EP1013108A1 - Procede de surveillance d'appels d'arrivee - Google Patents

Procede de surveillance d'appels d'arrivee

Info

Publication number
EP1013108A1
EP1013108A1 EP98948952A EP98948952A EP1013108A1 EP 1013108 A1 EP1013108 A1 EP 1013108A1 EP 98948952 A EP98948952 A EP 98948952A EP 98948952 A EP98948952 A EP 98948952A EP 1013108 A1 EP1013108 A1 EP 1013108A1
Authority
EP
European Patent Office
Prior art keywords
monitoring
call
scp
subscriber
ssp
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Withdrawn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
EP98948952A
Other languages
German (de)
English (en)
Inventor
Frank Erfurt
Norbert Kreusch
Wolfgang PFÄHLER
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
Original Assignee
Siemens AG
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 filed Critical Siemens AG
Publication of EP1013108A1 publication Critical patent/EP1013108A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/22—Arrangements for supervision, monitoring or testing
    • H04M3/2281—Call monitoring, e.g. for law enforcement purposes; Call tracing; Detection or prevention of malicious calls
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/0016—Arrangements providing connection between exchanges
    • H04Q3/0029—Provisions for intelligent networking
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13091—CLI, identification of calling line
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13093—Personal computer, PC
    • 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
    • H04Q2213/13206—User-to-user signaling, UUS
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13296—Packet switching, X.25, frame relay
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13345—Intelligent networks, SCP
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13372—Intercepting operator

Definitions

  • IN computer Service Control Point SCP
  • IN access switching centers Service Switching Points SSP
  • SSP Service Switching Points SSP
  • the switching computer Not known for whom the connections are switched because the logic and the billing is provided by the IN computer (e.g. Universal Personal Telecommunications UPT, Virtual Private Network VPN).
  • the monitoring function is to be integrated in the public switching centers (Vst) on the basis of further legal regulations.
  • Result data of a monitoring are transferred directly from the IN computer (SCP) to the user (e.g. police).
  • SCP IN computer
  • user e.g. police
  • Switching centers of a network could take place, this would require transferring the data in the case of monitoring from the IN computer to the Vst (via standardized INAP protocol) and preparatory work to prepare all the necessary configurations in all Vstn.
  • the multiple storage of monitoring data would contradict the requirement to treat this data confidentially and to store it only at a few selected points in the network.
  • the IN computer must have a lot of data which may Vst manufacturer-specific are saved and, if necessary, transferred to the requesting Vst (SSP);
  • the invention is based on the object of specifying a method by which the problems mentioned are avoided.
  • That IN traffic can also be monitored if SSPn without monitoring functions are available in the network (older versions or SSP from other manufacturers). For this purpose, the original IN call is diverted via a predetermined Vst
  • the method according to the invention consists in that, in the case of an IN call in an SCP, it is determined whether an IN subscriber involved in the IN call is to be monitored, for an IN subscriber to be monitored
  • Identification number of the IN participant to be monitored is communicated.
  • the monitoring switching center uses the identification number to determine from the
  • Monitoring database the data describing the monitoring (e.g. type of monitoring, user, ...), on the basis of which it carries out a corresponding monitoring.
  • An important advantage of the invention is that only a small amount of data (the "monitor" indicator, the identification number of the IN subscriber to be monitored (calling and / or called IN subscriber) have to be transmitted from the IN computer to the monitoring switching center.
  • An IN subscriber (or his identification number) is marked for monitoring in the SCP. If a request is now made for this subscriber from any SSP in the network, the SCP also provides the SSP with monitoring information, in addition to the B partner number (IN service), namely the monitoring identifier, the identification number of the IN to be monitored Participant and possibly one
  • the SSP evaluates the information, inserts a monitoring connection into the IN call and feeds it to a monitoring device (remote user) in a selected Vst (the Vst is selected either on the basis of the SCP information. (Forwarding number of the remote user), or by using a redirection profile that is available in the SSP).
  • the original IN call is treated in the SSP as without a monitoring function, ie without any influence. The further treatment and control of the
  • Monitoring connection is made by the remote user in the selected Vst (see Figure 1).
  • an IN subscriber (or his identification number) is marked for monitoring, i.e. it is stored in the SCP that this IN participant is to be monitored. If a request is made for this subscriber from any SSP in the network, the SCP initiates a forwarding of the original IN call to a predetermined Vst, in which the monitoring measure for this call is set up (hand over of the monitored IN call to the predetermined Vst). The monitoring connection is looped into the IN call on this SSP (see FIG. 2). The further IN control for the original IN call can be carried out by both the first SSP and the second SSP. If the control remains with the first SSP, under certain conditions (explained below) in the Vst with the monitoring functionality, a second IN communication can be omitted.
  • the A subscriber dials an IN (UPT) number.
  • An IN query takes place in the originating Vst and as a "reply" the SCP does not supply the network address of the UPT subscriber (as actually requested), but causes the originating Vst to redirect the call to another SSP. So that the actual call can now be handled correctly, the Provide SCP with a "special number” that triggers the desired action in the second SSP.
  • the "special call number” is made up of two components, namely a redirect address to the monitoring SSP and an IN trigger number, ie the service subscriber number of the UPT
  • the "special call number" is transmitted from the originating SSP to the second SSP and there again leads to an IN query, the SCP now recognizing on the basis of the number combination "redirection address + UPT number" that now, apart from the monitoring information, the
  • the A subscriber dials an IN (UPT) number.
  • IN IN
  • the SCP provides, in addition to the monitoring information and the network address of the UPT subscriber, prefix digits which cause the original call to be diverted to another SSP. So that the actual call can now be handled correctly there, the diverting part in front of the network address must be removed again. This removal can in turn be controlled by an IN query or by internal Vst code processing (in the second SSP). That the "special number" that the SCP provides in scenario 2 is suspended
  • Redirection number + network address of the UPT subscriber together (in this scenario, which does not provide for a second IN query, the monitoring information must already be transferred with the first query).
  • Vst is controlled in the local area network Kunststoff and the complete special call number is transferred there
  • the number 089 9999 1837 242424 leads to a new IN query for the network address of the UPT subscriber (with the UPT number 01837 242424) and for monitoring
  • the second SSP switches the IN call to Hamburg to the UPT subscriber with the network address 040 47114711.
  • Vst is controlled in the local area network Kunststoff and the complete special call number is transferred there
  • the number 089 9999 04047114711 leads to a new IN query, where only the 089 9999 is removed or the number is changed in the routing agent by code processing from 089 9999 04047114711 to 04047114711 changed. In addition, monitoring is recognized and the measure is carried out.
  • the second SSP switches the IN call to Hamburg to the UPT subscriber on 040 47114711.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Security & Cryptography (AREA)
  • Technology Law (AREA)
  • Signal Processing (AREA)
  • Telephonic Communication Services (AREA)

Abstract

La surveillance du trafic d'appels d'arrivée est rendue difficile par le fait que, d'une part, les réglement juridiques ne permettent d'intégrer la fonction de surveillance qu'à des centraux téléphoniques publics et que, par ailleurs, l'identification d'une télécommunication d'arrivée ne se fait souvent que dans un ordinateur de traitement d'appels (point de commande de services). L'invention résoud ce problème selon un procédé consistant pour l'ordinateur de traitement d'appels à communiquer au central de surveillance le numéro d'identification d'un abonné surveillé pendant une communication d'arrivée.
EP98948952A 1997-09-11 1998-09-10 Procede de surveillance d'appels d'arrivee Withdrawn EP1013108A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19739957 1997-09-11
DE19739957 1997-09-11
PCT/EP1998/005767 WO1999013655A1 (fr) 1997-09-11 1998-09-10 Procede de surveillance d'appels d'arrivee

Publications (1)

Publication Number Publication Date
EP1013108A1 true EP1013108A1 (fr) 2000-06-28

Family

ID=7842022

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98948952A Withdrawn EP1013108A1 (fr) 1997-09-11 1998-09-10 Procede de surveillance d'appels d'arrivee

Country Status (3)

Country Link
EP (1) EP1013108A1 (fr)
CN (1) CN1270739A (fr)
WO (1) WO1999013655A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1014734B1 (fr) * 1998-12-03 2005-03-16 Siemens Aktiengesellschaft Procédé d'écoutes légales d'un abonné dans un réseau intelligent

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5627819A (en) * 1995-01-09 1997-05-06 Cabletron Systems, Inc. Use of multipoint connection services to establish call-tapping points in a switched network
US5937056A (en) * 1997-02-19 1999-08-10 Ericsson Inc. Alternate routing for calls requiring monitoring
US5923744A (en) * 1997-04-24 1999-07-13 Ericsson Inc. Intercepting call communications within an intelligent network
CA2209238C (fr) * 1997-06-27 2000-07-25 Bell Canada Methode et appareil servant a surveiller des seances de telecommunication selectionnees dans un reseau telephonique commute intelligent

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO9913655A1 *

Also Published As

Publication number Publication date
WO1999013655A1 (fr) 1999-03-18
CN1270739A (zh) 2000-10-18

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