Digital Enhanced Cordless Telecommunications (DECT); Global System for Mobile communications (GSM); DECT/GSM Interworking Profile (IWP); General description of service requirements; Functional capabilities and information flows

Stage 1 & 2 descriptions of the DECT/GSM inter-working.

Digitalne izboljšane brezvrvične telekomunikacije (DECT) - Globalni sistem mobilnih komunikacij (GSM) - Profil vzajemnega delovanja DECT/GSM (IWP) - Splošen opis storitvenih zahtev - Funkcijske zmožnosti in informacijski tokovi

General Information

Status
Published
Publication Date
31-Aug-1998
Current Stage
6060 - National Implementation/Publication (Adopted Project)
Start Date
01-Sep-1998
Due Date
01-Sep-1998
Completion Date
01-Sep-1998

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SLOVENSKI STANDARD
SIST ETS 300 466:1998
01-september-1998
'LJLWDOQHL]EROMãDQHEUH]YUYLþQHWHOHNRPXQLNDFLMH '(&7 *OREDOQLVLVWHP
PRELOQLKNRPXQLNDFLM *60 3URILOY]DMHPQHJDGHORYDQMD'(&7*60 ,:3 
6SORãHQRSLVVWRULWYHQLK]DKWHY)XQNFLMVNH]PRåQRVWLLQLQIRUPDFLMVNLWRNRYL
Digital Enhanced Cordless Telecommunications (DECT); Global System for Mobile

communications (GSM); DECT/GSM Interworking Profile (IWP); General description of

service requirements; Functional capabilities and information flows
Ta slovenski standard je istoveten z: ETS 300 466 Edition 1
ICS:
33.070.30 'LJLWDOQHL]EROMãDQH Digital Enhanced Cordless
EUH]YUYLþQHWHOHNRPXQLNDFLMH Telecommunications (DECT)
'(&7
33.070.50 Globalni sistem za mobilno Global System for Mobile
telekomunikacijo (GSM) Communication (GSM)
SIST ETS 300 466:1998 en

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST ETS 300 466:1998
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SIST ETS 300 466:1998
EUROPEAN ETS 300 466
TELECOMMUNICATION July 1996
STANDARD
Source: ETSI TC-RES Reference: DE/RES-03048
ICS: 33.020, 33.060.50
Key words: DECT, GSM
Radio Equipment and Systems (RES);
Digital European Cordless Telecommunications/
Global System for Mobile Communications
(DECT/GSM) interworking profile;
General description of service requirements;
Functional capabilities and information flows
ETSI
European Telecommunications Standards Institute
ETSI Secretariat
Postal address: F-06921 Sophia Antipolis CEDEX - FRANCE
Office address: 650 Route des Lucioles - Sophia Antipolis - Valbonne - FRANCE
X.400: c=fr, a=atlas, p=etsi, s=secretariat - Internet: secretariat@etsi.fr
Tel.: +33 92 94 42 00 - Fax: +33 93 65 47 16

Copyright Notification: No part may be reproduced except as authorized by written permission. The copyright and the

foregoing restriction extend to reproduction in all media.
© European Telecommunications Standards Institute 1996. All rights reserved.
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SIST ETS 300 466:1998
Page 2
ETS 300 466: July 1996

Whilst every care has been taken in the preparation and publication of this document, errors in content,

typographical or otherwise, may occur. If you have comments concerning its accuracy, please write to

"ETSI Editing and Committee Support Dept." at the address shown on the title page.

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SIST ETS 300 466:1998
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ETS 300 466: July 1996
Contents

Foreword .......................................................................................................................................................5

1 Scope ..................................................................................................................................................7

2 Normative references..........................................................................................................................8

3 Definitions and abbreviations ............................................................................................................12

3.1 Definitions ..........................................................................................................................12

3.2 Abbreviations .....................................................................................................................14

4 Conformance.....................................................................................................................................14

5 Introduction........................................................................................................................................14

6 General..............................................................................................................................................15

7 GSM service provision ......................................................................................................................15

7.1 General ..............................................................................................................................15

7.1.1 Processing of GSM services not supported ..................................................15

7.1.2 Bearer service ...............................................................................................15

7.1.2.1 Exception handling ..............................................................15

7.1.3 Teleservice....................................................................................................15

7.1.3.1 Exception handling ..............................................................15

7.1.4 Tones ............................................................................................................15

7.1.5 Supplementary services ................................................................................16

7.1.5.1 General requirements..........................................................16

7.1.5.2 Exception handling ..............................................................16

7.1.5.3 Number Identification Supplementary Services (NISS).......16
7.1.5.4 Call Offering Supplementary Services (COSS) ...................16
7.1.5.5 Call Completion Supplementary Services (CCSS)..............16
7.1.5.6 Multi Party Supplementary Services (MPSS) ......................16
7.1.5.7 Community of Interest Supplementary Services (CISS)......16
7.1.5.8 Charging Supplementary Services (CSS) ...........................16
7.1.5.9 Call Restriction Supplementary Services (CRSS) ...............17

7.1.6 Unstructured Supplementary Services Data (USSD)....................................17

7.1.6.1 Exception handling ..............................................................17

7.2 Functional capabilities and information flows ....................................................................17

7.2.1 Supplementary services ................................................................................17

7.2.1.1 General requirement............................................................17

7.2.1.2 Number Identification Supplementary Services (NISS).......17
7.2.1.3 Call Offering Supplementary Services (COSS) ...................17
7.2.1.4 Call Completion Supplementary Services (CCSS)..............17
7.2.1.5 Multi Party Supplementary Services (MPSS) ......................17
7.2.1.6 Community of Interest Supplementary Services (CISS)......17
7.2.1.7 Call Restriction Supplementary Services (CRSS) ...............17
7.2.1.8 Charging Supplementary Services (CSS) ...........................17

7.2.2 Unstructured Supplementary Services Data (USSD)....................................18

7.2.3 Bearer services .............................................................................................18

7.2.4 Teleservices ..................................................................................................18

8 Portable Part (PP) requirements .......................................................................................................18

8.1 General ..............................................................................................................................18

8.2 Description.........................................................................................................................18

8.2.1 Basic PP features..........................................................................................18

8.2.2 Supplementary PP features ..........................................................................18

8.2.3 Additional PP features...................................................................................18

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SIST ETS 300 466:1998
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ETS 300 466: July 1996

8.3 Requirements for implementing PP features .................................................................... 19

8.3.1 Basic PP features ......................................................................................... 19

8.3.1.1 Display of called number..................................................... 19

8.3.1.2 Indication of call progress signals ....................................... 19

8.3.1.3 Country/PLMN indication and PLMN selection ................... 20

8.3.1.4 Keypad ................................................................................ 20

8.3.1.5 International Mobile station Equipment Identity (IMEI)
and/or International Portable Equipment Identity (IPEI)...... 20

8.3.1.6 International access function .............................................. 20

8.3.1.7 Autocalling restriction capabilities ....................................... 20

8.3.1.8 Emergency calls capabilities............................................... 20

8.3.1.9 Subscription identity management...................................... 20

8.3.1.10 Support of DECT encryption ............................................... 20

8.3.1.11 Support of ERMES alphabet............................................... 20

8.3.2 Supplementary/additional PP features ......................................................... 21

8.3.2.1 Support of supplementary services..................................... 21

8.3.2.2 Abbreviated dialling............................................................. 21

8.3.2.3 Fixed number dialling.......................................................... 21

8.3.2.4 Last Numbers Dialled (LND)............................................... 21

8.4 Man-Machine Interface (MMI) of the PP ........................................................................... 21

8.4.1 Physical user input features.......................................................................... 22

8.4.1.1 MMI related to PP features ................................................. 22

8.4.2 Physical output features ............................................................................... 22

8.4.3 Support of Dual Tone Multi Frequency (DTMF)............................................ 22

8.4.4 Procedures ................................................................................................... 22

8.4.4.1 Definition of functions.......................................................... 22

8.4.4.2 Call Control ......................................................................... 22

8.5 SIM interfaces ................................................................................................................... 23

8.5.1 Entry of PIN and PIN2................................................................................... 23

8.5.2 Change of PIN or PIN2................................................................................. 23

8.5.3 Unblocking of PIN or PIN2............................................................................ 23

8.5.4 Status information - return codes ................................................................. 23

8.6 Service access .................................................................................................................. 23

9 Fixed Part (FP) requirements ........................................................................................................... 24

9.1 Support of GSM Mobile Equipment Identity and Software Version number (IMEISV)...... 24

9.2 Support of MS classmark.................................................................................................. 24

9.3 Support of emergency call capability................................................................................. 24

9.4 Support of international access function ........................................................................... 24

9.5 Support of DTMF............................................................................................................... 24

9.6 Support of ERMES alphabet ............................................................................................. 24

Annex A (normative): GSM teleservices and supplementary services................................................. 25

History......................................................................................................................................................... 26

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SIST ETS 300 466:1998
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ETS 300 466: July 1996
Foreword

This European Telecommunication Standard (ETS) has been produced by the Radio Equipment and

Systems (RES) Technical Committee of the European Telecommunications Standards Institute (ETSI).

Transposition dates
Date of adoption of this ETS: 8 March 1996
Date of latest announcement of this ETS (doa): 31 October 1996
Date of latest publication of new National Standard
or endorsement of this ETS (dop/e): 30 April 1997
Date of withdrawal of any conflicting National Standard (dow): 30 April 1997
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Blank page
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SIST ETS 300 466:1998
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1 Scope

This European Telecommunication Standard (ETS) is a part of the Digital European Cordless

Telecommunications/Global System for Mobile Communications (DECT/GSM) interworking profile and

specifies requirements needed to ensure that GSM basic services can be provided over the DECT air

interface.

To enable DECT terminals to inter-work with DECT systems which are connected to the GSM

infrastructure, this ETS specifies the additions to the GAP specification, ETS 300 444 [12] on which this

profile is based. The additions are based on the DECT Common Interface specification given in

ETS 300 175, parts 1 to 8 [2] to [9].

From the GSM side this ETS assumes interworking with GSM Public Land Mobile Network (PLMN)

phase 2. Interworking with GSM Phase 1 is outside the scope of this ETS.

Interworking requirements are based upon Mobile Switching Centre (MSC) attachment for the DECT

Fixed Part (FP) as the FP is using the A-interface towards the GSM MSC in the respect that the FP

emulates a GSM Base Station Controller (BSC) with regards to the GSM messages which are relevant to

this ETS. The complete interface used between the DECT FP and the GSM MSC is specified in

ETS 300 499 [13]. Attachment via other interfaces to GSM-networks is outside the scope of this ETS.

The DECT access protocols and FP and Portable Part (PP) interworking/mappings necessary for the

support of basic voice telephony service are specified in ETS 300 370 [11]. The interworking/mappings

and access requirements for the support of other services of this ETS, will be included in future standards

of the DECT/GSM interworking profile.

The whole set of GSM services according to GSM Phase 2 is supported unless it is explicitly stated in the

following clauses of this ETS.

The DECT PP has to accept the GSM Subscriber Identification Module (SIM) as well as the DECT

Authentication Module (DAM), with a GSM application. The functional separation of the DECT/GSM

interworking among DECT FP and PP allows for terminal portability. All roaming scenarios based on SIM

roaming as described in GSM specifications are applicable. Additionally subscribers using a SIM or DAM

with GSM Application in conjunction with a DECT PP, capable of DECT GSM interworking may also roam

among FPs connected to different GSM networks.

Handover among DECT radio access systems and GSM radio access systems as well as handover

among DECT cells connected to different Common Control Fixed Parts (CCFPs), which are individually

linked to a MSC, is outside the scope of this ETS.
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ETS 300 466: July 1996
2 Normative references

This ETS incorporates, by dated or undated reference, provisions from other publications. These

normative references are cited at the appropriate places in the text and the publications are listed

hereafter. For dated references, subsequent amendments to or revisions of any of these publications

apply to this ETS only when incorporated in it by amendment or revision. For undated references the latest

edition of the publication referred to applies.
[1] ETS 300 133-2: "Radio Equipment and Systems (RES); European Radio
MEssage System (ERMES); Part 2: Service aspects".
[2] ETS 300 175-1: "Radio Equipment and Systems (RES); Digital European
Cordless Telecommunications (DECT); Common Interface (CI); Part 1:
Overview".
[3] ETS 300 175-2: "Radio Equipment and Systems (RES); Digital European
Cordless Telecommunications (DECT); Common Interface (CI); Part 2: Physical
Layer".
[4] ETS 300 175-3: "Radio Equipment and Systems (RES); Digital European
Cordless Telecommunications (DECT); Common Interface (CI); Part 3: Medium
Access Control (MAC) layer".
[5] ETS 300 175-4: "Radio Equipment and Systems (RES); Digital European
Cordless Telecommunications (DECT); Common Interface (CI); Part 4: Data
Link Control (DLC) layer".
[6] ETS 300 175-5: "Radio Equipment and Systems (RES); Digital European
Cordless Telecommunications (DECT); Common Interface (CI); Part 5: Network
(NWK) layer".
[7] ETS 300 175-6: "Radio Equipment and Systems (RES); Digital European
Cordless Telecommunications (DECT); Common Interface (CI); Part 6:
Identities and addressing".
[8] ETS 300 175-7: "Radio Equipment and Systems (RES); Digital European
Cordless Telecommunications (DECT); Common Interface (CI); Part 7: Security
features".
[9] ETS 300 175-8: "Radio Equipment and Systems (RES); Digital European
Cordless Telecommunications (DECT); Common Interface (CI); Part 8: Speech
coding and transmission".
[10] I-ETS 300 176: "Radio Equipment and Systems (RES); Digital European
Cordless Telecommunications (DECT); Approval test specification".
[11] ETS 300 370: "Radio Equipment and Systems (RES); Digital European
Cordless Telecommunications/Global System for Mobile communications
(DECT/GSM) inter-working profile; Access and mapping (Protocol/procedure
description for 3,1 kHz speech service)".
[12] ETS 300 444: "Radio Equipment and Systems (RES); Digital European
Cordless Telecommunications (DECT); Generic Access Profile (GAP)”.
[13] ETS 300 499: "Radio Equipment and Systems (RES); Digital European
Cordless Telecommunications/Global System for Mobile Communications
(DECT/GSM) interworking profile; Mobile services Switching Centre (MSC) -
Fixed Part (FP) interconnection".

[14] ETS 300 501: "European digital cellular telecommunications system (Phase 2);

Bearer Services (BS) supported by a GSM Public Land Mobile Network (PLMN)
(GSM 02.02)".
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SIST ETS 300 466:1998
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ETS 300 466: July 1996

[15] ETS 300 502: "European digital cellular telecommunications system (Phase 2);

Teleservices supported by a GSM Public Land Mobile Network (PLMN)
(GSM 02.03)".
[16] ETS 300 503: "Digital cellular telecommunications system (Phase 2); General
on supplementary services (GSM 02.04)".
[17] ETS 300 505: "Digital cellular telecommunications system (Phase 2); Mobile
Stations (MS) features (GSM 02.07)".
[18] ETS 300 507: "Digital cellular telecommunications system (Phase 2); Service
accessibility (GSM 02.11)".

[19] ETS 300 508: "European digital cellular telecommunications system (Phase 2);

International Mobile station Equipment Identities (IMEI) (GSM 02.16)".

[20] ETS 300 509: "European digital cellular telecommunications system (Phase 2);

Subscriber Identity Modules (SIM) Functional characteristics (GSM 02.17)".
[21] ETS 300 510: "Digital cellular telecommunications system (Phase 2);
Description of Charge Advice Information (CAI) (GSM 02.24)".

[22] ETS 300 511: "European digital cellular telecommunications system (Phase 2);

Man-Machine Interface (MMI) of the Mobile Station (MS) (GSM 02.30)".

[23] ETS 300 512: "Digital cellular telecommunications system (Phase 2); Procedure

for call progress indications (GSM 02.40)".
[24] ETS 300 514: "Digital cellular telecommunications system (Phase 2); Line
identification supplementary services - Stage 1 (GSM 02.81)".
[25] ETS 300 515: "Digital cellular telecommunications system (Phase 2); Call
Forwarding (CF) supplementary services - Stage 1 (GSM 02.82)".
[26] ETS 300 516: "Digital cellular telecommunications system (Phase 2); Call
Waiting (CW) and Call Holding (HOLD) supplementary services - Stage 1
(GSM 02.83)".

[27] ETS 300 517: "Digital cellular telecommunications system (Phase 2); MultiParty

(MPTY) supplementary services - Stage 1 (GSM 02.84)".
[28] ETS 300 518: "Digital cellular telecommunications system (Phase 2); Closed
User Group (CUG) supplementary services - Stage 1 (GSM 02.85)".

[29] ETS 300 519: "European digital cellular telecommunications system (Phase 2);

Advice of Charge (AoC) supplementary services - Stage 1 (GSM 02.86)".
[30] ETS 300 520: "Digital cellular telecommunications system (Phase 2); Call
Barring (CB) supplementary services - Stage 1 (GSM 02.88)".

[31] ETS 300 521: "European digital cellular telecommunications system (Phase 2);

Network functions (GSM 03.01)".

[32] ETS 300 527: "Digital cellular telecommunications system (Phase 2); Handover

procedures (GSM 03.09)".

[33] ETS 300 529: "European digital cellular telecommunications system (Phase 2);

Technical realization of supplementary services (GSM 03.11)".

[34] ETS 300 530: "European digital cellular telecommunications system (Phase 2);

Location registration procedures (GSM 03.12)".
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ETS 300 466: July 1996

[35] ETS 300 532: "European digital cellular telecommunications system (Phase 2);

Support of Dual Tone Multi-Frequency signalling (DTMF) via the GSM system
(GSM 03.14)".

[36] ETS 300 542: "European digital cellular communications system (Phase 2); Line

identification supplementary services - Stage 2 (GSM 03.81)".

[37] ETS 300 543: "European digital cellular telecommunications system (Phase 2);

Call Forwarding (CF) supplementary services - Stage 2 (GSM 03.82)".

[38] ETS 300 544: "European digital cellular telecommunications system (Phase 2);

Call Waiting (CW) and Call Hold (HOLD) supplementary services - Stage 2
(GSM 03.83)".

[39] ETS 300 545: "European digital cellular telecommunications system (Phase 2);

Multi Party (MPTY) supplementary services - Stage 2 (GSM 03.84)".
[40] ETS 300 546: "Digital cellular telecommunications system (Phase 2); Closed
User Group (CUG) supplementary services - Stage 2 (GSM 03.85)".
[41] ETS 300 547 "European digital cellular telecommunications system (Phase 2);
Advice of Charge (AoC) supplementary services - Stage 2 (GSM 03.86)".

[42] ETS 300 548: "European digital cellular telecommunications system (Phase 2);

Call Barring (CB) supplementary services - Stage 2 (GSM 03.88)".
[43] ETS 300 549: "Digital cellular telecommunications system (Phase 2);
Unstructured Supplementary Service Data (USSD) - Stage 2 (GSM 03.90)".
[44] ETS 300 557: "Digital cellular telecommunications system (Phase 2); Mobile
radio interface layer 3 specification (GSM 04.08)".
[45] ETS 300 558: "Digital cellular telecommunications system (Phase 2); Mobile
radio interface layer 3; Supplementary services specification; General aspects
(GSM 04.10)".

[46] ETS 300 564: "European digital cellular telecommunications system (Phase 2);

Mobile radio interface layer 3; Supplementary services specification; Formats
and coding (GSM 04.80)".
[47] ETS 300 578: "Digital cellular telecommunications system (Phase 2); Radio
subsystem link control (GSM 05.08)".
[48] ETS 300 607: "Digital cellular telecommunication system (Phase 2); Mobile
Station (MS) conformance specification; (GSM 11.10)".

[49] ETS 300 608: "European digital cellular telecommunications system (Phase 2);

Specification of the Subscriber Identity Module - Mobile Equipment (SIM - ME)
interface (GSM 11.11)".

[50] ETS 300 625: "European digital cellular telecommunications system (Phase 2);

Stage 1 description of Unstructured Supplementary Service Data (USSD)
(GSM 02.90)".
[51] prETS 300 702: "Radio Equipment and Systems (RES); Digital Enhanced
Cordless Telecommunications/Global System for Mobile communications
(DECT/GSM) interworking profile".
[52] prETS 300 703: "Radio Equipment and Systems (RES); Digital Enhanced
Cordless Telecommunications/Global System for Mobile communications
(DECT/GSM) Interworking Profile (IWP); GSM phase 2 supplementary services
implementation".
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SIST ETS 300 466:1998
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ETS 300 466: July 1996
[53] prETS 300 704-1: “Radio Equipment and Systems (RES); Digital Enhanced
Cordless Telecommunications/Global System for Mobile communications
(DECT/GSM) Interworking Profile (IWP); Profile Implementation Conformance
Statement (ICS); Part 1: Portable radio Termination (PT)”.
[54] prETS 300 704-2: “Radio Equipment and Systems (RES); Digital Enhanced
Cordless Telecommunications/Global System for Mobile communications
(DECT/GSM) Interworking Profile (IWP); Profile Implementation Conformance
Statement (ICS); Part 2: Fixed radio Termination (FT)”.
[55] prETS 300 756: "Radio Equipment and Systems (RES); Digital Enhanced
Cordless Telecommunications / Global System for Mobile communications
(DECT/GSM) interworking profile; Implementation of bearer services".
[56] prETS 300 764: "Radio Equipment and Systems (RES); Digital Enhanced
Cordless Telecommunications / Global System for Mobile communications
(DECT/GSM) Interworking Profile (IWP); Implementation of short message
service, point-to-point and cell broadcast".
[57] prETS 300 792: "Radio Equipment and Systems (RES); Digital European
Cordless Telecommunications/Global System for Mobile Communications
(DECT/GSM); DECT/GSM interworking profile; Implementation of facsimile
group 3".
[58] ETR 015: "Radio Equipment and Systems; Digital European Cordless
Telecommunications (DECT); Reference document".
[59] ETR 043: "Radio Equipment and Systems (RES); Digital European Cordless
Telecommunications (DECT); Common interface; Services and facilities
requirements specification".
[60] ETR 056: "Radio Equipment and Systems (RES); Digital European Cordless
Telecommunications (DECT); System description document".
[61] TBR 10: "Radio Equipment and Systems (RES); Digital European Cordless
Telecommunications (DECT); General terminal attachment requirements:
Telephony applications".
[62] TBR 6: "Radio Equipment and Systems (RES); Digital European Cordless
Telecommunications (DECT); General terminal attachment requirements".

[63] ISO Publication 8859 (1986 E): "Information processing - ISO 7-bit and 8-bit

coded character sets".
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SIST ETS 300 466:1998
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ETS 300 466: July 1996
3 Definitions and abbreviations
3.1 Definitions
For the purposes of this ETS, the following definitions apply:

attach: The process whereby a PP within the coverage area of a FP to which it has access rights, notifies

this FP that it is operative. The reverse process is detach, which reports the PP as inoperative.

NOTE 1: An operative PP is assumed to be ready to receive calls.

authentication: The process whereby a DECT subscriber is positively verified to be a legitimate user of a

particular FP.

NOTE 2: Authentication is generally performed at call set-up, but may also be done at any other

time (e.g. during a call).

bearer service: A type of telecommunication service that provides a defined capability for the

transmission of signals between user-network interfaces.

NOTE 3: The DECT user-network interface corresponds to the top of the Network (NWK) layer

(layer 3).

call: All of the NWK layer processes involved in one NWK layer peer-to-peer association.

NOTE 4: Call may sometimes be used to refer to processes of all layers, since lower layer

processes are implicitly required.

Fixed Part (DECT Fixed Part) (FP): A physical grouping that contains all of the elements in the DECT

network between the local network and the DECT air interface.

NOTE 5: A DECT FP contains the logical elements of at least one Fixed radio Termination (FT),

plus additional implementation specific elements.

Fixed part GSM PLMN attachment (DECT FP attached to A GSM MSC): A definition of a functional

environment where a DECT system (FP) is attached to an GSM MSC. The MSC in this case refers to a

functional entity providing the required Mobility Management (MM) and Call Control (CC) functionality

defined in this ETS in order to communicate with the FP.

Fixed radio Termination (FT): A logical group of functions that contains all of the DECT processes and

procedures on the fixed side of the DECT air interface.

NOTE 6: A FT only includes elements that are defined in the DECT CI standard. This includes

radio transmission elements together with a selection of layer 2 and layer 3 elements.

handover: The process of switching a call in progress from one physical channel to another physical

channel. These processes can be internal (see internal handover) or external (see external handover).

NOTE 7: There are two physical forms of handover, intra-cell handover and inter-cell handover.

Intra-cell handover is always internal. Inter-cell handover can be internal or external.

incoming call: A call received at a PP.

inter-cell handover: The switching of a call in progress from one cell to another cell.

internal handover: Handover processes that are completely internal to one Fixed radio Termination (FT).

Internal handover re-connects the call at the lower layers, while maintaining the call at the NWK layer.

NOTE 8: The lower layer reconnection can either be at the Data Link Control (DLC) layer

(connection handover) or at the MAC layer (bearer handover).
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ETS 300 466: July 1996

inter-operability: The capability of FPs and PPs, that enable a PP to obtain access to teleservices in

more than one location area and/or from more than
...

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