EP0653140A1 - Systeme de services d'abonne pour systemes de telecommunications mobiles permettant l'acces par central prive (pabx) - Google Patents

Systeme de services d'abonne pour systemes de telecommunications mobiles permettant l'acces par central prive (pabx)

Info

Publication number
EP0653140A1
EP0653140A1 EP94914674A EP94914674A EP0653140A1 EP 0653140 A1 EP0653140 A1 EP 0653140A1 EP 94914674 A EP94914674 A EP 94914674A EP 94914674 A EP94914674 A EP 94914674A EP 0653140 A1 EP0653140 A1 EP 0653140A1
Authority
EP
European Patent Office
Prior art keywords
mobile
arrangement
mtn
network
ptn
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Withdrawn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
EP94914674A
Other languages
German (de)
English (en)
Inventor
Karl Viktor Berggren
Guy Mikael Robert
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.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Publication of EP0653140A1 publication Critical patent/EP0653140A1/fr
Withdrawn legal-status Critical Current

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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/10—Small scale networks; Flat hierarchical networks
    • H04W84/16—WPBX [Wireless Private Branch Exchange]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/0016—Arrangements providing connection between exchanges
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/16—Gateway arrangements

Definitions

  • Subscriber services arrangement for mobile telec-XOT ⁇ unications system providing PABX access.
  • the invention relates to a method and to an arrangement which relate to a mobile telephone network which is utilized by a plurality of mobile telephone stations. More particularly, the invention relates to a telephone system subscriber service arrangement and to a method of directing calls in a telephone system.
  • a business telephone subscriber may have a cordless telephone that makes him at least partially reachable when he is away from his office.
  • the European patent application EP 462727 A2 describes how a limited number of mobile telephone stations in a mobile telephone network are given access to business services that normally only are available to the business telephone sub ⁇ scribers using the private exchange (PABX) . According to the European application, only mobile stations located in a limited area in the mobile network close to the private exchange are given access to the services. The application does not explain how services can be accessed by mobile stations located in a wide area. Employees who need to make and receive telephone calls wherever they are, have to use mobile telephone stations that have no direct connection to a PABX.
  • PABX private exchange
  • the alternatives available today are to use either a stationary PABX telephone or a cordless telephone with limited range of use, using a private numbering plan, or a mobile telephone station with full mobility but with no PABX connec ⁇ tion, using a public numbering plan.
  • One object of the present invention is thus to enable a user of a mobile telephone in a mobile telephone network to use subscriber services which are normally only available to subscribers located in a private telephone network.
  • the intention of the invention is to enable the user to avail himself/herself of the subscriber services irrespective of where the mobile telephone is located in the mobile network.
  • This object is achieved with an inventive arrangement which is connected to both the mobile telephone network and to the private network, and by an inventive method by means of which any call from the mobile telephone can be directed to the inventive arrangement irrespective of where the mobile telephone is located in the mobile telephone network.
  • Another additional object of the invention is to enable use of services even if the user is located in a mobile telephone network other than the one connected to the arran- gement. This object is achieved by another inventive methodby means of which any call can be directed to the inventive arrangement.
  • the advantage with the invention is that the subscriber can act as if he/she belongs to the private network even if he/she is located in any of the mobile telephone networks connected to the private network.
  • Figure 1 shows schematically a telephone system according to the present invention and illustrates an inventive method of directing a call from a mobile telephone to the inventive arrangement
  • Figure 2 shows schematically a telephone system according to the present invention and illustrates an inventive method of directing a call from a mobile telephone in a first mobile telephone network to the inventive arrangement in another mobile telephone network.
  • Figure 1 illustrates a telephone system MTN, PTN, PSTN, which includes a mobile telephone network PTN, a public telephone network PSTN and a private telephone network PTN.
  • the figure schematically shows the mobile telephone networkMTN with its connections, on the one hand, to the public switched telephone network PSTN and, on the other hand, to the private telecom network PTN in accordance with the invention.
  • the mobile telephone network MTN is utilized by a plurality of mobile telephone stations which in the figure are represen ⁇ ted by mobile telephone stations MSI and MS2.
  • the mobile telephone station MSI is supposed to be used by a normal mobile telephone subscriber using the mobile telephone network MTN, while the mobile telephone station MS2 is used by a subscriber belonging to the private telecom network PTN.
  • the mobile telephone station MSI in a conventional manner, communicates by radio with e.g. a base station BS which by e.g. a pulse code modulation (PCM) link, is connected to a mobile services switching center MSC1 which in its turn is connected to the public switched telephone network PSTN via another mobile services switching center MSC2.
  • a base station BS which by e.g. a pulse code modulation (PCM) link
  • PCM pulse code modulation
  • Subscriber information about a subscriber using the mobile telephone station MSI is stored, in a manner known per se, in a home location register HLR connected to the mobile services switching centers MSC1 and MSC2.
  • the private telecom network PTN is shown as comprising a single private automatic branch exchange PABX2 to which a plurality of stationary telephones (not shown) may be con ⁇ nected. It is, however, to be understood that the private telecom network PTN may comprise a number of PABXs and a number of mobile telephone stations MS2. It is also to be understood that the private telecom network PTN not neces ⁇ sarily must comprise the private automatic branch exchange PABX2, but may comprise just a number of mobile telephone stations corresponding to MS2, served by the mobile telephone network MTN.
  • the mobile telephone network MTN comprises a subscriber services arrangement 100 which includes a private automatic branch exchange PABX1.
  • a private automatic branch exchange may be emulated, in software, in the mobile telephone networkMTN, e.g. in a mobile services switching center such as MSC2.
  • the emulated private automatic branch exchange may, as an alter ⁇ native, be located closer to the mobile telephone station MS2 in the mobile telephone network, e.g. in a base station controller (not shown) controlling the base station BS.
  • PABX1 By means of the private automatic branch exchange PABX1, it will be possible to provide any reguested PABX service to the subscriber of the mobile telephone station MS2.
  • the private automatic branch exchange PABX1 in the mobile tele ⁇ phone network MTN will use an available connection, wired or wireless trunks, to the private automatic branch exchange PABX2 in the private telecom network PTN.
  • the communication between the private automatic branch exchanges PABX1 and PABX2 may take place according to a protocol DPNSS 1, Q-SIG or any other protocol in a manner known per se from interconnections between PABXs in private telecom networks.
  • DPNSS 1 and Q-SIG are the two standards today to interconnect PABXs.
  • DPNSS 1 stands for Digital Private Network Signalling System No. 1
  • Q-SIG refers to the Q reference point in a digital access as specified by CCITT.
  • any number dialled from that mobile telephone station MS2 by a subscriber who is a subscriber of the private telecom network PTN shall be routed to the private automatic branch exchange PABX1.
  • the network address of the private automatic branch exchange PABX1 is added as a prefix to the dialled number by the mobile services switching center MSC1, as controlled by the home location register HLR, before the call set-up is sent on into the network.
  • the calling subscriber's mobile station integrated services digital number (MSISDN) or directory number is translated into a pointer to his service profile.
  • Figure 1 illustrates with the aid of arrows the signalling required by an inventive method to direct a call from a mobile telephone MS2 in the mobile telephone network MTN to the subscriber service arrangement 100.
  • the call is directed first to the subscriber services arrangement 100, irrespective of the telephone unit in the telephone system MTN, PSTN, PTN for which the call is intended.
  • the method comprises the steps of: - Transmitting an activating message from the mobile unit (MS2) to the mobile services switching centre 1.
  • the mobile services switching centre MSC1 is referred to here as the first mobile services switching centre 1.
  • the activating message 1 is sent, for instance, in conjunction with the mobile telephone MS2 first entering the cell area managed by the first mobile services switching centre MSC1.
  • the subscriber data query 2 includes a request for subscriber data for the mobile telephone MS2.
  • the subscriber data response 3 includes an address to the subscriber services arrangement 100.
  • the call is intended for a unit in the telephone system MTN, PTN, PSTN, for example a unit A3.
  • the unit for which the call is intended is unimportant to the inventive method.
  • This second call signal includes the address of the subscriber services arrangement 100 after having been processed.
  • a call placed towards a subscriber of the private telecom network PTN, using the mobile telephone station MS2, will be passed on as already have been described above by the private automatic branch exchange PABX1 by using the subscriber's MSISDN.
  • a predetermined security analysis e.g. in the home location register HLR, will verify that only calls from the private automatic branch exchange PABX1 using the sub ⁇ scriber'sMSISDN, will be accepted.
  • the home location register HLR will verify that the call comes from the private automatic branch exchange PABX1 by a predetermined analysis. If the result is positive, the call will proceed as a normal call to an ordinary mobile telephone subscriber.
  • the private automatic branch exchange PABXl will monitor all calls to and from the mobile telephone station MS2 for any Dual Tone Multiple Frequency (DTMF) signalling from the mobile telephone station MS2.
  • DTMF Dual Tone Multiple Frequency
  • Valid service codes signalled by using DTMF, will be acted upon in PABXl as specified according to a predetermined specification.
  • MAP Mobile Application Part
  • GSM Global System for Mobile communication
  • An advantage of the above mechanism is that it enables the private automatic branch exchange PABXl to communicate e.g. alerting messages to the mobile telephone station MS2 by sending text strings to the text window of the mobile telephone station. This is not possible when alternative 1 above is used. 3.
  • Another alternative to allow the subscriber to use his services with no call active, is to dial a service control sequence, and then push the send key as for a normal GSM subscriber service.
  • the private automatic branch exchange PABXl will receive the service code in a call set-up messaged from the mobile services switching center.
  • FIG. 1 a so-called first mobile telephone networkMTNX different to the aforedescribed mobile telephone network MTN, which in the exemplifying embodiment is referred to as a second mobile telephone network MTN.
  • the two networks MTNX and MTN are handled by different operators.
  • the first mobile telephone network MTNX comprises a first mobile services switching centre MSCX in whose cell area the mobile telephone MS2 is located.
  • An inventive method for directing a call, any call, from the mobile telephone MS2 to the subscriber services arrangement 100 is illustrated in Figure 2 and comprises the steps of:
  • the subscriber data reply 13 includes an address to the earlier mentioned data storage device.
  • the data storage device includes an address to the subscriber services arrangement 100. - Sending a second subsciber data query from the mobile services switching centre MSCX to the data storage device.
  • the second reply includes the address to the subscriber services arrangement 100.
  • the call is intended for any unit in the telephone system, for example the unit A3.
  • the invention can be used for data transmission.
  • the mobile tele- phone contains an arrangement for switching off the automatic connection to the subscriber service arrangement 100.
  • PABX oriented services will be available to subscribers of mobile telephone stations, will give mobile telephony the following important merits: It will be possible to use services which are not normally available to a normal subscriber of a mobile telephone station. These services include i.a. Intrusion (to allow intrusion into an ongoing call, e.g. to ask an important question or give important information) and Select Call Acceptance (to allow certain numbers to complete calls so that when the subscriber is at a meeting, a few important col ⁇ leagues will be able to get through without letting all other incoming calls be completed) .
  • Intrusion to allow intrusion into an ongoing call, e.g. to ask an important question or give important information
  • Select Call Acceptance to allow certain numbers to complete calls so that when the subscriber is at a meeting, a few important col ⁇ leagues will be able to get through without letting all other incoming calls be completed

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Telephonic Communication Services (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)

Abstract

L'invention concerne un système de services d'abonné (100) intégré dans un système de télécommunication (MTN, PTN, PSTN) utilisé par une pluralité de stations téléphoniques mobiles (MS1, MS2), dans lequel au moins un central automatique privé (PABX1) est destiné à fournir des services PABX à un groupe prédéterminé d'abonnés desdites stations téléphoniques mobiles multiples.
EP94914674A 1993-04-29 1994-04-28 Systeme de services d'abonne pour systemes de telecommunications mobiles permettant l'acces par central prive (pabx) Withdrawn EP0653140A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE19939301460A SE9301460D0 (sv) 1993-04-29 1993-04-29 Apparatus in a mobile telephone network
SE9301460 1993-04-29
PCT/SE1994/000381 WO1994026073A1 (fr) 1993-04-29 1994-04-28 Systeme de services d'abonne pour systemes de telecommunications mobiles permettant l'acces par central prive (pabx)

Publications (1)

Publication Number Publication Date
EP0653140A1 true EP0653140A1 (fr) 1995-05-17

Family

ID=20389767

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94914674A Withdrawn EP0653140A1 (fr) 1993-04-29 1994-04-28 Systeme de services d'abonne pour systemes de telecommunications mobiles permettant l'acces par central prive (pabx)

Country Status (9)

Country Link
EP (1) EP0653140A1 (fr)
JP (1) JPH07508634A (fr)
KR (1) KR950702373A (fr)
CN (1) CN1108463A (fr)
AU (1) AU6694694A (fr)
CA (1) CA2137136A1 (fr)
FI (1) FI946141A0 (fr)
SE (1) SE9301460D0 (fr)
WO (1) WO1994026073A1 (fr)

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DE69531867D1 (de) * 1994-12-30 2003-11-06 Ericsson Telefon Ab L M System und verfahren betreffend schnurlosekommunikationen
DE19505490A1 (de) * 1995-02-13 1996-08-14 Deutsche Telephonwerk Kabel Kommunikationssystem
US5818824A (en) * 1995-05-04 1998-10-06 Interwave Communications International, Ltd. Private multiplexing cellular network
US5887256A (en) * 1995-05-04 1999-03-23 Interwave Communications International, Ltd. Hybrid cellular communication apparatus and method
DE69623952T2 (de) * 1995-05-04 2003-08-07 Interwave Comm International L Hybride zellulare kommunikationseinrichtung und verfahren dafür
US5734699A (en) * 1995-05-04 1998-03-31 Interwave Communications International, Ltd. Cellular private branch exchanges
US5842138A (en) * 1995-05-04 1998-11-24 Interwave Communications International Ltd. Configuration-independent methods and apparatus for software communication in a cellular network
US5953651A (en) * 1995-05-04 1999-09-14 Interwave Communications International, Ltd. Cellular adjunct to a public wired network
US5577029A (en) * 1995-05-04 1996-11-19 Interwave Communications Cellular communication network having intelligent switching nodes
DE19525363A1 (de) 1995-07-12 1997-01-16 Sel Alcatel Ag Virtuelles privates Netz für Mobilfunkteilnehmer
DE19547110A1 (de) * 1995-12-16 1997-06-19 Sel Alcatel Ag Mobilfunksystem mit leitungsgebundenen Teilnehmeranschlüssen
FI102343B1 (fi) 1996-02-20 1998-11-13 Finland Telecom Oy Järjestelmä ja menetelmä datan lähettämiseksi
US5890064A (en) * 1996-03-13 1999-03-30 Telefonaktiebolaget L M Ericsson (Publ) Mobile telecommunications network having integrated wireless office system
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DE59705144D1 (de) * 1996-06-24 2001-12-06 Siemens Ag Verfahren und System zur Behandlung von jeweils in einem privaten Netz und in einem Mobilfunknetz nutzbaren Zusatzdiensten
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FR2776883B1 (fr) 1998-03-27 2000-04-28 Alsthom Cge Alcatel Systeme pour integrer des terminaux de telecommunication mobile a un systeme de telecommunication prive
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Also Published As

Publication number Publication date
AU6694694A (en) 1994-11-21
JPH07508634A (ja) 1995-09-21
FI946141A (fi) 1994-12-28
FI946141A0 (fi) 1994-12-28
WO1994026073A1 (fr) 1994-11-10
CA2137136A1 (fr) 1994-11-10
SE9301460D0 (sv) 1993-04-29
KR950702373A (ko) 1995-06-19
CN1108463A (zh) 1995-09-13

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