CN1183880A - Mobile radio system with translation of BCIE - Google Patents
Mobile radio system with translation of BCIE Download PDFInfo
- Publication number
- CN1183880A CN1183880A CN96193718A CN96193718A CN1183880A CN 1183880 A CN1183880 A CN 1183880A CN 96193718 A CN96193718 A CN 96193718A CN 96193718 A CN96193718 A CN 96193718A CN 1183880 A CN1183880 A CN 1183880A
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- network
- information element
- capability information
- bearer capability
- request
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/18—Selecting a network or a communication service
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/42—Systems providing special services or facilities to subscribers
- H04M3/4228—Systems providing special services or facilities to subscribers in networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/0016—Arrangements providing connection between exchanges
- H04Q3/0029—Provisions for intelligent networking
- H04Q3/005—Personal communication services, e.g. provisions for portability of subscriber numbers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
- H04Q2213/13098—Mobile subscriber
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
- H04Q2213/13103—Memory
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
- H04Q2213/13109—Initializing, personal profile
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
- H04Q2213/13204—Protocols
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
- H04Q2213/13345—Intelligent networks, SCP
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
- H04Q2213/13513—UPT - personal as opposed to terminal mobility, inc. number portability
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
- H04Q2213/13527—Indexing scheme relating to selecting arrangements in general and for multiplex systems protocols - X.25, TCAP etc.
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
- H04Q2213/13532—Indexing scheme relating to selecting arrangements in general and for multiplex systems mobile networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
- H04Q2213/13534—Internet - WWW, HTML, browsers etc.
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
- H04Q2213/13547—Indexing scheme relating to selecting arrangements in general and for multiplex systems subscriber, e.g. profile, database, database access
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/02—Processing of mobility data, e.g. registration information at HLR [Home Location Register] or VLR [Visitor Location Register]; Transfer of mobility data, e.g. between HLR, VLR or external networks
- H04W8/04—Registration at HLR or HSS [Home Subscriber Server]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/18—Processing of user or subscriber data, e.g. subscribed services, user preferences or user profiles; Transfer of user or subscriber data
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/16—Gateway arrangements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W92/00—Interfaces specially adapted for wireless communication networks
- H04W92/02—Inter-networking arrangements
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
A method allowing a public land mobile network containing at least one mobile services switching center to offer a direct or dedicated data service to a public or private wide area and local area network (WAN and LAN), wherein the PLMN network is capable of using different information transfer capabilities to support the services. A communication request from a mobile station is received wherein the request contains condition parameters set in the mobile station. The received condition parameters are then modified so as to correspond to specified configurations of the network. The communication request is then routed using the modified parameters.
Description
FIELD OF THE INVENTION
This invention is related to the method that direct access service is set up data call, particularly sets up this type of professional method under the condition of ignoring information transfer capability parameter.
The background of invention:
One of problem of cellular communication system operator major concern is: in order to make mobile data services in viable commercial, the user must think that they are easy to use.At present, in order for example to carry out the calling of a mobile originating in global system for mobile communications (GSM), the mobile data user must have the understanding of higher degree comparatively speaking to some parameters.At first, the user need know callee's data circuit equipment, promptly is modulator-demodulator or terminal adapter, and how many its baud rates is or the like.Secondly, the user also needs to know some knowledge of calling network route device, i.e. public switch telephone network (PSTN), ISDN(Integrated Service Digital Network) (ISDN), dialing packet assembly and disassembly device (PAD), bridge/router or the like.At last, also need to know callee's data-application, and whether these application programs require specific method for building up by Public Land Mobile Nerwork (PLMN) time.In order to make the user be more convenient for using bearer service in the cellular system, operator and service provider thereof need take effective measures call setup and the automation as far as possible of network insertion process that guarantees the user.
A basic application of cellular data business is that dialing inserts company's packet switched data network.This can enter network by a public or special-purpose gateway, and may need to pass the route of PSTN or ISDN.In Britain, the honeycomb operator provides a business on their simulation TACS network, and by this business, the user can shorten the dialing sign indicating number, directly enters packet switched public data network (PSPDN) by PAD, and does not need to use PSTN.This business also supports a similar method to insert the data network of company's special use.A kind of similar business is provided on the GSM network that these operators are also planned at them, is called direct access.
Fig. 1 understands that for example Britain's honeycomb operator is how by disposing mobile network's infrastructure of TACS and GSM network simultaneously, and uses present Britain country signaling standard to support a specific implementation of direct access service.As shown in Figure 1, TACS network 12 and GSM network 14 boths are connected on the adapter 18.Adapter 18 is connected to an ISDN private branch exchange (PBX), receives on the modulator-demodulator 22 by analog line LF then.Mutually transmit data between modulator-demodulator 22 and the packet assembly and disassembly device (PAD) 24, be connected on special-purpose public data network (PND) 26 and the public PSPDN28 by PAD again.From the angle of GSM, this business can be described to the mixing of the special-purpose PAD business of fundamental sum.The user can be the client of PLMN and PDN simultaneously, but network insertion PAD only passes through the network configuration of GSM operator.The border of PLMN and PDN network interconnection is the V24 interface.
In order directly to insert the calling of PAD from the GSM network, need be by being included in route and the business information that callee's binary-coded decimal in " set up and call out " information and bearer capability information element (BCIE) are provided to network.Use mode shown in Figure 1, the mobile subscriber can pull out and make a shortening sign indicating number provide one " B number " to MSC, is used to seek the route of required PAD, creates suitable BCIE simultaneously on travelling carriage, be used for setting up correct network interworking function, i.e. speed, word length, modem type or the like.
If PLMN administrative department has carried out any change or enhancing to direct access service, promptly changed network configuration, then the detail of these changes need oppositely send back service-user, because at this moment may need the BCIE and/or the B number that provide different.For example, a business shown in Figure 1 inserts data network based on modulator-demodulator, and GSM and TACS network can insert this data network.Therefore the GSM network is in order to provide correct IWF, and required most important parameter should be the correct selection to modem type.If network configuration has changed, use different modem types, then travelling carriage is necessary for different BCIE of modem type establishment of this new selection.
Shown in Figure 2 is the direct access service that only passes through GSM.In Fig. 2, GME20 is connected to a GSM interworking unit GIWU32.GIWU unit 32 has several major functions: as modulator-demodulator and/or facsimile adapter unit pond; Carry out rate adapted; And protocol processes and conversion.Modem type will be set to default auto-baud Class1, and this makes the modulator-demodulator of GIWU unit 32 have flexibility, is easy to the baud rate of shaking hands with the modem negotiation of PAD.User's data terminal equipment DTE/MS also can pre-configured user rate, word length, position of rest, check bit sum called address.The user can set up this business by choose an icon on DTE.Therefore, for providing the correct required most important parameter of IWF should be: information transfer capability (ITC)=3.1KHz audio frequency and modem type=auto-baud Class1.This example will have great flexibility on being provided with, because the improvement of modulator-demodulator is not needed to change modem parameter in the travelling carriage.If desired, any change to the route device all will be accomplished by the new destination that the B number is translated among the mobile services switching centre MSC.In addition, the following business that provides to GSM user may be to based on the transition of unrestricted digital information (UDI) access service.As shown in Figure 3.Fig. 3 has shown how to connect GME20 MSC so that two kinds of methods to the digital interface of PAD to be provided.
In first example, CME20 MSC is connected on the adapter, and this adapter has the ability to provide ISDN " access " signaling arrangement, to insert an isdn device, and for example I series multiplexer (IMUX) or an ISDN protocol converter.This isdn device will provide by network-termination device (NTE) terminal adapter (ta) will be connected to device on the network.Terminal adapter is provided to the V24 interface of PAD.Second example shown the possible development of GIWU in the future, also may occur " special-purpose " line interface, making PAD, equipment such as MUX can directly link to each other with GIWU.
In these examples, must change three parameters among the BCIE.The result is that the mobile subscriber must change these parameters in travelling carriage, so that correctly send the IWF signal.Here also may need to use a new telephone number (shortening sign indicating number) to insert this business.But so, Public Land Mobile Nerwork must be informed in its user network and be changed, so that travelling carriage can correspondingly make a change when call setup.This will make PLMN face a quite complicated problem of management, bring confusion also may for simultaneously this professional user.Therefore, need a kind of method, make not reconfiguring of network to increase too many burden to the user.
Summary of the invention
An object of the present invention is to provide a kind of method and overcome the shortcoming of the prior art that preamble is mentioned, this method is to translate from travelling carriage to receive the BCIE parameter of coming when business or system change.One embodiment of the invention provide a kind of method, the public land mobile network that allows to comprise a mobile services switching centre at least provides direct or special data service to public or special-purpose wide area network and local area network (LAN) (WAN and LAN), PLMN network wherein has various information transfer capability, can be used for supporting these business.From the communication request that travelling carriage receives, comprise the conditional parameter that is arranged in the travelling carriage.According to the concrete configuration of network, revise the conditional parameter that these receive.Use amended parameter to set route then as communication request.
Another embodiment of the invention discloses a kind of method of call setup.Travelling carriage sends service request to cellular communications networks, and this service request comprises " callee's number " and " bearing capacity ".Network is analyzed " callee's number " after receiving this request, and with itself and a certain particular way by interrelating.After network is determined route,, and revise " bearing capacity " of sending, make it to be complementary with the route request of network from travelling carriage with specific " bearing capacity " that obtains correspondingly.Amended " bearing capacity " will send to network interworking equipment, and network interworking equipment provides suitable IWF according to the requirement of the bearer capability information that receives.Finish in case this process is set up, will continue to carry out the remainder of call establishment.
Brief description of the drawings:
Description below in conjunction with accompanying drawing will make above-mentioned and other feature perspicuousness of the present invention, and persons skilled in the art can be understood.
Fig. 1 represents to be used for special use or public packet data network are carried out the hardware device of direct access service;
Fig. 2 describes from the direct access service of the simulation of GSM;
Fig. 3 describes a kind of direct access service that is developing that is used for the UDI intercommunication;
Fig. 4 has described according to one embodiment of present invention, when call setup, translates and analyze the process of bearer capability information element;
Fig. 5 is a flow chart according to an embodiment of the invention;
Fig. 6 is a B-number analysis device according to an embodiment of the invention;
Fig. 7 is callee's a BCD information element; And
Fig. 8 is the bearer capability information element.
The specific descriptions of invention
Though be to describe the present invention at gsm system here, one of ordinary skill in the art will appreciate that the present invention also can be used for other cellular system, and not only is confined to gsm system.
Describe one embodiment of the present of invention now with reference to attached Figure 4 and 5, Here it is when call setup, translates and analyze the process of bearer capability information element.According to the present invention, a kind of standard default of travelling carriage configuration is used for providing call setup information to specific transactions to cellular communications networks.Use asking once proposition of this business, default information just is configured in mobile subscriber's the terminal equipment.If the administrative department of PLMN has changed the configuration of network, as changing information transfer capability ITC=3.1KHz audio frequency into unrestricted digital information UDI, the user needn't do any change to the BCIE parameter that is arranged in the travelling carriage, because network can receive default BCIE information.
This moment, network must guarantee that although the configuration of network changes, default information still can provide the business of being asked to the user.In order to accomplish this point, need provide a kind of translation apparatus by PLMN.The required process of translating can realize by common " B-number " or the callee's analytic process of expansion.In this process, the dialing numeral is not only indicated route, but also will cause a processing procedure, checks the bearer capability information that is sent by travelling carriage.The process of this increase will be used for a certain particular way by one group of predefine value replace some parameter, the ITC condition of called number for example.
For direct access service, in the B-of the call setup number analysis stage, MSC receive be used for directly into or during the B-number of similar business, replace the default BCIE that receives with the BCIE that comprises the predefine routing parameter.MSC correspondingly revises the suitable parameter among the BCIE that receives then, and amended BCIE is sent to system's interworking unit, so that correct intercommunication resource is inserted in the calling.
It will be apparent to one of ordinary skill in the art that the BCIE translation apparatus can provide by various devices.Possible solution can be based on adding extra software coding piece on MSC/VLR, required analytical table, logic or the like are provided.Shown in the example of Fig. 6.In this example, analyze the B-number by a B-number analysis device 60.The B-number analysis produces several pointers and is used for route analysis and charging analysis, also produce a BSR (bearer service that is used for route) pointer simultaneously, distribute a digital value to give this pointer, a position of the look-up table 62 of the bearing capacity parameter that allows its sensing comprise to be used for called route.The bearing capacity parameter of choosing from look-up table 62 is handled according to usual way by mobile services switching centre, transmits from travelling carriage as this bearing capacity parameter.The solution that another one is possible has been used the notion of intelligent network, and external node will be finished various analyses and translate function here.But although the implementation method difference, the basic conception that BCIE translates function will be the same with principle.
In call establishment, travelling carriage 72 transmits a call set-up signal to base station 74.This call set-up signal comprises callee's number and bearer capability information element.Callee BCD number information element is used to discern the callee, and Fig. 7 is the example of a callee BCD number information element.Callee BCD number is type 4 information elements, and minimum length is 3 eight tuples, and maximum length is 13 eight tuples.As previously mentioned, the bearer capability information element is used to describe bearer service.Figure eight is examples of a bearer capability information element.The bearer capability information element is type 4 information elements, and minimum length is 3 eight tuples, and maximum length is 10 eight tuples.For example, the BCIE value of sending from travelling carriage may be ITC=3.1KHz audio frequency, rate adapted=nothing and modem type=auto-baud Class1.Persons skilled in the art can understand that the bearer capability information element can be provided with the system parameters of wide range, and the present invention considers these parameters, and is not limited to rate adapted, modem type and this Several Parameters of information transfer capability.So the setup requests that receives 74 is sent to mobile services switching centre 76 from the base station pellucidly.At first, mobile services switching centre 76 is analyzed the business that callee's number is determined request.After having determined the business of request, MSC determines whether need to revise the bearer capability information element for the business of this request, because when at first the BCIE number being set in travelling carriage, some new network configuration does not also exist.The function of revising BCIE can be provided by different devices.But required basic function will be to analyze/to compare with reference to the predefined bearing capacity feature that is used for specific transactions each BCIE parameter.If desired, mobile services switching centre is revised the bearer capability information element with the new network configuration of correspondence.Revised then or the bearer capability information element of unmodified is sent to cellular system interworking unit 78.Cellular system interworking unit 78 is selected required modulator-demodulator, rate adapted and is finished the professional necessary agreement of request.After this finished, call establishment had just been finished, and this has just set up the business of being asked for the user.
The present invention makes PLMN have the flexibility of height.The user can continue to use same configuration access service, needn't manage PLMN administrative department to change that ITC made.The present invention also allows PLMN can select to use 3.1KHz audio frequency and UDI in consolidated network.Another advantage of the present invention may be applicable to the roamer, and these users' Home PLMN may be supported one similarly to the direct access of PSPDN, still is to be provided with by a different ITC.The roamer may be on the PLMN network that uses the UDI connection, and its BCIE element specializes the basic service that requires the 3.1KHz audio frequency.According to the present invention, by revise the BCIE of roaming mobile stations in MSC, roaming mobile stations just can use this system, and regardless of the BCIE that is stored in the travelling carriage.
Concerning one of ordinary skill in the art, making it joyful is that the present invention can be applied to other concrete form, and does not break away from its spirit or substantive characteristics.Therefore, embodiment disclosed herein all should be considered as exemplaryly aspect all, and do not have restricted.Scope of the present invention is by additional claims explanation, and can't help the description decision of front.Simultaneously, be intended to also here to comprise that all do not exceed all changes of design and scope between the equivalent of the present invention.
Claims (11)
1. a public land mobile network that allows to comprise a mobile services switching centre at least provides direct or special data service to public or special-purpose wide area network and local area network (LAN), above-mentioned network has the ability to use different message transmission capabilities to support this business, may further comprise the steps:
From the request of travelling carriage received communication, be included in the conditional parameter that is provided with in the travelling carriage in the described request;
The conditional parameter that modification receives is with the concrete network configuration of correspondence; And
Parameter with described modification is that communication request is sought route.
2. method according to claim 1, the concrete specified information transfer capability of wherein said conditional parameter, rate adapted and modem type.
3. method according to claim 1, wherein said conditional parameter use look-up table to make amendment.
4. in cellular communication system, set up the method for calling out for one kind, may further comprise the steps:
Described cellular system receipt of call from travelling carriage is set up request, and this request comprises callee and bearer capability information element;
Analyze described called party information, with concrete route or the business of decoding;
Analyze and revise described bearer capability information element, with the concrete route of the described system of correspondence use or the professional set predefine parameter that specifically indicates by called party information;
Use above-mentioned amended bearer capability information element to finish described call establishment.
5. the method for calling out, the concrete specified information transfer capability of wherein said bearer capability information element, rate adapted and the modem type in cellular system, set up according to claim 4.
6. set up the method for calling out according to claim 4 in cellular system, wherein said conditional parameter uses look-up table to make amendment.
7. according to the method for in cellular system, set up calling out of claim 4, wherein external node analysis and revise the bearer capability information element.
8. in the cellular system that comprises a plurality of travelling carriages, a plurality of base station and at least one system controller, set up the system of calling out for one kind, comprising:
Described cellular system is set up the device of request from the travelling carriage receipt of call, and described request comprises callee and bearer capability information element;
Analysis called party information, decoding obtain concrete route or professional device;
Analyze and revise above-mentioned bearer capability information element, the device of concrete route of using with the described system of correspondence or the professional set predefine parameter that specifically indicates by called party information;
Use above-mentioned amended bearer capability information element to finish the device of described call establishment.
9. in cellular system, set up the method for calling out, wherein said bearer capability information element concrete specified information transfer capability, rate adapted and modem type according to Claim 8.
10. the method for calling out of setting up in cellular system according to claim 8, wherein said conditional parameter uses look-up table to make amendment.
11. the method for in cellular system, setting up main calling according to Claim 8, wherein external node analysis and modification bearer capability information element.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US43580795A | 1995-05-05 | 1995-05-05 | |
| US08/435,807 | 1995-05-05 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1183880A true CN1183880A (en) | 1998-06-03 |
| CN1090430C CN1090430C (en) | 2002-09-04 |
Family
ID=23729888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN96193718A Expired - Fee Related CN1090430C (en) | 1995-05-05 | 1996-04-18 | Mobile radio system with translation of BCIE |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP0824834A1 (en) |
| JP (1) | JPH11504484A (en) |
| CN (1) | CN1090430C (en) |
| AU (1) | AU5708196A (en) |
| WO (1) | WO1996035300A1 (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5953407A (en) * | 1996-12-05 | 1999-09-14 | Nortel Networks Corporation | Distinctive ringing and distinctive call-waiting tones in an ISDN |
| FI103165B (en) | 1997-02-12 | 1999-04-30 | Nokia Mobile Phones Ltd | Method and apparatus for setting data transfer parameters in a communication system |
| FI107498B (en) | 1997-06-30 | 2001-08-15 | Nokia Networks Oy | Defining carrier service parameter in a radio access network |
| DE19735191C2 (en) * | 1997-08-14 | 2001-07-26 | Deutsche Telekom Ag | Method and system for the mobile use of online services |
| US6073018A (en) * | 1997-12-11 | 2000-06-06 | Ericsson Inc | System and method for interworking of wireless communication systems with ISDN networks |
| SE512509C2 (en) | 1997-12-17 | 2000-03-27 | Ericsson Telefon Ab L M | Method and apparatus for establishing data communication via a mobile telephone modem |
| US6374111B1 (en) | 1999-03-12 | 2002-04-16 | Telefonaktiebolaget Lm Ericsson (Publ) | System and method for robust automatic cell retune |
| CN100459633C (en) * | 2005-10-27 | 2009-02-04 | 北京佳讯飞鸿电气股份有限公司 | Analoge number-selection accessing method and system for use in digital scheduling telecommunication system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0553277A1 (en) * | 1990-10-16 | 1993-08-04 | Motorola, Inc. | Mobile isdn radio system |
-
1996
- 1996-04-18 CN CN96193718A patent/CN1090430C/en not_active Expired - Fee Related
- 1996-04-18 EP EP96915268A patent/EP0824834A1/en not_active Withdrawn
- 1996-04-18 WO PCT/SE1996/000507 patent/WO1996035300A1/en not_active Application Discontinuation
- 1996-04-18 JP JP8533226A patent/JPH11504484A/en not_active Abandoned
- 1996-04-18 AU AU57081/96A patent/AU5708196A/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| AU5708196A (en) | 1996-11-21 |
| CN1090430C (en) | 2002-09-04 |
| JPH11504484A (en) | 1999-04-20 |
| WO1996035300A1 (en) | 1996-11-07 |
| EP0824834A1 (en) | 1998-02-25 |
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