WO1995021509A1 - A method and an arrangement of handling and inspecting supplementary services intended for a mobile telephone unit - Google Patents

A method and an arrangement of handling and inspecting supplementary services intended for a mobile telephone unit Download PDF

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Publication number
WO1995021509A1
WO1995021509A1 PCT/SE1995/000090 SE9500090W WO9521509A1 WO 1995021509 A1 WO1995021509 A1 WO 1995021509A1 SE 9500090 W SE9500090 W SE 9500090W WO 9521509 A1 WO9521509 A1 WO 9521509A1
Authority
WO
WIPO (PCT)
Prior art keywords
gmsc
main switch
hlr
unit
sending
Prior art date
Application number
PCT/SE1995/000090
Other languages
French (fr)
Inventor
Mats Werner Gandils
Sven Jörgen Lantto
Arne Pehersson
Mats Ola Stille
Bo Arne Valdemar ÅSTRÖM
Ari Peltonen
Original Assignee
Telefonaktiebolaget Lm Ericsson
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 filed Critical Telefonaktiebolaget Lm Ericsson
Priority to EP95909169A priority Critical patent/EP0707777A1/en
Priority to JP52054295A priority patent/JP3394779B2/en
Priority to US08/530,161 priority patent/US5781858A/en
Priority to AU17221/95A priority patent/AU680347B2/en
Publication of WO1995021509A1 publication Critical patent/WO1995021509A1/en
Priority to FI954613A priority patent/FI954613A/en

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W8/00Network data management
    • H04W8/18Processing of user or subscriber data, e.g. subscribed services, user preferences or user profiles; Transfer of user or subscriber data
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M3/00Automatic or semi-automatic exchanges
    • H04M3/38Graded-service arrangements, i.e. some subscribers prevented from establishing certain connections
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M3/00Automatic or semi-automatic exchanges
    • H04M3/42Systems providing special services or facilities to subscribers
    • H04M3/4228Systems providing special services or facilities to subscribers in networks
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M3/00Automatic or semi-automatic exchanges
    • H04M3/42Systems providing special services or facilities to subscribers
    • H04M3/54Arrangements for diverting calls for one subscriber to another predetermined subscriber
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M3/00Automatic or semi-automatic exchanges
    • H04M3/38Graded-service arrangements, i.e. some subscribers prevented from establishing certain connections
    • H04M3/382Graded-service arrangements, i.e. some subscribers prevented from establishing certain connections using authorisation codes or passwords
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M3/00Automatic or semi-automatic exchanges
    • H04M3/42Systems providing special services or facilities to subscribers
    • H04M3/42229Personal communication services, i.e. services related to one subscriber independent of his terminal and/or location

Definitions

  • a method and an arrangement of handling and inspecting supplementary services intended for a mobile telephone unit is a method and an arrangement of handling and inspecting supplementary services intended for a mobile telephone unit.
  • the present invention relates to a method of handling and inspecting supplementary services intended for a mobile tele ⁇ phone unit.
  • the invention also relates to an arrangement for carrying out the method.
  • a supplementary service constitutes an expansion in the flexibility of the telephone unit and examples of such services are "call transfer service” and "block on outgoing calls".
  • the call transfer service requires a.user of a telephone unit in a telecommunications system to request the transfer of a call arriving at the telephone unit to another telephone unit, through the medium of the dialling buttons on the unit.
  • services are available, or when handling a supplementary services, for instance the aforesaid call transfer service which requires a telephone unit to which calls are to be transferred t be specified, it is necessary with known mobile telephony techniques to use the mobile telephone unit for which the service is intended when making said specification.
  • Supple- mentary services within mobile telephony and the use of these services are shown in GSM recommendation 02.80-02.88, 03.80- 03.90 and 04.80-04.90, it being shown, among other things, how the supplementary service of a mobile unit is handled from the mobile unit.
  • the "call transfer” service can be activated, for instance, when the user is in the proximity of a telephone unit to which call transfers are desired.
  • the service "block on outgoing calls” can be activated if the mobile unit has been stolen, for instance. It is known from U.S.
  • the object of the present invention is to enable supplementary services intended for a mobile unit to be handled and inspec ⁇ ted from any chosen telephone unit. This object is achieved in accordance with the invention by establishing a dialogue between a user of the telephone unit and a data base in which the supplementary services to which the mobile unit has subscribed are stored.
  • Another object of the present invention is to enable available supplementary services to be inspected from any chosen telephone and to be able to inspect the content of the services and also to inspect the activation status of said services.
  • Another object of the present invention is to enable a supplementary service to be activated/deactivated from any chosen telephone. Still another object of the invention is to enable the configuration of a supplementary service to be given in detail from any chosen telephone, for instance by giving those parameters that are necessary in order to utilize the service.
  • the present invention thus relates to a method and to an arrangement relating to a mobile telecommunications network for handling and inspecting a supplementary service intended for a mobile unit from any chosen telephone unit.
  • the network includes a home location register in which the supplementary service of the mobile is stored.
  • the arrangement includes a system which includes communica ⁇ tion nodes, such as switches for instance.
  • the nodes enable messages to be transported to and from the telephone unit and the home location register.
  • the nodes include transmitter and receiver units for transmitting and receiving the messages necessary to the invention.
  • the invention thus solves the problem of dealing with sup ⁇ plementary services from a chosen telephone unit.
  • the ad- vantage with this solution is that the owner of a mobile unit is able to deal with supplementary services intended for the mobile unit without having access to the mobile unit when dealingwith said services.
  • the invention can be used advantageously when the owner of a mobile unit has forgotten to instigate a call transfer service after having moved to another telephone unit.
  • the invention may also be used to advantage when the owner's mobile unit has been stolen, for instance.
  • the service "Block on outgoing calls" can then be activated by the owner from another telephone unit.
  • Figure 1 is a perspective illustration of a telephone system which includes a fixed telephone network and a mobile tele ⁇ phone network.
  • Figure 2 is a schematic illustration of a telephone communi ⁇ cations systemwhich includes a public switched land telephone network and a mobile telephone network.
  • Figure 3 is a flowsheet which illustrates a signalling procedure for remotely controlling a supplementary service in the configuration according to Figure 2.
  • Figure 4 is a schematic illustration of a telecommunications system which includes a mobile telephone network.
  • Figure 5 is a schematic illustration of a telecommunications systemwhich includes a public switched landtelephone network and a mobile telephone network.
  • Figure 6 is a flowsheet which illustrates a signalling procedure for remote control of a supplementary service in the configuration according to Figure 5.
  • Figure 7 is a block schematic illustrating a signal distribu ⁇ tion arrangement.
  • telecommunications system which includes a public switched land network and a PDC-typemobile telephone network (Personal Digital Cellular) and thereafter a few embodiments relevant to the invention.
  • PDC-typemobile telephone network Personal Digital Cellular
  • FIG 1 illustrates a PDC-type public land mobile network PLMN which includes a central mobile -telephone switch, a so- called main switch GMSC, which is connected to a plurality of mobile telephone switches MSCA, MSCB.
  • Each mobile telephone switch MSCA, MSCB is, in turn, connected to a plurality of base stations, each of which superintends a geographical area which includes one ormore cells.
  • the mobile telephone network also includes a central data base, a home location register HLR, which is connected to both the main switch GMSC and to all mobile telephone switches MSCA, MSCB within the mobile telephone network. Only the connection between themain switch GMSC and the home location register HLR is shown in Figure 1.
  • the mobile units A2, B which have obtained a subscription to the network operator of the mobile telephone network are registered in the home location register HLR.
  • the public switched telephone network PSTN includes a local exchange LE to which a telephone unit Al is connected.
  • a connection between the public switched telephone network PSTN and the public land mobile network PLMN is set up through the main switch GMSC.
  • the main switch GMSC and the mobile telephone switches MSCA, MSCB include the same functions.
  • the switch to which a connection is established from the public switched telephone network PSTN is designated the main switch GMSC.
  • the choice of switch is based on the choice of the most suitable set-up route between the public switched telephone network PSTN and the public land mobile network PLMN.
  • the PDC network is well specified in the standard Internode Specification for Digital Mobil Communications Network - Ver. 4.0.
  • Figure 2 illustrates solely those units in a public land mobile network PLMN and a public switched telephone network PSTN that are necessary to obtain an understanding of the invention. Numerous units that are included in a complete telecommunications system have been excluded from the Figure, in an attempt to make the Figure more clear.
  • the public land mobile network PLMN shown in Figure 2 includes a main switch GMSC.
  • the main switch GMSC includes a speech machine AM with which speech messages can be sent to users of the telecommunications system.
  • the main switch GMSC forms a connecting link between the public land mobile network PLMN and the public switched telephone network PSTN when signalling between the networks.
  • the public switched telephone network PSTN includes a local exchange LE which transfers signalling to and from a telephone unit Al in the PSTN network.
  • the local exchange LE is con ⁇ nected to the main switch GMSC.
  • the public land mobile network PLMN includes a mobile switching centre MSCB which is con- nected to the main switch GMSC.
  • the mobile switching centre MSCB transfers signalling to and from a mobile unit B which is located within the cell area and handled by the mobile switching centre MSCB.
  • the mobile telephone network also includes a home location register which is connected to the main switch GMSC.
  • the home location register HLR includes a memory space M in which those supplementary services SS belonging to the mobile unit B are stored.
  • the supplementary services expand the flexibility of the mobile unit B and may be of the following kind, for instance: - Call transfer, i.e. a user is able to transfer incoming calls to another telephone unit.
  • the public land mobile network PLMN functions according to PDC specifications, although the method which will now be described may also be applied in systems of similar types, for instance in GSM, ADC, and so on.
  • the embodiment described in more detail below illustrates the method of procedure for stating the configuration of a supplementary service SI intended for the mobile unit B in detail.
  • the service is designated call transfer SI.
  • the inventive method which will now be presented, is able to perform this important function and comprises the following steps:
  • connection 1 is set-up between the telephone unit Al and the main switch GMSC, when a user of the telephone unit Al states a service number intended for handling supplementary services, with the aid of the telephone buttons.
  • the service number is 123456.
  • a confirmation 2 is sent from the main switch GMSC to the local exchange LE. This confirmation states that the connec ⁇ tion 1 has been established.
  • a first so-called prompt message 3 which in the case of this embodiment is a spoken message, is sent from the speech machine AM in the main switch GMSC to the telephone unit Al.
  • the prompt message 3 has the following wording: "Please state the telephone number of the subscriber to which the supple- entary service belongs - followed by the stars - thereafter your personal identification code - finish with a square".
  • a first tone message 4 is sent from the telephone unit Al to the main switch GMSC.
  • the telephone unit transmits with so-called DTMF signalling, i.e. a signalling procedure in which in response to the depression of a button or key, there is sent via the connection 1 a tone which has a frequency specific for each button or key.
  • the tone message 4 includes a series of button depressions, which together form an answer to the request made by the spoken message.
  • the tone message is comprised of the followingbuttondepressions: 0102054593*1341#.
  • Theaforemen ⁇ tioned prompt messages 3 and tone messages 4 are merely examples of such messages.
  • a first subprompt message will have the following wording: "Please state the telephone number of the subscriber to which the supplementary service belongs - finish with a square". There then follows a first subtone message: 0102054593#. The first subtone message is followedby a second subpromptmessage: "Please state your personal identification number - finish with a square”. There then follows a second subtone message: 1341#.
  • Other variations of the aforesaid dialogue are conceivable to achieve the same result.
  • the first tone message 4 arriving at the main switch is converted in the switch to a message form suitable for signalling between the main switch GMSC and the home location register HLR.
  • a check message 5 is sent from the main switch GMSC to the home location register HLR.
  • the check message includes the telephone number of the mobile unit B and the personal identification code, the so-called authority word.
  • the check message 5 will be described in more detail below.
  • the authority word is checked by comparing the word with an authority word known to the home location register (HLR) and connected with the telephone number of the mobile unit.
  • accept message 6 is then sent from the home location register HLR to the main switch GMSC.
  • the accept message informs the main switch GMSC that the user of the telephone unit is authorized.
  • the accept message 6 will be described in more detail below.
  • the accept message 6 arriving at the main switch GMSC is analyzed in the main switch and converted in the speech machine AM to a message form suitable for prompt-signalling.
  • a second prompt message 7 is sent to the telephone unit Al from the speech machine AM in the main switch GMSC.
  • the spoken prompt message 7 has the following wording: "Please state the procedure desired - finish with a square".
  • a second tone message 8 is sent from the telephone unit Al to the main switch GMSC.
  • the content of the tone message is *21*08836889#.
  • the prefix *21* denotes in this case activation of the call transfer service SI.
  • the prefix is followed by a telephone number 08836889 which identifies the telephone unit to which calls are to be transferred.
  • the prefix given in the second tone message is the same as the prefix that is given when handling supplemen ⁇ tary services conventionally, i.e. when a telephone unit to which the services belong is used in the handling procedure.
  • the second prompt message 7 and the second tone message 8 may be divided into submessages in a similar manner to that earlier described for the first prompt message 3 and the first tone message 4.
  • the second tone message 8 arriving at the main switch GMSC is converted in the main switch to a message form suitable for signalling between the main switch GMSC and the home location register HLR.
  • a procedure message 9 is sent f om the main switch GMSC to the home location register HLR.
  • the procedure message 9 includes specification of the call transfer service SI in accordance with the second tone message 8.
  • the call transfer service SI is handled in accordance with the specification.
  • a status message 10 is sent from the home location register HLR to the main switch GMSC.
  • the status message informs the main switch GMSC that handling of the call transfer service has been implemented.
  • the status message 10 arriving at the main switch GMSC is analyzed in the main switch and is converted in the speech machine AM to a message form suitable for prompt signalling.
  • a third prompt message 11 is sent to the telephone unit Al from the speech machine AM in the main switch GMSC.
  • the spoken message has the following wording: "The procedure has been implemented - please replace your receiver”.
  • Figure 3 is a flowsheet illustrating the aforedescribed method.
  • the flowsheet illustrates the steps that are most essential to the concept behind the invention.
  • the abbrevia ⁇ tions in the text on the Figure have been explained in the aforegoing.
  • the text on the Figure enclosed in parenthesis refers either to the messages that are sent between different units in the telecommunications system or to a unit in the telecommunications system inwhich a procedure is carried out.
  • the method is carried out in accordance with Figure 3 and in accordance with the following description:
  • connection 1 is set-up between the telephone unit Al and the main switch GMSC, in accordance with block 101.
  • - Confirmation 2 of the connection is sent from the main switch GMSC to the local exchange LE, in accordance with block 102.
  • the first promptmessage 3 is sent from the main switch GMSC to the telephone unit Al, in accordance with block 103. This prepares the user of the telephone unit Al to state the ( telephone number of a mobile unit B and a personal identifi ⁇ cation code, the so-called authority word.
  • the telephone number of the mobile B and the authority word are sent from the telephone unit Al to the main switch GMSC through the medium of the tone message 4, in accordance with block 104.
  • the telephone number of the mobile B and the authority word are forwarded by sending the check message 5 from the main switch GMSC to the home location register HLR, in accordance with block 105.
  • the authority word is checked in the home location register HLR, in accordance with block 106.
  • the authority word is accepted in accordance with block 107.
  • the main switch GMSC is informed that the user is autho ⁇ rized, by sending the accept message 6 between the home location register HLR and the main switch GMSC, in accordance with block 108.
  • the second prompt message 7 is sent from the main switch GMSC to the telephone unit Al, in accordance with block 109.
  • the user is herewith requested to state the desired handling of the service SI.
  • the request for handling of the call transfer service SI is sent from the telephone unit Al to the main switch GMSC through the medium of the second tone message 8, in accordance with block 110.
  • the handling request is forwarded by sending the request message 9 from the main switch GMSC to the home location register HLR, in accordance with block 111.
  • the call transfer service SI is handled in the home location register HLR, in accordance with block 112.
  • the main switch GMSC is informed that handing of the service has been implemented, by sending a status message 10 from the home location register HLR to the main switch GMSC, in accordance with block 113.
  • the third prompt message 11 is sent from the main switch GMSC to the telephone unit Al, in accordance with block 114.
  • the user is herewith informed that the service has been implemented.
  • the aforesaid check message 5 and the accept message 6 will now be described briefly in more detail.
  • the structure of the messages 5 and 6 is similar to the structure used in a GSM mobile telephone network, namely "GSM 09.02 MAP".
  • the struc ⁇ ture is described in GSM recommendation 09.02.
  • the structure of the messages is created by using a CCITT No. 7 based structure MAP, SCCP and TCAP from CCITT No. 7's protocol stack.
  • CCITT No. 7 is considered to be well-known by the person skilled in this art.
  • the check message 5 and the accept message 6 can be written according to ASN.l (CCITT recommendation X.208) as shown below:
  • the earlier described procedure message 9 and the status message 10 have a structure similar to that used in a GSM mobile telephone network.
  • the procedure message 9 and the status message 10 can be described according to ASN.l (CCITT recommendation X.208) .
  • An example of this structure when concerning a call transfer service is given below: SS-REMOTE-CONTROL (GMSC - HLR)
  • RESULT SEQUENCE( ss-Code SS-Code, status forwardedToNumber )
  • the accept message 6 informs the main switch GMSC that the user of the telephone unit is authorized.
  • the main switch GMSC analyzes the content of the accept message 6 and chooses an appropriate prompt message with the aid of the analysis result, this prompt message being the second prompt message 7 in the case of the illustrated embodiment.
  • the status message 10 informs the main switch GMSC that handling of the call transfer service SI has been implemented.
  • the main switch analyzes the content of the status message 10 and chooses an appropriate prompt message on the basis of the result of the analysis, this prompt message being the third promptmessage 11 in the illustrated embodiment.
  • this prompt message being the third promptmessage 11 in the illustrated embodiment.
  • the main switch has a more trans ⁇ parent character than the main switch earlier described with reference to the Figure 2 embodiment, .in which the main switch GMSC is able to analyze the messages itself and reach its own decisions.
  • the connection 1 set-up in the earlier described Figure 2 embodiment between the telephone unit Al and the main switch GMSC according to Figure 4 is replaced by a connection 101 between the telephone unit A2 and the home location register HLR, whereafter the home location register HLR informs the main switch GMSC that a first prompt message 3 shall be sent to the telephone unit A2, with the aid of a reception request 103.
  • the conformation 2 mentioned with reference to Figure 2 is sent from the main switch GMSC after the connection 1 has been set-up. Since the telephone unit is a mobile unit A2 in this case, the earlier mentioned local exchange LE has been replaced with a mobile services switching centre MSCA.
  • a confirmation 42 is sent from the main switch GMSC to the local exchange LE.
  • the confirmation states that the connection 41 has been set-up.
  • a first so-called prompt message 43 which is a spoken message, is sent to the telephone unit Al from the speech machine AM in the main switch GMSC.
  • the prompt message 43 has the following wording: "Please state the telephone number of the subscriber to which the supplementary service belongs - followed by a star - then state your personal identification code - followed by a star - then state the prefix of the service that you wish to inspect - finish with a square".
  • a first tone message 44 is sent from the telephone unit Al to the main switch GMSC.
  • the tone message is generated by depressing the following buttons or keys: 0102054593*1341*21#.
  • the first tone message 44 arriving at the main switch is converted in the main switch to a message form suitable for signalling between the main switch GMSC and the home location register HLR.
  • a check message 45 is sent from the main switch GMSC to the home location register HLR.
  • the check message includes the telephone number of the mobile unit B, the authority word and the prefix of the service to be inspected.
  • the authority word is checked by comparing the word with an authority word known by the home location register (HLR) , this word being connected with the telephone number of the mobile unit.
  • HLR home location register
  • a status message 50 is sent from the home location register HLR to the main switch GMSC.
  • the status message informs the main switch GMSC of the content of the call transfer service SI.
  • the status message 50 arriving at the main switch GMSC is analyzed in the main switch and converted to a message form suitable for prompt signalling.
  • a second prompt message 51 is sent to the telephone unit Al from the speech machine AM in the main switch GMSC.
  • the spoken message has the following wording: "The call transfer service is activated - The call transfer is ordered to subscriber number 08836889".
  • Figure 6 is a flowsheet describing the aforesaid method.
  • the flowsheet illustrates the most essential steps in the concept behind the invention.
  • the abbreviations in the text in the Figure have been explained above.
  • the text presented in parenthesis in the Figure refers either to the messages that are sent between different units in the telecommunications system or to a unit in the telecommunications system in which a procedure is carried out.
  • the method is carried out in accordance with Figure 3 and in accordance with the following description:
  • connection 41 is set-up between the telephone unit Al and the main switch GMSC, in accordance with block 201.
  • the first prompt message 43 is sent from the main switch GMSC to the telephone unit Al, in accordance with block 203.
  • the user of the telephone unit Al is herewith requested to state the telephone number of a mobile unit B, an authority word and the service to be inspected.
  • the telephone number of the mobile B, the authority word and the inspection request are sent from the telephone unit Al to the main switch GMSC through the medium of the tone message 44, in accordance with block 204.
  • the telephone number of the mobile B, the authority word and the inspection request are forwarded by sending a check message 45 from the main switch GMSC to the home location register HLR, in accordance with block 205.
  • the authority word is checked in the home register HLR, in accordance with block 206.
  • the main switch GMSC is informed of the content of the service, by sending the status message 50 from the home register HLR to the main switch GMSC, in accordance with block 208.
  • the second prompt message 51 is sent from the main switch GMSC to the telephone unit Al, in accordance with block 209. The user is herewith informed of the content of the service.
  • FIG. 7 illustrates an inventive so-called handling arrange ⁇ ment 499.
  • the handling arrangement 499 is used to execute the procedures earlier described with reference to the embodi ⁇ ments, i.e. handling or inspecting supplementary services SS from any chosen telephone unit.
  • The-arrangement includes a main switch GMSC which incorporates a conversion unit 500 which is connected to the telephone unit Al and a home location register HLR.
  • the conversion unit 500 is used to convert and distribute signals to and from the telephone unit Al and the home location register HLR, and includes a speech machine AM for transmitting spoken messages to the telephone unit Al.
  • the conversion unit 500 also includes a tone receiver TM which receives the tone messages from the telephone unit Al.
  • the arrangement 499 also includes a map transmitter MS and a map receiver MM by means of which messages can be sent from the main switch GMSC to the home location register HLR, and vice versa, through the medium of a so-called MPA interface.
  • the conversion unit 500 also includes a so-called analysis unit AE in which signals from one of the different units AM, TM, MS and MM are analyzed and converted for transmission to another of the various unit AM, TM, MS and MM.
  • the messages sent by the conversion unit 500 are the same as those descri ⁇ bed in the earlier embodiments with reference to Figures 2, 4 and 5, among others.
  • the handling arrangement 499 also includes a check unit KE in the home location register HLR and a handling unit HE
  • the various examples of methods and arrangements described above are not restricted to any particular configuration of a telecommunications system.
  • the method is not suitable solely for PDC-type mobile telephone networks.
  • the method may also be applied to other types of networks, for instance GSM or ADC networks, and with mobile telephone networks having a configuration similar to the aforesaid.
  • the invention can also be applied in networks which have satel ⁇ lite-type base stations. Neither is it necessary for the networks to be provided with speech transmission facilities in order for the invention to be applied.
  • the invention can also be applied in data or image transmission systems, for instance.
  • Remote control of a service can be effected not only from a fixedly connected telephone unit or a mobile unit, as in the case of the described embodiment, but also from a data terminal that has access to a telephone network, for instance.
  • a mobile unit When an order is made from a mobile unit, it is not necessary for this unit to be located in or to belong to the same network or even the same type of network as the mobile unit to which the services belong.
  • the aforedescribedmethods maybevaried and modified.
  • the prompt messages may include messages which generate text on a user display.
  • the tone messages may include light pulses instead of the aforesaid tones of different frequencies. Neither is it necessary for the mobile unit telephone number to be stated by the user in the first tone message. It is also conceivable to state the pin-code or some other type of identification.
  • the authority word can be checked already in the telephone unit used by the user to remote control the service. This can take place, for instance, after the user has stated his/her authority by inserting an authorization card in the telephone unit. In this case, the telephone unit is assumed to be equipped with a card reader and with the necessary equipment for carrying out the aut ⁇ hority check.

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  • Databases & Information Systems (AREA)
  • Computer Networks & Wireless Communication (AREA)
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Abstract

The present invention relates to a method pertaining to a telecommunications system for handling supplementary services (SS) for a mobile unit (B). The system includes a public land mobile network (PLMN) to which the mobile unit has subscribed. The mobile telephone network includes a main switch (GMSC) or gateway switching center to which there is connected a home location register (HLR). The mobile unit services (SS) are stored in this register. The method comprises the steps of: sending an authority word belonging to the mobile unit (B) and the identification of the mobile unit to the home location register (HLR) from a telephone unit (A1; A2) in the telecommunications system via a telephone connection (1; 101) intended for handling services (SS); checking the authroity word by comparing said word with an authority word known to the home location register (HLR); accepting the authority word received from the telephone unit; sending a sevice (S1) handling specification from the telephone unit (A1, A2) to the home location register (HLR); and performing the specified handling of the service (S1).

Description

A method and an arrangement of handling and inspecting supplementary services intended for a mobile telephone unit.
TECHNICAL FIELD
The present invention relates to a method of handling and inspecting supplementary services intended for a mobile tele¬ phone unit. The invention also relates to an arrangement for carrying out the method.
DESCRIPTION OF THE BACKGROUND ART
It has long been possible to utilize so-called supplementary services, in both public switched land telephone systems and mobile telephony. A supplementary service constitutes an expansion in the flexibility of the telephone unit and examples of such services are "call transfer service" and "block on outgoing calls". The call transfer service requires a.user of a telephone unit in a telecommunications system to request the transfer of a call arriving at the telephone unit to another telephone unit, through the medium of the dialling buttons on the unit. With regard to which services are available, or when handling a supplementary services, for instance the aforesaid call transfer service which requires a telephone unit to which calls are to be transferred t be specified, it is necessary with known mobile telephony techniques to use the mobile telephone unit for which the service is intended when making said specification. Supple- mentary services within mobile telephony and the use of these services are shown in GSM recommendation 02.80-02.88, 03.80- 03.90 and 04.80-04.90, it being shown, among other things, how the supplementary service of a mobile unit is handled from the mobile unit. However, it is often desirable to handle the service from any selected telephone unit, whether mobile or fixed. The "call transfer" service can be activated, for instance, when the user is in the proximity of a telephone unit to which call transfers are desired. The service "block on outgoing calls" can be activated if the mobile unit has been stolen, for instance. It is known from U.S. 5,090,050 to send an activating signal from a selected telephone unit to a data base in a mobile telephone network to which a mobile unit belongs, i.e. the so-called home network. The signal informs the home network that the mobile has moved or can be expected to move to a so-called remote network. The problem with using this known technique resides in the difficulty in converting signalling of the kind described in the U.S. patent specifica¬ tion to the more complex signalling required for handling and inspecting supplementary services.
SUMMARY OF THE INVENTION
The object of the present invention is to enable supplementary services intended for a mobile unit to be handled and inspec¬ ted from any chosen telephone unit. This object is achieved in accordance with the invention by establishing a dialogue between a user of the telephone unit and a data base in which the supplementary services to which the mobile unit has subscribed are stored.
Another object of the present invention is to enable available supplementary services to be inspected from any chosen telephone and to be able to inspect the content of the services and also to inspect the activation status of said services.
Another object of the present invention is to enable a supplementary service to be activated/deactivated from any chosen telephone. Still another object of the invention is to enable the configuration of a supplementary service to be given in detail from any chosen telephone, for instance by giving those parameters that are necessary in order to utilize the service. The present invention thus relates to a method and to an arrangement relating to a mobile telecommunications network for handling and inspecting a supplementary service intended for a mobile unit from any chosen telephone unit. The network includes a home location register in which the supplementary service of the mobile is stored.
The method includes steps for setting-up a connection with the home location register. In this regard, a user of the tele¬ phone unit shows his/her authorization and states the service that is to be handled or inspected. The authorization is checked and the service then handled or inspected.
The arrangement includes a system which includes communica¬ tion nodes, such as switches for instance. The nodes enable messages to be transported to and from the telephone unit and the home location register. The nodes include transmitter and receiver units for transmitting and receiving the messages necessary to the invention.
The invention thus solves the problem of dealing with sup¬ plementary services from a chosen telephone unit. The ad- vantage with this solution is that the owner of a mobile unit is able to deal with supplementary services intended for the mobile unit without having access to the mobile unit when dealingwith said services. For instance, the invention can be used advantageously when the owner of a mobile unit has forgotten to instigate a call transfer service after having moved to another telephone unit. The invention may also be used to advantage when the owner's mobile unit has been stolen, for instance. The service "Block on outgoing calls" can then be activated by the owner from another telephone unit. The invention will now be described in more detail with reference to exemplifying embodiments thereof and also with reference to the accompanying drawings.
BRIEF DESCRIPTION OF THE DRAWINGS
Figure 1 is a perspective illustration of a telephone system which includes a fixed telephone network and a mobile tele¬ phone network.
Figure 2 is a schematic illustration of a telephone communi¬ cations systemwhich includes a public switched land telephone network and a mobile telephone network.
Figure 3 is a flowsheet which illustrates a signalling procedure for remotely controlling a supplementary service in the configuration according to Figure 2.
Figure 4 is a schematic illustration of a telecommunications system which includes a mobile telephone network.
Figure 5 is a schematic illustration of a telecommunications systemwhich includes a public switched landtelephone network and a mobile telephone network.
Figure 6 is a flowsheet which illustrates a signalling procedure for remote control of a supplementary service in the configuration according to Figure 5.
Figure 7 is a block schematic illustrating a signal distribu¬ tion arrangement.
BEST MODES OF CARRYING OUT THE INVENTION
There will be described in more detail a telecommunications system which includes a public switched land network and a PDC-typemobile telephone network (Personal Digital Cellular) and thereafter a few embodiments relevant to the invention.
Figure 1 illustrates a PDC-type public land mobile network PLMN which includes a central mobile -telephone switch, a so- called main switch GMSC, which is connected to a plurality of mobile telephone switches MSCA, MSCB. Each mobile telephone switch MSCA, MSCB is, in turn, connected to a plurality of base stations, each of which superintends a geographical area which includes one ormore cells. The mobile telephone network also includes a central data base, a home location register HLR, which is connected to both the main switch GMSC and to all mobile telephone switches MSCA, MSCB within the mobile telephone network. Only the connection between themain switch GMSC and the home location register HLR is shown in Figure 1. The mobile units A2, B which have obtained a subscription to the network operator of the mobile telephone network are registered in the home location register HLR. The public switched telephone network PSTN includes a local exchange LE to which a telephone unit Al is connected. A connection between the public switched telephone network PSTN and the public land mobile network PLMN is set up through the main switch GMSC. The main switch GMSC and the mobile telephone switches MSCA, MSCB include the same functions. The switch to which a connection is established from the public switched telephone network PSTN is designated the main switch GMSC. The choice of switch is based on the choice of the most suitable set-up route between the public switched telephone network PSTN and the public land mobile network PLMN. The PDC network is well specified in the standard Internode Specification for Digital Mobil Communications Network - Ver. 4.0.
Figure 2 illustrates solely those units in a public land mobile network PLMN and a public switched telephone network PSTN that are necessary to obtain an understanding of the invention. Numerous units that are included in a complete telecommunications system have been excluded from the Figure, in an attempt to make the Figure more clear.
The public land mobile network PLMN shown in Figure 2 includes a main switch GMSC. The main switch GMSC includes a speech machine AM with which speech messages can be sent to users of the telecommunications system. According to one embodiment, the main switch GMSC forms a connecting link between the public land mobile network PLMN and the public switched telephone network PSTN when signalling between the networks. The public switched telephone network PSTN includes a local exchange LE which transfers signalling to and from a telephone unit Al in the PSTN network. The local exchange LE is con¬ nected to the main switch GMSC. The public land mobile network PLMN includes a mobile switching centre MSCB which is con- nected to the main switch GMSC. The mobile switching centre MSCB transfers signalling to and from a mobile unit B which is located within the cell area and handled by the mobile switching centre MSCB. The mobile telephone network also includes a home location register which is connected to the main switch GMSC. The home location register HLR includes a memory space M in which those supplementary services SS belonging to the mobile unit B are stored. The supplementary services expand the flexibility of the mobile unit B and may be of the following kind, for instance: - Call transfer, i.e. a user is able to transfer incoming calls to another telephone unit.
- Restricted use?, i.e. a user is able to prevent unautho¬ rized use of the mobile unit.
- Call blocking, i.e. a user is able to block the mobile unit for certain outgoing calls.
All fixed connections between the signalling nodes enumerated above, i.e. between subscribers, switching centres and registers have been shown in Figure 2 in thick full lines. Signalling, whichwill be described in detail below, naturally occurs over the fixed connections, although signalling has been shown on one side of these connections in order to show signalling more clearly. Signalling is shown in thin full lines. Signalling that is comprised of so-called prompt messages is shown in thin broken lines. The term prompt message will be explained further on. Signalling directions are arrowed in conjunction with the signalling lines. The signalling illustrated in the Figure and necessary to the present invention does not claim to be the complete signalling that is carried out when handling a supplementary service. Signalling considered to belong to well-known techniques is not mentioned in the text or shown in the Figure. As before mentioned, the public land mobile network PLMN functions according to PDC specifications, although the method which will now be described may also be applied in systems of similar types, for instance in GSM, ADC, and so on. The embodiment described in more detail below illustrates the method of procedure for stating the configuration of a supplementary service SI intended for the mobile unit B in detail. The service is designated call transfer SI. The inventive method, which will now be presented, is able to perform this important function and comprises the following steps:
- A connection 1 is set-up between the telephone unit Al and the main switch GMSC, when a user of the telephone unit Al states a service number intended for handling supplementary services, with the aid of the telephone buttons. In this embodiment, the service number is 123456.
- A confirmation 2 is sent from the main switch GMSC to the local exchange LE. This confirmation states that the connec¬ tion 1 has been established.
- A first so-called prompt message 3, which in the case of this embodiment is a spoken message, is sent from the speech machine AM in the main switch GMSC to the telephone unit Al. The prompt message 3 has the following wording: "Please state the telephone number of the subscriber to which the supple- entary service belongs - followed by the stars - thereafter your personal identification code - finish with a square".
- A first tone message 4 is sent from the telephone unit Al to the main switch GMSC. The telephone unit transmits with so- called DTMF signalling, i.e. a signalling procedure in which in response to the depression of a button or key, there is sent via the connection 1 a tone which has a frequency specific for each button or key. The tone message 4 includes a series of button depressions, which together form an answer to the request made by the spoken message. In the case of the present embodiment, the tone message is comprised of the followingbuttondepressions: 0102054593*1341#. Theaforemen¬ tioned prompt messages 3 and tone messages 4 are merely examples of such messages. It is also feasible in accordance with the invention to divide themessages into submessages, so that a first subprompt message will have the following wording: "Please state the telephone number of the subscriber to which the supplementary service belongs - finish with a square". There then follows a first subtone message: 0102054593#. The first subtone message is followedby a second subpromptmessage: "Please state your personal identification number - finish with a square". There then follows a second subtone message: 1341#. Other variations of the aforesaid dialogue are conceivable to achieve the same result.
- The first tone message 4 arriving at the main switch is converted in the switch to a message form suitable for signalling between the main switch GMSC and the home location register HLR.
- A check message 5 is sent from the main switch GMSC to the home location register HLR. The check message includes the telephone number of the mobile unit B and the personal identification code, the so-called authority word. The check message 5 will be described in more detail below. - The authority word is checked by comparing the word with an authority word known to the home location register (HLR) and connected with the telephone number of the mobile unit.
- The check carried out in the home location register HLR results in acceptance of the authority word received from the telephone unit Al.
- An accept message 6 is then sent from the home location register HLR to the main switch GMSC. The accept message informs the main switch GMSC that the user of the telephone unit is authorized. The accept message 6 will be described in more detail below.
- The accept message 6 arriving at the main switch GMSC is analyzed in the main switch and converted in the speech machine AM to a message form suitable for prompt-signalling. - A second prompt message 7 is sent to the telephone unit Al from the speech machine AM in the main switch GMSC. The spoken prompt message 7 has the following wording: "Please state the procedure desired - finish with a square".
- A second tone message 8 is sent from the telephone unit Al to the main switch GMSC. In the present case, the content of the tone message is *21*08836889#. The prefix *21* denotes in this case activation of the call transfer service SI. The prefix is followed by a telephone number 08836889 which identifies the telephone unit to which calls are to be transferred. The prefix given in the second tone message is the same as the prefix that is given when handling supplemen¬ tary services conventionally, i.e. when a telephone unit to which the services belong is used in the handling procedure. The second prompt message 7 and the second tone message 8 may be divided into submessages in a similar manner to that earlier described for the first prompt message 3 and the first tone message 4.
- The second tone message 8 arriving at the main switch GMSC is converted in the main switch to a message form suitable for signalling between the main switch GMSC and the home location register HLR. - A procedure message 9 is sent f om the main switch GMSC to the home location register HLR. The procedure message 9 includes specification of the call transfer service SI in accordance with the second tone message 8. - The call transfer service SI is handled in accordance with the specification.
- A status message 10 is sent from the home location register HLR to the main switch GMSC. The status message informs the main switch GMSC that handling of the call transfer service has been implemented.
- The status message 10 arriving at the main switch GMSC is analyzed in the main switch and is converted in the speech machine AM to a message form suitable for prompt signalling.
- A third prompt message 11 is sent to the telephone unit Al from the speech machine AM in the main switch GMSC. The spoken message has the following wording: "The procedure has been implemented - please replace your receiver".
Figure 3 is a flowsheet illustrating the aforedescribed method. The flowsheet illustrates the steps that are most essential to the concept behind the invention. The abbrevia¬ tions in the text on the Figure have been explained in the aforegoing. The text on the Figure enclosed in parenthesis refers either to the messages that are sent between different units in the telecommunications system or to a unit in the telecommunications system inwhich a procedure is carried out. The method is carried out in accordance with Figure 3 and in accordance with the following description:
- The connection 1 is set-up between the telephone unit Al and the main switch GMSC, in accordance with block 101. - Confirmation 2 of the connection is sent from the main switch GMSC to the local exchange LE, in accordance with block 102.
- The first promptmessage 3 is sent from the main switch GMSC to the telephone unit Al, in accordance with block 103. This prepares the user of the telephone unit Al to state the ( telephone number of a mobile unit B and a personal identifi¬ cation code, the so-called authority word.
- The telephone number of the mobile B and the authority word are sent from the telephone unit Al to the main switch GMSC through the medium of the tone message 4, in accordance with block 104.
- The telephone number of the mobile B and the authority word are forwarded by sending the check message 5 from the main switch GMSC to the home location register HLR, in accordance with block 105.
- The authority word is checked in the home location register HLR, in accordance with block 106.
- Subsequent to this check, the authority word is accepted in accordance with block 107. - The main switch GMSC is informed that the user is autho¬ rized, by sending the accept message 6 between the home location register HLR and the main switch GMSC, in accordance with block 108. -. The second prompt message 7 is sent from the main switch GMSC to the telephone unit Al, in accordance with block 109. The user is herewith requested to state the desired handling of the service SI.
- The request for handling of the call transfer service SI is sent from the telephone unit Al to the main switch GMSC through the medium of the second tone message 8, in accordance with block 110.
- The handling request is forwarded by sending the request message 9 from the main switch GMSC to the home location register HLR, in accordance with block 111. - The call transfer service SI is handled in the home location register HLR, in accordance with block 112.
The main switch GMSC is informed that handing of the service has been implemented, by sending a status message 10 from the home location register HLR to the main switch GMSC, in accordance with block 113. - The third prompt message 11 is sent from the main switch GMSC to the telephone unit Al, in accordance with block 114. The user is herewith informed that the service has been implemented.
The aforesaid check message 5 and the accept message 6 will now be described briefly in more detail. The structure of the messages 5 and 6 is similar to the structure used in a GSM mobile telephone network, namely "GSM 09.02 MAP". The struc¬ ture is described in GSM recommendation 09.02. The structure of the messages is created by using a CCITT No. 7 based structure MAP, SCCP and TCAP from CCITT No. 7's protocol stack. CCITT No. 7 is considered to be well-known by the person skilled in this art.
The check message 5 and the accept message 6 can be written according to ASN.l (CCITT recommendation X.208) as shown below:
REMOTE SS UPDATE REQUEST fGMSC -> H )
RemoteSSUpdateRequest ::= Operation PARAMETER SEQUENCE( mSN MSN, password )
RESULT ERRORS (KnownSubscriber, Passwordfailure)
The earlier described procedure message 9 and the status message 10 have a structure similar to that used in a GSM mobile telephone network.
The procedure message 9 and the status message 10 can be described according to ASN.l (CCITT recommendation X.208) . An example of this structure when concerning a call transfer service is given below: SS-REMOTE-CONTROL (GMSC - HLR)
SS-Remote-Control ::= Operation
PARAMETER ss-RemoteData SS-RemoteData
RESULT SEQUENCE( ss-Code SS-Code, status forwardedToNumber )
The aforedescribed structure of the messages 5, 6, 9 and 10 that are sent between the main switch GMSC and the home location register HLR are merely examples of a structure for these messages. According to the aforedescribed embodiment, the accept message 6 informs the main switch GMSC that the user of the telephone unit is authorized. The main switch GMSC then analyzes the content of the accept message 6 and chooses an appropriate prompt message with the aid of the analysis result, this prompt message being the second prompt message 7 in the case of the illustrated embodiment. As illustrated in Figure 4, it is conceivable to analyze instead the content of the accept message in the home location register HLR, and that an accept message 106 instead informs the main switch GMSC that the second prompt message 7 shall be sent to a telephone unit A2, which in the Figure 4 embodiment is a mobile unit.
According to the embodiment illustrated in Figure 2, the status message 10 informs the main switch GMSC that handling of the call transfer service SI has been implemented. The main switch then analyzes the content of the status message 10 and chooses an appropriate prompt message on the basis of the result of the analysis, this prompt message being the third promptmessage 11 in the illustrated embodiment. As previously mentioned, it is alternatively possible to make the analysis in the home location register HLR instead, and that a status message 110 will instead inform the main switch GMSC that the third prompt message 11 shall be sent to the telephone unit A2. According to the last described alternative signalling shown in Figure 4, the main switch (GMSC) has a more trans¬ parent character than the main switch earlier described with reference to the Figure 2 embodiment, .in which the main switch GMSC is able to analyze the messages itself and reach its own decisions. One requirement, however, is that the connection 1 set-up in the earlier described Figure 2 embodiment between the telephone unit Al and the main switch GMSC according to Figure 4 is replaced by a connection 101 between the telephone unit A2 and the home location register HLR, whereafter the home location register HLR informs the main switch GMSC that a first prompt message 3 shall be sent to the telephone unit A2, with the aid of a reception request 103. As in the earlier case, the conformation 2 mentioned with reference to Figure 2 is sent from the main switch GMSC after the connection 1 has been set-up. Since the telephone unit is a mobile unit A2 in this case, the earlier mentioned local exchange LE has been replaced with a mobile services switching centre MSCA.
The aforedescribed signalling procedures for remotely controlling the call transfer service SI shall be seen only as examples of such procedures. Described below is a further exemplifying embodiment based on the same inventive concept as earlier but involving an alternative signalling procedure. The configurationof the telecommunications system is the same as that earlier described with reference to Figure 2. In this embodiment, a user has chosen to inspect the content of the call transfer service SI instead of handling said content. The following procedure, however, is also suitable for handling the service, as earlier shown. The procedure, or method, is described below with reference to Figure 5: - A connection 41 is set-up between the telephone unit Al and the main switch GMSC, where a user of the telephone unit Al states a service number intended for supplementary service inspection, through the buttons on the telephone. In the case of this embodiment, the service number is 654321.
- A confirmation 42 is sent from the main switch GMSC to the local exchange LE. The confirmation states that the connection 41 has been set-up.
A first so-called prompt message 43, which is a spoken message, is sent to the telephone unit Al from the speech machine AM in the main switch GMSC. The prompt message 43 has the following wording: "Please state the telephone number of the subscriber to which the supplementary service belongs - followed by a star - then state your personal identification code - followed by a star - then state the prefix of the service that you wish to inspect - finish with a square".
- A first tone message 44 is sent from the telephone unit Al to the main switch GMSC. In the case of this embodiment, the tone message is generated by depressing the following buttons or keys: 0102054593*1341*21#.
- The first tone message 44 arriving at the main switch is converted in the main switch to a message form suitable for signalling between the main switch GMSC and the home location register HLR.
- A check message 45 is sent from the main switch GMSC to the home location register HLR. The check message includes the telephone number of the mobile unit B, the authority word and the prefix of the service to be inspected.
- The authority word is checked by comparing the word with an authority word known by the home location register (HLR) , this word being connected with the telephone number of the mobile unit. - The check carried out in the home location register HLR results in the acceptance of the authority word received from the telephone unit Al.
- A status message 50 is sent from the home location register HLR to the main switch GMSC. The status message informs the main switch GMSC of the content of the call transfer service SI.
- The status message 50 arriving at the main switch GMSC is analyzed in the main switch and converted to a message form suitable for prompt signalling.
- A second prompt message 51 is sent to the telephone unit Al from the speech machine AM in the main switch GMSC. The spoken message has the following wording: "The call transfer service is activated - The call transfer is ordered to subscriber number 08836889".
Figure 6 is a flowsheet describing the aforesaid method. The flowsheet illustrates the most essential steps in the concept behind the invention. The abbreviations in the text in the Figure have been explained above. The text presented in parenthesis in the Figure refers either to the messages that are sent between different units in the telecommunications system or to a unit in the telecommunications system in which a procedure is carried out. The method is carried out in accordance with Figure 3 and in accordance with the following description:
- The connection 41 is set-up between the telephone unit Al and the main switch GMSC, in accordance with block 201.
- Conformation 42 of the connection set-up is sent from the main switch GMSC to the local exchange LE, in accordance with block 202.
- The first prompt message 43 is sent from the main switch GMSC to the telephone unit Al, in accordance with block 203. The user of the telephone unit Al is herewith requested to state the telephone number of a mobile unit B, an authority word and the service to be inspected.
- The telephone number of the mobile B, the authority word and the inspection request are sent from the telephone unit Al to the main switch GMSC through the medium of the tone message 44, in accordance with block 204. - The telephone number of the mobile B, the authority word and the inspection request are forwarded by sending a check message 45 from the main switch GMSC to the home location register HLR, in accordance with block 205. - The authority word is checked in the home register HLR, in accordance with block 206.
- Subsequent to this check, the authority word is accepted in accordance with block 207.
The main switch GMSC is informed of the content of the service, by sending the status message 50 from the home register HLR to the main switch GMSC, in accordance with block 208.
- The second prompt message 51 is sent from the main switch GMSC to the telephone unit Al, in accordance with block 209. The user is herewith informed of the content of the service.
It has been assumed in the aforedescribed embodiments that the user has always given the correct authority word, the correct telephone number to the mobile unit B and has pressed the buttons correctly in the message sequence. When this is not the case, the user is permitted to make a number of further attempts, whereafter the procedure is broken-off. The procedure relating to error handling is considered to be a well-known technique and need not therefore be described in detail here. When the wrong number of buttons are pressed, this can be detected in the main switch, for instance, which then sends a prompt message with the words "try again". When a wrong authority word or a wrongmobile unit telephone number is given, this is detected in the home location register HLR which then sends a conventional error message to the main switch GMSC. The main switch herewith sends a prompt message with the words: "try again". After the third attempt, for instance, the main switch sends a prompt message with the words: "The procedure has been discontinued", whereafter the connection is released. Figure 7 illustrates an inventive so-called handling arrange¬ ment 499. The handling arrangement 499 is used to execute the procedures earlier described with reference to the embodi¬ ments, i.e. handling or inspecting supplementary services SS from any chosen telephone unit. The-arrangement includes a main switch GMSC which incorporates a conversion unit 500 which is connected to the telephone unit Al and a home location register HLR. The conversion unit 500 is used to convert and distribute signals to and from the telephone unit Al and the home location register HLR, and includes a speech machine AM for transmitting spoken messages to the telephone unit Al. The conversion unit 500 also includes a tone receiver TM which receives the tone messages from the telephone unit Al. The arrangement 499 also includes a map transmitter MS and a map receiver MM by means of which messages can be sent from the main switch GMSC to the home location register HLR, and vice versa, through the medium of a so-called MPA interface. The conversion unit 500 also includes a so-called analysis unit AE in which signals from one of the different units AM, TM, MS and MM are analyzed and converted for transmission to another of the various unit AM, TM, MS and MM. The messages sent by the conversion unit 500 are the same as those descri¬ bed in the earlier embodiments with reference to Figures 2, 4 and 5, among others. The handling arrangement 499 also includes a check unit KE in the home location register HLR and a handling unit HE.
The most essential components of the arrangement 499 for performing the method steps earlier described with reference to Figure 2 will now be explained. When the authority word and the mobile unit subscriber number belonging to the authority word have arrived at the check unit KE via the conversion unit 500, the word is compared with an authority word stored in the check unit KE in a memory site intended for the mobile unit B. After having ascertained the authority of a user of the telephone unit Al, notice of the authority is sent via the conversion unit 500 to the telephone unit Al, as earlier described in the embodiment. The conversion unit 500 then sends a supplementary service handling request from the telephone unit Al to the handling unit HE. The handling unit HE changes the parameters that have been specified in the aforesaid request for handling of the supplementary service SI in a memory unit M. Notice that the handling has been carried out and is then sent by the conversion unit 500 to the telephone unit Al.
The various examples of methods and arrangements described above are not restricted to any particular configuration of a telecommunications system. As before mentioned, the method is not suitable solely for PDC-type mobile telephone networks. The method may also be applied to other types of networks, for instance GSM or ADC networks, and with mobile telephone networks having a configuration similar to the aforesaid. The invention can also be applied in networks which have satel¬ lite-type base stations. Neither is it necessary for the networks to be provided with speech transmission facilities in order for the invention to be applied. The invention can also be applied in data or image transmission systems, for instance. Remote control of a service can be effected not only from a fixedly connected telephone unit or a mobile unit, as in the case of the described embodiment, but also from a data terminal that has access to a telephone network, for instance. When an order is made from a mobile unit, it is not necessary for this unit to be located in or to belong to the same network or even the same type of network as the mobile unit to which the services belong.
As earliermentioned, the aforedescribedmethods maybevaried and modified. For instance, instead of spoken messages, the prompt messages may include messages which generate text on a user display. For instance, the tone messages may include light pulses instead of the aforesaid tones of different frequencies. Neither is it necessary for the mobile unit telephone number to be stated by the user in the first tone message. It is also conceivable to state the pin-code or some other type of identification. The authority word can be checked already in the telephone unit used by the user to remote control the service. This can take place, for instance, after the user has stated his/her authority by inserting an authorization card in the telephone unit. In this case, the telephone unit is assumed to be equipped with a card reader and with the necessary equipment for carrying out the aut¬ hority check.
In other words, the invention is not restricted to the aforedescribedand illustratedexemplifyingembodiments since modifications can be made within the scope of the following Claims.

Claims

1. A method relating to a telecommunications system for handling supplementary services (SS) for a mobile unit (B) , wherein the system includes a public land mobile network (PLMN) to which the mobile unit has subscribed and which includes a main switch (GMSC) to which there is connected a home location register (HLR) inwhich themobile unit services (SS) are stored, said method comprising the steps of sending an authority word belonging to the mobile unit (B) and the identification of the mobile unit to the home location register (HLR) from a telephone unit (Al; A2) in the telecommunications systemvia a telephone connection (1; 101) intended for handling services (SS) ; checking the authority word by comparing said word with an authority word known to the home location register (HLR) ; accepting the authority word received from the telephone unit; sending a specification of the handling of a service (SI) from the telephone unit (Al, A2) to the home location register (HLR) ; and performing the specified handling of the service (SI) .
2. A method relating to a telecommunications system according to Claim 1, comprising sending from the home location register (HLR) to the telephone unit (Al; A2) an authority message which indicates that the authority word has been accepted.
3. A method relating to a telecommunications system according to Claim 1 or 2, comprising setting-up the connection (1) between the telephone unit (Al, A2) and the main switch (GMSC) ; and sending from the main switch (GMSC) to the telephone unit (Al; A2) a first prompt message (3) which indicates that the main switch is prepared to receive the authority word and the identification of the mobile unit (B) .
4. A method relating to a telecommunications system according to Claim 1, 2 or 3, in which transmission of the authority word and the identification of the mobile unit (B) comprises sending from the telephone unit (Al; A2) to the main switch (GMSC) a first tone message (4) which includes the authority word and the mobile unit identification; and - sending from the main switch (GMSC) to the home location register (HLR) a check message (5) which includes the autho¬ rity word and the mobile unit identification.
5. A method relating to a telecommunications system according to Claim 2, 3 or 4, in which transmission of the authority message includes sending fromthe home location register (HLR) to themain switch (GMSC) an accept message (6) which indicates that a user of the telephone unit has authority; and - sending from the main switch (GMSC) to the telephone unit (Al; A2) a second prompt message (7) which indicates that the main switch is prepared to receive a service handling speci¬ fication.
6. A method relating to a telecommunications system according to Claim 1, 2, 3, 4 or 5, in which transmission of a service handling specification includes sending from the telephone unit (Al; A2) to the main switch (GMSC) a second tone message (8) which includes the requested handling of the service (SI) ; and sending from the main switch (GMSC) to the home location register (HLR) a procedure message (9) which includes a service handling specification.
7. A method relating to a telecommunications system according to Claim 1, 2, 3, 4, 5 or 6, in which the method comprises the further steps of sending from the home location register (HLR) to the main switch (GMSC) a status message (10.) which indicates that handling of the service (SI) has been implemented; and sending from the main switch (GMSC) to the telephone unit (Al; A2) a third prompt message (11) which informs a user of the telephone unit that handling of the service (SI) has been implemented.
8. A method relating to a telecommunications system according to Claim 2, 3, 4, 5, 6 or 7, in which the system includes a public switched telephone network (PSTN) which includes a local exchange (LE) to which the telephone unit (Al) is connected and in which transmission of the first prompt message (3) comprises the step of sending from the main switch (GMSC) to the local exchange -LE) a confirmation (2) stating that the connection (1) has been established.
9. A method relating to a telecommunications system according to Claim 2, 3, 4, 5, 6 or 7, in which the public land mobile network (PLMN) includes a mobile services switching centre (MSCA) to which the telephone unit (A2) is connected, and in which transmission of the first prompt message (3) comprises
- sending from the main switch (GMSC) to the mobile services switching centre (MSCA) a confirmation which states that the connection (1) has been established.
10. A method relating to a telecommunications system according to Claim 1 or 2, comprising
- setting-up the connection (101) between the telephone unit (Al, A2) and the home location register (HLR) ; sending a reception request (103) which orders the main switch (GMSC) to send a first prompt message (3) to the telephone unit (Al, A2) ; and sending from the main switch (GMSC) to the telephone unit (Al; A2) a first prompt message (3) which indicates that the main switch is prepared to receive the authority word and the identification of the mobile unit (B) .
11. A method relating to a telecommunications system according to Claim 1, 2 or 10, in which transmission of the authority word and the mobile unit identification includes sending from the telephone unit (Al; A2) to the main switch (GMSC) a first tone message (4) which includes the authority word and the mobile unit identification; and sending from the main switch (GMSC) to the home location register (HLR) a check message (5) which includes the aut¬ hority word and the mobile unit identification.
12. A method relating to a telecommunications system according to Claim 2, 10 or 11, in which transmission of the authority message comprises - sending from the home location register (HLR) to the main switch (GMSC) an acceptance message (106) which commands, the main switch (GMSC) to send a second prompt message (7) to the telephone unit (Al, A2) ; and sending from the main switch (GMSC) to the telephone unit (Al; A2) said second prompt message (7), which indicates that the main switch is prepared to receive a service handling specification.
13. A method relating to a telecommunications system according to Claim 1, 2, 10, 11 or 12, in which the transmis- sion of a service handling specification (SS) comprises sending from the telephone unit (Al; A2) to the main switch (GMSC) a second tone message (8) which includes the handling of the service (SI) requested; and sending from the main switch (GMSC) to the home location register (HLR) a procedure message (9) which includes a service handling specification.
14. A method relating to a telecommunications system according to Claim 1, 2, 10, 11, 12 or 13, comprising the further steps of sending from the home location register (HLR) to the main switch (GMSC) a status message (110) which commands the main switch to send a third prompt message (11) to the telephone unit (Al, A2) ; and sending from the main switch (GMSC) to the telephone unit (Al; A2) said third prompt message (11) , through which a user of the telephone unit is informed that handling of the service (SI) has been implemented.
15. A method relating to a telecommunications system according to Claim 10, 11, 12, 13 or 14, wherein said system includes a public switched telephone network (PSTN) having a local exchange (LE) to which the telephone unit (Al) is connected, and wherein transmission of the first prompt message (3) comprises sending from the main switch (GMSC) to the local exchange (LE) a confirmation (2) which confirms that the connection (101) has been established.
16. A method relating to a telecommunications system according to Claim 10, 11, 12, 13 or 14, in which the public land mobile network (PLMN) includes a mobile services swi¬ tching centre (MSCA) to which the telephone unit (A2) is connected, and wherein transmission of the first prompt message (3) comprises - sending from the main switch (GMSC) to the mobile services switching centre (MSCA) a confirmation confirming that the connection (101) has been established.
17. A method relating to a telecommunications system for handling supplementary services (SS) for a mobile unit (B) , wherein the telecommunications system includes a public land mobile network (PLMN) to which the mobile unit subscribes, and wherein the mobile telephone network includes a main switch (GMSC) to which a home location register (HLR) is connected and in which register (HLR) the mobile unit services (SS) are stored, said method comprising the steps of sending from a telephone unit (Al; A2) in the teleσommu- nications system to the home location register (HLR) an authority word belonging to the mobile unit (B) and the identification of said mobile unit (B) , wherein the authority word and the identification are sent through a check message (5) , that part of the transmission which extends from the main switch (GMSC) to the home location register (HLR) ; checking the authority word by comparing said word with an authority word known by the home location register (HLR) ;
- accepting the authorityword received from the telephone unit (Al; A2) ; - sending from the home location register (HLR) to the telephone unit (Al; A2) an authoritymessage which includes an accept message (6) from the home location register (HLR) to the main switch (GMSC) to the effect that a user of the telephone unit is authorized; - sending a service handling specification from the telephone unit (Al, A2) to the home location register (HLR), said specification being sent through a procedure message (9) from the main switch (GMSC) to the home location register (HLR) ; - executing the specified handling of the service (SI) ; and
- sending from the home location register (HLR) to themain switch (GMSC) a status message (10) which confirms that handling of the service (SI) has been implemented.
18. A method relating to a telecommunications system for handling supplementary services (SS) for a mobile unit (B) , wherein the telecommunications system includes a public land mobile network (PLMN) to which the mobile unit has subscribed, and which mobile telephone network includes a main switch (GMSC) which has connected thereto a home location register (HLR) in which the mobile unit services (SS) are stored and wherein the method comprises the steps of sending an authority word belonging to the mobile unit (B) and the identification of said mobile unit (B) from a telephone unit (Al; A2) in the telecommunications system to the home location register (HLR) , wherein the authority word and the identification are sent through a check message (5) , the part of the transmission extending from the main switch (GMSC) to the home location register (HLR) ; checking the authority word by comparing said word with an authority word known by the home location register (HLR) ; accepting the authority word received from the telephone unit (Al; A2) ; sending from the home location register (HLR) to the telephone unit (Al; A2) an authority messagewhich includes an accept message (106) from the home location register (HLR) to the main switch (GMSC) , said accept message commanding the main switch (GMSC) to send to the telephone unit (Al; A2) a second prompt message (7) indicating that the authority word has been accepted; - sending a service handling specification from the telephone unit (Al, A2) to the home location register (HLR) , said specification being sent through a procedure message (9) from the main switch (GMSC) to the home location register (HLR) ; - executing the specifiedhandling of the service (SI) ; and sending fromthe home location register (HLR) to the main switch (GMSC) a status message (110) which commands the main switch to send to the telephone unit (Al; A2) a third prompt message (11) confirming that handling of the service (SI) has been implemented.
19. A method relating to a telecommunications system for handling supplementary services (SS) for a mobile unit (B) , wherein the telecommunications system includes a public land mobile network (PLMN) towhich the mobile unit has subscribed, and which mobile telephone network includes a main switch (GMSC) to which there is connected a home location register (HLR) in which the mobile unit services (SS) are stored, wherein the method comprises the steps of setting-up a connection (1) between the telephone unit (Al; A2) and the main switch (GMSC) ; sending from the main switch (GMSC) to the local exchange (LE) a confirmation (2) confirming that the connection (1) has been established; sending fromthemain switch (GMSC) to the telephone unit (Al; A2) a first prompt message (3) which indicates that the main switch is prepared to receive the authority word and the identification of the mobile unit (B) ; sending from the telephone unit (Al; A2) to the main switch (GMSC) a first tone message (4) which includes the authority word and the mobile unit identification; sending from the main switch (GMSC) to the home location register (HLR) a check message (5) which includes the autho¬ rity word and the mobile unit identification; checking the authority word by comparing said word with an authority word known by the home location register (HLR) ; accepting the authority word received from the telephone unit (Al; A2) ; sending fromthe home location register (HLR) to themain switch (GMSC) an acceptance message (6) which informs the main switch (GMSC) that a user of the telephone unit is authorized; sending fromthe main switch (GMSC) to the telephone unit (Al; A2) a second prompt message (7) which indicates that the main switch is prepared to receive a service handling speci¬ fication; sending from the telephone unit (Al; A2) to the main switch (GMSC) a second tone message (8) which includes the requested handling of the service (SI) ; sending from the main switch (GMSC) to the home location register (HLR) a procedure message (9) which includes a service (SI) handling specification; executing the specified handling of the service (SI) ; sending from the home location register (HLR) to the main switch (GMSC) a status message (10) which informs the main switch (GMSC) that handling of the service (SI) has been implemented; and sending from the main switch (GMSC) to the telephone unit (Al; A2) a third prompt message (11) through which a user of the telephone unit obtains notice that handling of the service (SI) has been implemented.
20. A method relating to a telecommunications system for handling supplementary services (SS) for a mobile unit (B) , wherein the telecommunications system includes a public land mobile network (PLMN) to which the mobile unit has subscribed, and wherein the mobile telephone network includes a main switch (GMSC) to which there is connected a home location register (HLR) in which the mobile unit services (SS) are stored in the register (HLR) , wherein the method comprises the steps of - setting-up a connection (101) between the telephone unit (Al, A2) and the home location register (HLR) via the main switch (GMSC) ; sending from the main switch (GMSC) to the mobile services switching centre (MSCA) a confirmation confirming that the connection (101) has been established; sending a reception request (103) whichcommands themain switch (GMSC) to send a first prompt message (3) to the telephone unit (Al, A2) ; sending from the main switch (GMSC) to the telephone unit (Al; A2) a first prompt message (3) which indicates that the main switch is prepared to receive the authority word and the mobile unit identification; sending from the telephone unit (Al; A2) to the main switch (GMSC) a first tone message (4) which includes the authority word and the mobile unit identification; sending from the main witch (GMSC) to the home location register (HLR) a check message (5) which includes the autho¬ rity word and the mobile unit (B) identification; checking the authority word by comparing said word with an authority word known by the home location register (HLR) ; accepting the authority word received from the telephone unit (Al; A2) ; sending from the home location register (HLR) to the main switch (GMSC) an accept message (106) which commands the main switch (GMSC) to send a second prompt message (7) to the telephone unit (Al, A2) ; sending fromthemain switch (GMSC) to the telephone unit (Al; A2) the second prompt message (7) which indicates that the main switch is prepared to receive a service handling specification; sending from the telephone unit (Al; A2) to the main switch (GMSC) a second tone message (8) which includes the service (SI) handling requested; sending from the main switch (GMSC) to the home location register (HLR) a procedure message (9) which includes a service handling (SI) specification; executing the specified handling of the service (SI) ; sending from the home location register (HLR) to themain switch (GMSC) a status message (110) which commands the main switch to send a third prompt message (11) to the telephone unit (Al, A2); and sending from the main switch (GMSC) to the telephone unit (Al; A2) the third prompt message (11) through which a user of the telephone unit obtains notice that handling of the service (SI) has been implemented.
21. A method relating to a telecommunications system for inspecting supplementary services (SS) for a mobile unit (B) , wherein the telecommunications system includes a public land mobile network (PIMN) to which the mobile unit has subscribed, and wherein the mobile telephone network includes a main switch (GMSC) to which there is connected a home location register (HLR) in which the mobile unit services (SS) are stored, wherein the method comprises the steps of sending an authority wordwhich belong to themobile unit (B) and the identification of the mobile unit from a telephone unit (Al; A2) in the telecommunications system to the home location register (HLR) via a telephone connection (1; 101) intended for the inspection of services (SS) ; checking the authority word by comparing said word with an authority word known by the home location register (HLR) ; accepting the authorityword received from the telephone unit; sending from the home location register (HLR) to the telephone unit (Al; A2) an authority message which indicates that the authority word has been accepted; sending a request for information about a service (SI) from the telephone unit (Al, A2) to the home location register (HLR) ; and sending from the home location register (HLR) to the telephone unit (Al; A2) an inspection message which contains service relating information.
22. A method relating to a telecommunications system for inspecting mobile unit supplementary services (SS) , wherein the telecommunications system includes a public land mobile network (PLMN) to which the mobile unit has subscribed, and wherein the mobile telephone network includes a main switch (GMSC) having connected thereto a home location register (HLR) which has the mobile unit services (SS) stored therein, and wherein the method comprises the steps of sending an authority word belonging to the mobile unit (B) and the identification of said mobile unit (B) from a telephone unit (Al; A2) in the telecommunications system to the home location register (HLR) , wherein the authority word and the mobile unit identification are sent through a check message (5) , the part of the transmission that extends from the main switch (GMSC) to the home location register (HLR) ; checking the authority word by comparing said word with an authority word known by the home location register (HLR) ; - accepting the authority word received from the telephone unit (Al; A2) ; sending from the home location register (HLR) to the telephone unit (Al; A2) an authority message which includes an accept message (6) from the home location register (HLR) to the main switch (GMSC) to the effect that a user of the telephone unit is authorized;
- sending a service inspection specification from the telephone unit (Al, A2) to the home location register (HLR) , said specification being sent through a procedure message (9) sent from the main switch (GMSC) to the home location register (HLR) ; and
- sending a service information status message from the home location register (HLR) to the main switch (GMSC) .
23. A method relating to a telecommunications system for inspecting supplementary services (SS) for a mobile unit (B) , wherein the telecommunications system includes a public land mobile network (PLMN) towhich themobileunit has subscribed, and wherein the mobile telephone network includes a main switch (GMSC) having connected thereto a home location register (HLR) in which the mobile unit services (SS) are stored, and wherein the method comprises the steps of sending an authority word which belongs to the mobile unit (B) and the identification of the mobile unit (B) from a telephone unit (Al; A2) in the telecommunications system to the home location register (HLR) , wherein the authority word and the mobile unit identification are sent through a check message (5) , the part of the transmission there extends from the main switch (GMSC) to the home location register (HLR) ; checking the authority word by comparing said word with an authority word known by the home location register (HLR) ; accepting the authorityword received from the telephone unit (Al; A2) ; sending from the home location register (HLR) to the telephone unit (Al; A2) an authoritymessage which includes an accept message (106) from the home location register (HLR) to the main switch (GMSC) , said accept message commanding the main switch (GMSC) to send to the telephone unit (Al; A2) a second prompt message (7) which indicates acceptance of the authority word; - sending a service inspection specification from the telephone unit (Al, A2) to the home location register (HLR), said specification being sent through a procedure message (9) from the main switch (GMSC) to the home location register (HLR) ; and - sending from the home location register (HLR) to the main switch (GMSC) a status message (10) which commands the main switch to send to the telephone unit (Al; A2) a third prompt message (11) informing of the service (SI) .
24. A method relating to a telecommunications system for inspecting mobile unit supplementary services (SS) , wherein the telecommunications system includes a public land mobile network (PLMN) to which the mobile unit has subscribed, and wherein the mobile telephone network includes a main switch (GMSC) having connectedthereto ahome location register (HLR) in which the mobile unit services (SS) are stored, and wherein the method comprises the steps of setting-up a connection (1) between the telephone unit (Al; A2) and the main switch (GMSC) ; sending from the main switch (GMSC) to the local exchange (LE) a confirmation (2) confirming that the connection (1) has been established; sending fromthemain switch (GMSC) to the telephoneunit (Al; A2) a first prompt message (3) which indicates that the main switch is prepared to receive the authority word and the identification of the mobile unit (B) ; sending from the telephone unit (Al; A2) to the main switch (GMSC) a first tone message (4) which includes the authority word and the mobile unit identification; sending from the main switch (GMSC) to the home location register (HLR) a check message (5) which includes the autho¬ rity word and the mobile unit identification; checking the authority word by comparing said word with an authority word known by the home location register (HLR) ; accepting the authority word received from the telephone unit (Al; A2) ; sending from the home location register (HLR) to themain switch (GMSC) an accept message (6) which informs the main switch (GMSC) that a user of the telephone unit is authorized; sending from the main switch (GMSC) to the telephone unit
(Al; A2) a second prompt message (7) which indicates that the main switch is prepared to receive a service inspection specification; - sending from the telephone unit (Al; A2) to the main switch (GMSC) a second tone message (8) which includes the request for inspection of the service (SI) ;
- sending from the main switch (GMSC) to the home location register (HLR) a procedure message (9) which includes a specification of inspection of the service (SI) ; sending fromthe home location register (HLR) to the main switch (GMSC) a service (SI) information status message (10) ; and
- sending from the main switch (GMSC) to the telephone unit (Al; A2) a third prompt message (11) which informs a user of the telephone unit about the service (SI) .
25. A method relating to a telecommunications system for inspecting mobile unit supplementary services (SS) , wherein the telecommunications system includes a public land mobile network (PLMN) to which the mobile unit has subscribed, and wherein the mobile telephone network includes a main switch (GMSC) having connected thereto ahome location register (HLR) in which the mobile unit services (SS) are stored, and wherein the method comprises the steps of setting-up a connection (101) between the telephone unit (Al, A2) and the home location register (HLR) ; sending from the main switch (GMSC) to the mobile services switching centre (MSCA) a confirmation confirming that the connection (1) has been established; sending a reception request (103) which commands themain switch (GMSC) to send a first prompt message (3) to the telephone unit (Al, A2) ; sending from themain switch (GMSC) to the telephone unit (Al; A2) a first prompt message (3) which indicates that the main switch is prepared to receive the authority word and the identification of the mobile unit (B) ;
- sending from the telephone unit (Al; A2) to the main switch (GMSC) a first tone message (4) which includes the authority word and the mobile unit identification; sending from the main switch (GMSC) to the home location register (HLR) a check message (5) which includes the autho¬ rity word and the mobile unit identification; checking the authority word by comparing said word with an authority word known by the home location register (HLR) ; accepting the authority word received from the telephone unit (Al; A2) ;
- sending from the home location register (HLR) to themain switch (GMSC) an accept message (106) which commands the main switch (GMSC) to send a second prompt message (7) to the telephone unit (Al, A2) ; - sending fromthemain switch (GMSC) to the telephone unit (Al; A2) the second prompt message (7), which indicates that the main switch is prepared to receive a service inspection specification; sending from the telephone unit (Al; A2) to the main switch (GMSC) a second tone message (8) which includes the request for inspection of the service (SI) ; sending from the main switch (GMSC) to the home location register (HLR) a procedure message (9) which includes a specification of inspection of the service (SI) ; sending from the home location register (HLR) to the main switch (GMSC) a status message (110) which commands the main switch to send a third prompt message (11) to the telephone unit (Al, A2); and sending from the main switch (GMSC) to the telephone unit (Al; A2) the third prompt message (11) through which a user of the telephoneunit obtains information relating to the service (SI).
26. A method relating to a telecommunications system according to Claim 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 19, 20, 24 or 25, wherein the main switch (GMSC) includes a speech machine (AM) and wherein the prompt messages (3, 7, 11) include spoken messages delivered by the speech machine (AM).
27. A method relating to a telecommunications system according to Claim 4, 5, 6, 7, 8, 9, 11, 12, 13, 14, 15, 16, 19, 20, 24 or 25, wherein the first prompt message (3) is divided into at least two subprompt messages and wherein the first tone message (4) is divided into at least two subtone messages, and wherein the subprompt messages and subtone messages are sent alternately between the main switch (GMSC) and the telephone unit (Al, A2) so as to generate a dialogue between a user of the telephone unit (Al, A2) and the main switch (GMSC) , wherein the user is stepwise commanded to send the authority word and the mobile unit identification to the main switch (GMSC) .
28. A method relating to a telecommunications system according to Claim 6, 7, 8, 13, 14, 15, 16, 19, 20, 24 or 25, wherein the second prompt message (7) is divided into at least two subprompt messages, and wherein the second tone message (8) is divided into at least two subtone messages, and wherein the subprompt messages and the subtone messages are sent alternately between the main switch (GMSC) and the telephone unit (Al, A2) so as to generate a dialogue between a user of the telephone unit (Al, A2) and the main switch (GMSC), wherein the user is stepwise commanded to specify the handling of the service.
29. A method relating to a telecommunications system for handling supplementary services (SS) for a mobile unit (B) , wherein the telecommunications system includes a public land mobile network (PLMN) to which the mobile unit has subscribed, and wherein the mobile telephone network includes a main switch (GMSC) having connected thereto a home location register (HLR) in which the mobile unit services (SS) are stored, and wherein the method comprises the steps of - conveying to a telephone unit (Al; A2) an authority word which belong to the mobile unit (B) ; checking the authorityword by comparing said word in the telephone unit (Al; A2) with an authority word known by the telephone unit (Al; A2) ; - accepting the authority word conveyed to the telephone unit; sending themobileunit identification and a service (SI) handling specification fromthe telephone unit (Al; A2) in the telecommunications system to the home location register (HLR) via a telephone connection (1; 101) intended for handling services; and executing the specified handling of the service (SI) .
30. An arrangement (499) in a telecommunications system for handling supplementary services (SS) for a mobile unit (B) , wherein the telecommunications system includes a public land mobile network (PLMN) to which the mobile unit has subscribed, and wherein the mobile telephone network includes a main switch (GMSC) having connected thereto a home location register (HLR) in which the services. (SS) of the mobile unit (B) are stored, and wherein the arrangement (499) includes in the main switch (GMSC) a conversion unit (500) with which an authority word belonging to the mobile unit (B) , the iden¬ tification of the mobile unit (B) and a service (SS) handling request can be transmitted from a telephone unit (Al; A2) in the telecommunications system to the home location register (HLR) , by means of which the conversion unit (500) confirma¬ tion of authorization and confirmation of service handling can be transmitted from the home location register (HLR) to the telephone unit (Al; A2) , and in that the arrangement also includes a checking unit (KE) by means of which the authority word can be checked, and in that said arrangement (499) also includes a service handling unit (HE) .
31. An arrangement according to Claim 30, wherein the conversion unit (500) includes a transmitter unit (AM) by means of which the messages can be sent to the telephone unit (Al) and which includes a receiver unit (TM) by means of which signals can be received from the telephone unit (Al) , a so- called map receiver (MM) by means of which signals can be received from the memory unit (ME) , a so-called map transmit¬ ter (MS) by means of which signals can be sent to the memory unit (ME) , wherein the arrangement also includes an analyzer (AE) in which signals from the receiver unit (TM) are analyzed and forwarded to the map transmitter (MS) and in which analyzer (AE) signals from the map receiver (MM) are analyzed and forwarded to the transmitter unit (AM) .
PCT/SE1995/000090 1994-02-01 1995-01-31 A method and an arrangement of handling and inspecting supplementary services intended for a mobile telephone unit WO1995021509A1 (en)

Priority Applications (5)

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EP95909169A EP0707777A1 (en) 1994-02-01 1995-01-31 A method and an arrangement of handling and inspecting supplementary services intended for a mobile telephone unit
JP52054295A JP3394779B2 (en) 1994-02-01 1995-01-31 Method and arrangement for processing and checking ancillary services intended for mobile telephone units
US08/530,161 US5781858A (en) 1994-02-01 1995-01-31 Method and arrangement for handling and inspecting supplemetary services intended for a mobile telephone unit
AU17221/95A AU680347B2 (en) 1994-02-01 1995-01-31 A method and an arrangement of handling and inspecting supplementary services intended for a mobile telephone unit
FI954613A FI954613A (en) 1994-02-01 1995-09-28 Procedure and arrangement for handling and inspecting additional services intended for a mobile station

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SE9400313A SE518690C2 (en) 1994-02-01 1994-02-01 Method and apparatus of a telecommunications system

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JP (1) JP3394779B2 (en)
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AU (1) AU680347B2 (en)
FI (1) FI954613A (en)
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FI954613A0 (en) 1995-09-28
AU680347B2 (en) 1997-07-24
EP0707777A1 (en) 1996-04-24
US5781858A (en) 1998-07-14
JP3394779B2 (en) 2003-04-07
SE518690C2 (en) 2002-11-05
AU1722195A (en) 1995-08-21
SE9400313L (en) 1995-08-02
FI954613A (en) 1995-09-28
CN1123078A (en) 1996-05-22
JPH08508869A (en) 1996-09-17

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