EP1354486A1 - Procede pour conduire une connexion, central telephonique et programme associes - Google Patents

Procede pour conduire une connexion, central telephonique et programme associes

Info

Publication number
EP1354486A1
EP1354486A1 EP02706612A EP02706612A EP1354486A1 EP 1354486 A1 EP1354486 A1 EP 1354486A1 EP 02706612 A EP02706612 A EP 02706612A EP 02706612 A EP02706612 A EP 02706612A EP 1354486 A1 EP1354486 A1 EP 1354486A1
Authority
EP
European Patent Office
Prior art keywords
bundle
network
switching
unit
switching center
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.)
Withdrawn
Application number
EP02706612A
Other languages
German (de)
English (en)
Inventor
Wilhelm Aures
Peter Paul Bacsics
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.)
Nokia Solutions and Networks GmbH and Co KG
Original Assignee
Siemens AG
Nokia Siemens Networks 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.)
Filing date
Publication date
Application filed by Siemens AG, Nokia Siemens Networks GmbH and Co KG filed Critical Siemens AG
Publication of EP1354486A1 publication Critical patent/EP1354486A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/64—Distributing or queueing
    • H04Q3/66—Traffic distributors
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13141—Hunting for free outlet, circuit or channel
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13144—Searching path through number of switching stages or nodes, e.g. revertive blocking
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13196—Connection circuit/link/trunk/junction, bridge, router, gateway
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13202—Network termination [NT]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13205—Primary rate access, PRI
    • 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
    • H04Q2213/13298—Local loop systems, access network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13353—Routing table, map memory
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13383—Hierarchy of switches, main and subexchange, e.g. satellite exchange
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13386—Line concentrator

Definitions

  • the invention relates to a method in which a Vermitt ⁇ a circuit-switched telecommunications network switching center at least a signaling message for a connection to be established is located. Depending on the signaling message, a bundle of transmission links which lead to one and the same facility of the telecommunication network is determined according to a predetermined method. At least one bundle that leads to another switching center of the circuit-switched network is included in the predetermined method.
  • traffic control procedures can be differentiated into: fixed traffic control, alternative traffic control, and adaptive traffic control.
  • a bundle contains several transmission links that lead to the same destination.
  • the transmission links are at play as ⁇ transmission channels which are arranged in a frame a specified time ⁇ .
  • a bundle often contains several lines, for example ten or twenty lines.
  • connection control It is an object of the invention to provide a simple method for connection control, which in particular expands the possibilities of connection control.
  • an associated switching center and an associated program are to be specified.
  • the invention is based on the consideration that the performance features of routing for transit connections, i.e. for connections between exchanges, were available. There were also individual options for route determination at the subscriber level, i.e. for the so-called end traffic. However, the routing was carried out at the subscriber level using special procedures.
  • the predetermined method for determining a bundle includes at least one bundle which leads directly to a network termination unit.
  • Direct means that the bundle bridges the entire path between the exchange in which the route control is carried out and the network termination unit.
  • the switching center and the network termination unit There are no other mediation facilities the switching center and the network termination unit, in particular no further switching centers.
  • control criteria can be specified independently of the bundle type by the method according to the invention. If, for example, a bundle to a switching center is occupied, the next bundle is selected according to the traffic routing table, for example a bundle that leads to a network termination unit.
  • the method according to the invention can be carried out by a single program or by a single subroutine. The program can be distinguished from other programs in that it can be compiled independently. Combining the control function in one program reduces the effort for programming, documentation and maintenance by about half in comparison to separate programming of the connection control at the switching center level and network termination level.
  • signaling messages are transmitted on the bundle leading to the network termination unit in accordance with a subscriber signaling protocol, for example in accordance with signaling protocol DSS1 (Digital Signaling System 1).
  • a subscriber signaling protocol for example in accordance with signaling protocol DSS1 (Digital Signaling System 1).
  • another signaling protocol is used between exchanges, for example the signaling protocol ISUP (ISDN User Part), see ITU-T (International Telecommunication Union - Telecommunication Standardization Sector) Q.763, Q.764 etc.
  • the driving Ver ⁇ leading to the network termination unit bundle includes at least one primary rate access, preferably with 30 user channels.
  • a basic connection for a subscriber has only two user channels.
  • a telecommunication system or a gateway unit is connected to the network termination unit.
  • Telecommunication systems are switching facilities that are used, for example, to switch connections free of charge within the subscriber's private premises. Depending on the type or level of expansion, fewer than ten end devices or more than a thousand end devices are connected to a telecommunications system, which can only establish connections with one another with the involvement of the telecommunications system. The telecommunication system thus has switching functions and is therefore a switching device.
  • a gateway unit forms the interface between the telecommunications networks of different operators or owners, for example between the telecommunications network of DeutscheDeutsch AG and Deutsche VEBA AG.
  • the gateway unit usually contains switching functions itself, or units of another telecommunications network with switching functions are connected downstream of the gateway unit.
  • Switching function means that there are alternative options for establishing a connection.
  • a switching network is included.
  • the connection path is selected, for example, depending on the phone number. ÜO ÜO rr P>'
  • FIG. 1 shows a telecommunications network and components contained in a switching center
  • Figure 2 shows an example of route control.
  • FIG. 1 shows a telecommunications network 10, for example the telecommunications network of DeutscheInstitut AG.
  • voice data are transmitted switched-over in voice channels.
  • Circuit-switched means that time channels are interconnected in a connection establishment phase. The connection is canceled after a call is ended in a connection clearing phase.
  • the telecommunications network 10 contains a large number of switching centers, of which three switching centers 12, 14 and 16 are shown in FIG. 1, which are also referred to as VST for short.
  • the exchanges 12, 14 and 16 are, for example, exchanges of the type EWSD (electronically controlled digital dialing system) from Siemens AG or exchanges of type S12 from Alcatel AG.
  • the switching center 12 is connected to the switching center 14 via a trunk group 18.
  • the data are transmitted on the individual lines of the line bundle 18, for example in accordance with the PCM30 protocol (Pulse Code Modulation).
  • the switching center 12 and the switching center 16 are connected to one another via a trunk group 20.
  • the route control function 100 uses a list for route control, in which an identifier "02234" for the connecting line 46, a bundle name B-Düsseldorf for the line bundle 18 and an identifier 12345 for the connecting line 42 are listed in this order.
  • the identifier "02234" is part of a number to be dialed by the calling subscriber. Indicators are also used to designate network operators. These marks have the initial numbers "010" in Germany.
  • the identifier "12345” contains digits which are also part of a call number under which the telecommunications system 40 can be reached in the telecommunications network 10.
  • the routing control function 100 tries to process the incoming connection request, see arrow 102, using the bundles in the specified order.
  • routing control functions can be used in switching center 12 for various tasks. All of these routing control functions can be used for bundles to switching centers and also for connecting lines to subscribers.
  • a percentage distribution among the bundles of a routing control function is specified as a selection criterion
  • a threshold value is specified, which serves as a selection criterion. If the threshold is exceeded, the next bundle is selected.
  • a switchover function operates different route control functions depending on a switchover criterion. The following switchover criteria are selected:

Landscapes

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

Abstract

L'invention concerne un procédé, selon lequel un central téléphonique (12) dans un réseau (10) à transmission par commutation détermine un groupe de lignes (18) selon un procédé déterminé et en fonction d'un message de signalisation. Selon ce procédé, au moins un groupe de lignes (18) est associé à un central téléphonique (14) et au moins un groupe de lignes (46) à une unité de terminaison de réseau (44).
EP02706612A 2001-01-23 2002-01-22 Procede pour conduire une connexion, central telephonique et programme associes Withdrawn EP1354486A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10102868 2001-01-23
DE10102868 2001-01-23
PCT/DE2002/000199 WO2002060193A1 (fr) 2001-01-23 2002-01-22 Procede pour conduire une connexion, central telephonique et programme associes

Publications (1)

Publication Number Publication Date
EP1354486A1 true EP1354486A1 (fr) 2003-10-22

Family

ID=7671439

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02706612A Withdrawn EP1354486A1 (fr) 2001-01-23 2002-01-22 Procede pour conduire une connexion, central telephonique et programme associes

Country Status (3)

Country Link
EP (1) EP1354486A1 (fr)
AU (1) AU2002240790B2 (fr)
WO (1) WO2002060193A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8843152B2 (en) * 2008-03-31 2014-09-23 Alcatel Lucent Media gateway preferential routing circuit allocation techniques in UMA

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5226075A (en) * 1990-06-11 1993-07-06 At&T Bell Laboratories Method of and apparatus for numbering and routing calls through a communication network
CA2137592C (fr) * 1994-02-28 1999-11-02 Akinwale Ademola Akinpelu Connexions entre un reseau a peage et plusieurs reseaux locaux
US5757903A (en) * 1995-12-29 1998-05-26 Mci Corporation Flexible direct and shared termination call processing

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO02060193A1 *

Also Published As

Publication number Publication date
AU2002240790B2 (en) 2007-10-04
WO2002060193A1 (fr) 2002-08-01

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