WO1998043449A2 - Procede de routage de messages de signalisation dans un reseau de signalisation - Google Patents

Procede de routage de messages de signalisation dans un reseau de signalisation Download PDF

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Publication number
WO1998043449A2
WO1998043449A2 PCT/EP1998/001519 EP9801519W WO9843449A2 WO 1998043449 A2 WO1998043449 A2 WO 1998043449A2 EP 9801519 W EP9801519 W EP 9801519W WO 9843449 A2 WO9843449 A2 WO 9843449A2
Authority
WO
WIPO (PCT)
Prior art keywords
signaling
part system
node
network
destination
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/EP1998/001519
Other languages
German (de)
English (en)
Other versions
WO1998043449A3 (fr
Inventor
Jean-Marie Stupka
Christian Ruppelt
Renate Zygan-Maus
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
Publication of WO1998043449A2 publication Critical patent/WO1998043449A2/fr
Publication of WO1998043449A3 publication Critical patent/WO1998043449A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/0016—Arrangements providing connection between exchanges
    • H04Q3/0025—Provisions for signalling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13097—Numbering, addressing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13102—Common translator
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13103—Memory
    • 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
    • H04Q2213/13174—Data transmission, file transfer
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13176—Common channel signaling, CCS7
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13204—Protocols
    • 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
    • H04Q2213/13376—Information service, downloading of information, 0800/0900 services
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/1338—Inter-exchange connection

Definitions

  • Telecommunication networks with # 7 signaling can support supplementary services, which allow an exchange of signaling messages (end-to-end messages) between the service logics in the
  • CCBS CCNR
  • the CCBS service logic in the originating switching center passes on a message intended for the CCBS service logic in the target switching center (destination switching node) to the
  • Transport service of the # 7 network (Signaling Connection Control Part SCCP) together with the E.164 number of the B subscriber as a global title (GT) for identifying the message recipient.
  • the SCCP determines the TP address of the destination signaling node from the GT and passes it together with the GT and the message to the MTP of the # 7 network, which transmits the message to the destination signaling node, where it is forwarded internally to the receiving service logic if the destination signaling node is also the destination switch.
  • the destination signaling node is also the destination switching center.
  • the target signaling node is the
  • the destination switching center ie the switching center to which the B subscriber is connected, is also referred to below as the target switching node.
  • the SCCP To determine the MTP address of the destination signaling node from the B-subscriber number (Global Title Translation, GTT), the SCCP previously only had to evaluate part of the leading digits of the B-subscriber number, since all subscribers with these leading digits were connected to the same switching center were.
  • Network services that use geographic numbers to address end-to-end messages, e.g. also the transparent data transport between private branch exchanges via the public network.
  • the SCCP evaluates all digits of the number used in the GT.
  • This solution variant is particularly favorable dynamically.
  • it has the following disadvantages:
  • Information about the assignment of a ported number to a switching center must be managed at several points in the network: for the establishment of a user channel (e.g. by the ISUP), the routing for each ported number must be stored in a corresponding database (number portability database NP-BD). Number of the destination switching center can be managed. For the end-to-end message exchange of SCCP-based additional services, the MTP address of the destination signaling node must be managed in the signaling points (SP) that carry out the GTT for this number for each ported number.
  • SP signaling points
  • the database used in the network thus has a logical structure in which the call number is used as a key both for determining the MTP address of the destination signaling node and for determining the routing number of the destination switching center.
  • NP - database individual routing number Telephone number (for destination exchange) according to E.164 according to E.164
  • SCCP database individual MTP address call number (for destination signaling node) according to E.164 according to Q.701 -708
  • the issuing network does not support the additional service or its functional expansion described above, a subscriber cannot change this additional service even after the network operator has changed, even if the additional service is available in the network of the new operator.
  • the network resources of the issuing network operator are charged for the provision of an additional service for a former subscriber.
  • the invention has for its object to overcome the disadvantages mentioned.
  • the NP database and the SCCP database are operationally decoupled from one another. Individual number porting therefore no longer lead to changes in the SCCP database.
  • the portability call number in the network is supported by a database (NP database) that is central to each portability area.
  • NP database database
  • the SP evaluates, based on a leading part of the B call number and the translation type for the end-to-end message, whether it is used to determine the final MTP address, i.e. the MTP address of the destination signaling node in the destination portability area. If this is the case, it determines the user part address (routing number) of the destination switching center by means of a
  • the SP Query from the NP database of the target portability area. With the determined routing number, the SP carries out a GTT and thereby determines the MTP address of the destination signaling node. If the destination signaling node is also the destination switching center, then this GTT is a final GTT. If the target signaling node is a signaling transition node to the target network, then this is GTT a non-final GTT. The routing number of the destination switching center is therefore also a GT for the destination signaling node.
  • the SP If the SP is not responsible for the destination number range, it forwards the message to a responsible SP.
  • NP database individual call number routing number (for destination switching parts) according to E.164 according to E.164
  • the described method can be used for portable geographic numbers and for portable non-geographic numbers.
  • the figure shows the sequence of the method according to the invention.
  • the originating exchange sends a message from any SCCP application with the B number contained in the GT to an SP with GTT capability.
  • the SP addresses a responsibility table of the SCCP-DB, the result of which is either an external MTP address or a label with local meaning ( Responsibility indicator, or alternatively your own MTP address). If the result is a responsibility flag, the SP knows that it is responsible for the addressed portability area, i.e. that he can carry out the GTT individually for the addressed portability area. If that
  • the SP knows that it is not responsible for the addressed portability area, which is why it forwards the message to an SP with the MTP address obtained from the responsibility table. 3.
  • the SP responsible for the addressed portability area determines the address of the responsible NP database from the leading digits of the B call number and from additional administered data. 4.
  • the SP responsible for the addressed portability area queries the responsible NP database for the routing number of the destination switching center. This can be done in the same way as for user channel-related signaling (eg for ISUP signaling). If the responsible SP and the NP database are in different network elements, the SP can create a (TCAP) message. If the responsible SP and the NP database are in the same network element, the SP can use an internal query. 5.
  • TCAP Transmission Control Protocol
  • the NP database returns the call number (routing number) of the destination switching center to the SP. 6.
  • the SP uses the routing number of the destination switching center to determine the MTP address (the destination point code) of the destination SP from its GTT tables (in the case shown, the destination SP is in the
  • the exchange to which the B subscriber is connected contains the final GTT) or the MTP address (the destination point code) of the # 7 gateway to the destination network (non-final GTT). 7.
  • the message of the addressed service logic (application) is delivered in the target SP based on the original GT used by the sending service logic and forwarded by each SP.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Telephonic Communication Services (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)

Abstract

Pour adresser des messages de signalisation dans un réseau de signalisation, plusieurs logiques de service utilisent les numéros d'appel géographiques des coabonnés qui prennent part à ce service. Ce type d'adressage pose un problème lorsque la portabilité des numéros d'appel est introduite dans le réseau. Des numéros d'appel (de coabonnés) individuels peuvent alors être prélevés dans l'espace de numéros d'appel alloué à un noeud de distribution et sont alloués à un autre noeud de distribution. Le procédé objet de l'invention permet de résoudre ce problème.
PCT/EP1998/001519 1997-03-24 1998-03-16 Procede de routage de messages de signalisation dans un reseau de signalisation Ceased WO1998043449A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE1997112262 DE19712262B4 (de) 1997-03-24 1997-03-24 Verfahren zum Routing von Signalisierungsnachrichten in einem Signalisierungsnetz
DE19712262.0 1997-03-24

Publications (2)

Publication Number Publication Date
WO1998043449A2 true WO1998043449A2 (fr) 1998-10-01
WO1998043449A3 WO1998043449A3 (fr) 1999-01-21

Family

ID=7824416

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP1998/001519 Ceased WO1998043449A2 (fr) 1997-03-24 1998-03-16 Procede de routage de messages de signalisation dans un reseau de signalisation

Country Status (2)

Country Link
DE (1) DE19712262B4 (fr)
WO (1) WO1998043449A2 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8127000B2 (en) 2006-06-30 2012-02-28 Tealeaf Technology, Inc. Method and apparatus for monitoring and synchronizing user interface events with network data
US9787803B2 (en) 2008-08-14 2017-10-10 International Business Machines Corporation Dynamically configurable session agent
US9842093B2 (en) 2006-06-30 2017-12-12 International Business Machines Corporation Method and apparatus for intelligent capture of document object model events
US9934320B2 (en) 2009-03-31 2018-04-03 International Business Machines Corporation Method and apparatus for using proxy objects on webpage overlays to provide alternative webpage actions
US10474840B2 (en) 2012-10-23 2019-11-12 Acoustic, L.P. Method and apparatus for generating privacy profiles

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5282244A (en) * 1991-06-24 1994-01-25 At&T Bell Laboratories Virtual signaling network method
US5481603A (en) * 1993-09-28 1996-01-02 At&T Corp. Intelligent call processing based upon complete identification of calling station
EP0751691A3 (fr) * 1995-06-30 2000-09-13 Siemens Stromberg-Carlson Procédé pour le routage d'appels téléphoniques à des abonnés appartenant à des fournisseurs de services différents dans une zone de numérotation commune
CA2165857C (fr) * 1995-12-21 2000-07-25 L. Lloyd Williams Methode utilisant des messages pour realiser la transportabilite des numeros
EP0827319A3 (fr) * 1996-07-30 2000-05-17 Hewlett-Packard Company Traduction de titre global dans un réseau de signalisation de télécommunication supportant la portativité des numéros

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8127000B2 (en) 2006-06-30 2012-02-28 Tealeaf Technology, Inc. Method and apparatus for monitoring and synchronizing user interface events with network data
US9842093B2 (en) 2006-06-30 2017-12-12 International Business Machines Corporation Method and apparatus for intelligent capture of document object model events
US9787803B2 (en) 2008-08-14 2017-10-10 International Business Machines Corporation Dynamically configurable session agent
US9934320B2 (en) 2009-03-31 2018-04-03 International Business Machines Corporation Method and apparatus for using proxy objects on webpage overlays to provide alternative webpage actions
US10521486B2 (en) 2009-03-31 2019-12-31 Acoustic, L.P. Method and apparatus for using proxies to interact with webpage analytics
US10474840B2 (en) 2012-10-23 2019-11-12 Acoustic, L.P. Method and apparatus for generating privacy profiles

Also Published As

Publication number Publication date
WO1998043449A3 (fr) 1999-01-21
DE19712262A1 (de) 1998-10-01
DE19712262B4 (de) 2006-06-08

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