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GSM TS 42.009 |
sa3 |
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Security aspects |
Bearer and Teleservices, as respectively defined in TS 02.02 and TS 02.03, are the objects which the GSM PLMN operators offer to their customers. Besides these basic telecommunications services, features which aim at up grading these basic services need also to be offered. Due to the use of radiocommunications in a PLMN, which are of a special nature compared to classical distribution transmission techniques used in the fixed networks, such a category of features is related to security aspects.
In a GSM PLMN, both the users and the network operator have to be protected against undesirable intrusion of third parties. However, measures should be provided for in order to insure maximum protection of the rights of the individuals concerns. As a consequence, a security feature is either a supplementary service to Tele or Bearer services, which can be selected by the subscriber, or a network function involved in the provision of one or several telecommunication services.
The purpose of the present document is to define the security features which are to be available in a GSM PLMN, together with the associated levels of protection. The present document is only concerned with those security features which aim at the up grading of the security in a GSM PLMN. In particular, end to end security is outside the scope of the present document.
The implementation aspects of security features are described in TS 03.20.
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GSM TS 42.017 |
ct6 |
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Subscriber Identity Module (SIM) - Functional characteristics |
The present document defines the functional characteristics and requirements of the Subscriber Identity Module (SIM) for use in Digital Cellular Telecommunications System (GSM) applications. All references to GSM shall apply equally to any band specified for GSM unless otherwise stated.
The SIM is the entity that contains the identity of the subscriber. When placed in a Mobile Equipment (ME), together they become a Mobile Station (MS) which may then register onto a GSM network.
The primary function of the SIM in conjunction with a GSM network is to authenticate the validity of an MS when accessing the network. In addition it provides a means to authenticate the user and may also store other subscriber-related information or applications. Subscription entitlements are stored not in the SIM, but in the network.
If the SIM functionality is incorporated into a multi-application card, the GSM application may be used in other telecommunication applications.
In addition, SIMs are permitted to contain non-GSM functionality. In the case of multi-application cards, the present document defines just the GSM application.
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GSM TS 42.019 |
ct6 |
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Subscriber Identity Module Application Programming Interface (SIM API) |
The present document defines the stage one description of the Subscriber Identity Module Application Programming Interface (SIM API) internal to the SIM. Stage one is an overall service description, and does not deal with the implementation details of the API.
The present document includes information applicable to network operators, service providers and terminal, SIM, switch and database manufacturers.
The present document contains the core requirements which are sufficient to provide a complete service.
It is highly desirable however, that technical solutions for a SIM API should be sufficiently flexible to allow for possible enhancements. Additional functionalities not documented in the present document may implement requirements which are considered outside the scope of the present document. This additional functionality may be on a network-wide basis, nation-wide basis or particular to a group of users. Such additional functionality shall not compromise conformance to the core requirements of the service.
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GSM TS 42.033 |
sa3 |
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Lawful Interception |
This TS provides the stage 1 description for a lawful interception function to be implemented in a given GSM PLMN in order for a network operator to be able to fulfil national lawful requirements. It shall be noted that national variation may exist but it is not the intention for this specification to encompass all of them. The purpose of this specification is to cover the options which may be selectable according to national regulations or as required by the GSM PLMN operator in co-operation with their suppliers.
In the preparation of this specification general reference was made to the European Union Council Resolution, January 1995: "International Requirements for the Lawful Interception of Telecommunications".
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GSM TS 42.043 |
sa1 |
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Support of Localised Service Area (SoLSA) - Service description |
This TS specifies a mechanism, which can be used as a platform for providing special tariffs and/or special set of service features for certain subscribers within a regionally restricted area or areas.
The motivation for this concept is to create means for network operators to build new service and tariff packages, which take into account subscriber groups and their needs.
The localised service area is both an optional network feature and an optional UE feature. Usage and implementation of the different SoLSA service features may vary according to operator's service packages.
This feature is not intended to replace the existing method of cell selection, cell indication and handover.
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GSM TS 42.056 |
sa1 |
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GSM Cordless Telephony System (CTS), Phase 1 - Service description |
The scope of the present document is to describe the Service aspects of a GSM Cordless Telephony System (CTS), which provides the possibility for users of GSM terminals to have cordless access to a fixed network, such as PSTN/ISDN or a radio network such as GSM.
Due to the time constraints to have a first specification ready for market needs, a phased approach is necessary. The first phase aims primarily at an application supporting the speech teleservice (including DTMF support) in a residential single cell environment. The focus is on the requirements necessary to elaborate the radio interface and the security aspects for such an application.
To not prevent or impede the evolution of CTS to additional services and functions, later phases may have to be considered when now defining the means to fulfil the above mentioned requirements for the first phase of CTS. Therefore, additional support on the CTS radio interface for later phase services (e.g. SMS, subscriber authentication and GSM supplementary services), is included already in CTS Phase 1, provided that such services are clearly defined. Other expected services and functions in later phases are included in annex A.
The standardisation of the physical layers of the GSM-CTS fixed network interface is not in the scope of the present document. However, consideration may need to be given to communication of application data between CTS and PLMN via the fixed network.
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GSM TS 42.068 |
sa1 |
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Voice Group Call Service (VGCS) |
The present document specifies the stage one description of the Voice Group Call Service (VGCS) which allows speech
conversation of a predefined group of service subscribers in half duplex mode on the radio link taking into account
multiple mobile service subscribers involved in the VGCS call per cell.
The VGCS is applicable to all mobile stations in a certain network and area which have the technical capability and the
corresponding subscription, respectively, to participate in a VGCS call.
NOTE: It is not considered as requirement that normal GSM phase 2 mobile stations will be able to be used for
this service.
The service is described from the service subscriber's and user's point of view; in particular:
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The present document does not deal with the Man-Machine Interface (MMI) requirements, but makes reference to the
appropriate Global System for Mobile Communications (GSM) specifications.
The present document defines a teleservice of the digital cellular telecommunications system GSM. Any interaction
with other services and/or networks not dealt with in clauses 7 or 8 are outside the scope of the present document.
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GSM TS 42.069 |
sa1 |
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Voice Broadcast Service (VBS) |
The present document specifies the stage one description of the Voice Broadcast Service (VBS) which allows the
distribution of speech (or other signals which can be transmitted via the speech codec), generated by a service
subscriber, into a predefined geographical area to all or a group of service subscribers located in this area.
The Voice Broadcast Service (VBS) is applicable to all mobile stations in a certain network and area which have the
technical capability and the respective subscription to receive a VBS call.
NOTE: It is not considered as requirement that normal GSM Phase 2 mobile stations will be able to be used for
this service.
The service is described from the service subscriber's and user's point of view; in particular:
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the procedure for normal operation with successful outcome;
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the action to be taken in exceptional circumstances;
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the interaction with other GSM services and features.
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The present document does not deal with the Man-Machine Interface (MMI) requirements, but makes reference to the
appropriate Global System for Mobile communications (GSM) specifications.
The present document defines a teleservice of the digital cellular telecommunication system GSM. Any interaction with
other services and/or networks not dealt within clauses 8 or 9 are outside the scope of the present document.
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