LAN.
  • E realizing LAN connection unit LAN-AE is connected.
  • the local computer network LAN can be connected to the communication system PBX via the LAN connection unit LAN-AE, for example via a so-called IOBase-T or a so-called IOOBase-T interface.
  • the controller unit CE is usually used for pre-processing according to the protocol of via the local computer network LAN received control data and their forwarding to the central unit ZE of the communication system PBX, through which the functions to be executed and identified by the control data are controlled.
  • the central control unit ZE also controls functions to be performed by the data network unit LAN-E.
  • the functions such as a coupling of different computer networks LANs, external access to network resources as part of 'teleworking', CTI applications or 'Voice over IP' applications are, as already mentioned above, usually carried out on the data network unit LAN-E arranged function-specific digital signal processors DSPs realized, which are controlled by the central control unit ZE. For this reason, these functions are often referred to in the literature as DSP functionalities.
  • the controller unit CE is now expanded by a programmable DSP functional unit DSP-FE.
  • the DSP functional unit DSP-FE can be programmed, for example, using the higher programming language 'C'.
  • the DSP functional unit DSP-FE can be used to carry out different, determinable DSP functionalities DSP-Fl, DSP-F2, as indicated by the dotted function block, depending on the programming carried out.
  • the controller unit CE is therefore no longer used exclusively for the pre-processing of control data received via the local computer network LAN and forwards it to the central unit ZE of the communication system PBX, but instead independently, depending on the programming carried out, that is to say implemented independently, ie without control by the central office Control unit, DSP functions to be carried out DSP-Fl, DSP-F2.
  • the DSP functional unit DSP-FE additionally has a volatile memory unit RAM, which serves to temporarily store data to be processed by the DSP functional unit DSP-FE.
  • FIG. 2 shows a structural diagram for the schematic representation of a data network unit LAN-E with a plurality of controller units CE1,..., CEn connected to it.
  • the controller units CE1, ..., CEn can be programmed in such a way that the same DSP function DSP-Fl can be carried out by several controller units CEl, ..., CEn, in order to have a higher processing capacity for this DSP function DSP-Fl to obtain.
  • the controller units CE1, ..., CEn can, however, also be programmed in such a way that the controller units CE1, ..., CEn different DSP functions DSP-Fl,
  • DSP-F4 can be implemented in order to expand the range of functions provided by the PBX communication system or the LAN-E data network unit.
  • the controller units CE1, ..., CEn connected to the data network unit LAN-E via the contact devices are on the one hand connected to one another via a serial bus system HDLC / PCM-BUS and with the central unit ZE and on the other hand each via a standardized Mll interface MII with a LAN Network module LAN-KFM connected.
  • the LAN switching field module LAN-KFM connects the controller units CE1, ..., CEn to one or a plurality of LAN connection units LAN-AE, which are also connected to the LAN via an MII interface MII -Connector module LAN-KFM are connected.
  • the LAN switching network module LAN-KFM transmits data received via a LAN connection unit LAN-AE to the controller unit CE1, ..., CEn that realizes the respective function DSP-Fl, ..., DSP-F4, or from a controller unit CE1,..., CEn processed data to be transmitted to a data processing device is forwarded to the LAN connection unit LAN-AE which realizes the connection of the data processing device to the communication system PBX.
  • controller units CE1, ..., CEn - in the present exemplary embodiment the first controller unit CE1 - with a non-volatile memory unit ROM connected, with the first controller unit CE1 accessing data stored in the non-volatile memory unit ROM to initialize the system consisting of several controller units CE1, ..., CEn.

Abstract

L'invention concerne un dispositif de communication (PBX) composé d'une unité de commande centrale destinée à la commande de fonctions du dispositif de communication (PBX), et d'au moins une unité périphérique (LAN-E) effectuant différentes fonctions spécifiques aux unités périphériques (DSP-F), destinée à la connexion de terminaux, de réseaux de communication ou de réseaux informatiques. L'unité périphérique (LAN-E) comporte au moins une unité de contrôleur (CE) destinée au traitement protocolaire de données de commande reçues, et au réacheminement des données de commande traitées vers l'unité de commande centrale. Par ailleurs, l'unité de contrôleur (CE) comporte une extension permettant à cette dernière d'effectuer des fonctions spécifiques aux unités périphériques (DSP-F), pouvant être prédéfinies.
PCT/DE2001/001300 2000-05-15 2001-04-04 Dispositif de communication comportant une unite peripherique programmable WO2001089231A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10023825 2000-05-15
DE10023825.4 2000-05-15

Publications (1)

Publication Number Publication Date
WO2001089231A1 true WO2001089231A1 (fr) 2001-11-22

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2001/001300 WO2001089231A1 (fr) 2000-05-15 2001-04-04 Dispositif de communication comportant une unite peripherique programmable

Country Status (1)

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WO (1) WO2001089231A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998017079A1 (fr) * 1996-10-15 1998-04-23 Siemens Aktiengesellschaft Procede pour traiter des connexions de service dans un reseau de telecommunications
DE19817494A1 (de) * 1998-04-20 1999-10-28 Siemens Ag Netzkopplungseinheit für ein Kommunikationssystem
EP0966145A2 (fr) * 1998-06-19 1999-12-22 Nortel Networks Corporation Passerelle pour IP telephonie

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998017079A1 (fr) * 1996-10-15 1998-04-23 Siemens Aktiengesellschaft Procede pour traiter des connexions de service dans un reseau de telecommunications
DE19817494A1 (de) * 1998-04-20 1999-10-28 Siemens Ag Netzkopplungseinheit für ein Kommunikationssystem
EP0966145A2 (fr) * 1998-06-19 1999-12-22 Nortel Networks Corporation Passerelle pour IP telephonie

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
BLITZ A ET AL: "INTEGRATING LAN, H-CHANNELS AND ATM INTO PBX TECHNOLOGY", PROCEEDINGS OF ISS'97, vol. 2, 21 September 1997 (1997-09-21) - 26 September 1997 (1997-09-26), pages 573 - 579, XP000704513 *

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