SIST EN 300 175-1 V1.8.1:2006
(Main)Digital Enhanced Cordless Telecommunications (DECT); Common Interface (CI); Part 1: Overview
Digital Enhanced Cordless Telecommunications (DECT); Common Interface (CI); Part 1: Overview
The present document gives an introduction and overview of the complete Digital Enhanced Cordless Telecommunications (DECT) Common Interface (CI). The present document contains an abstract of the other parts of the DECT standard together with a general description of:
- the objectives of the present document;
- the DECT Common Interface;
- the protocol architecture of DECT.
The present document also provides an extensive vocabulary; in particular it contains the common definitions of all the technical terms used in different parts of the present document.
Digitalne izboljšane brezvrvične telekomunikacije (DECT) – Skupni vmesnik (CI) – 1. del: Pregled
General Information
Standards Content (Sample)
SLOVENSKI STANDARD
01-marec-2006
'LJLWDOQHL]EROMãDQHEUH]YUYLþQHWHOHNRPXQLNDFLMH '(&7 ±6NXSQLYPHVQLN &, ±
GHO 3UHJOHG
Digital Enhanced Cordless Telecommunications (DECT); Common Interface (CI); Part 1:
Overview
Ta slovenski standard je istoveten z: EN 300 175-1 Version 1.8.1
ICS:
33.070.30 'LJLWDOQHL]EROMãDQH Digital Enhanced Cordless
EUH]YUYLþQHWHOHNRPXQLNDFLMH Telecommunications (DECT)
'(&7
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
European Standard (Telecommunications series)
Digital Enhanced Cordless Telecommunications (DECT);
Common Interface (CI);
Part 1: Overview
2 ETSI EN 300 175-1 V1.8.1 (2004-11)
Reference
REN/DECT-000215-1
Keywords
DECT, radio
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ETSI
3 ETSI EN 300 175-1 V1.8.1 (2004-11)
Contents
Intellectual Property Rights.4
Foreword.4
1 Scope.5
2 References.5
3 Definitions and abbreviations.6
3.1 Definitions.6
3.2 Abbreviations.13
4 Structure.18
4.1 Part 1: Overview.18
4.2 Part 2: Physical Layer (PHL) .18
4.3 Part 3: Medium Access Control (MAC) layer.18
4.4 Part 4: Data Link Control (DLC) layer.18
4.5 Part 5: Network (NWK) layer .18
4.6 Part 6: Identities and addressing.18
4.7 Part 7: Security features .19
4.8 Part 8: Speech coding and transmission .19
5 The objectives of the CI standard.19
6 General description of the system .20
7 Description of the protocol architecture.21
7.1 General.21
7.2 The DECT layered structure.21
7.3 Physical Layer (PHL).22
7.4 MAC layer.22
7.5 DLC layer.22
7.6 Network (NWK) layer.23
7.7 Lower Layer Management Entity (LLME) .23
7.8 Interworking Units (IWU).23
8 Proprietary escapes within the CI.23
8.1 Primary escape routes.24
8.2 Secondary escape routes.24
9 Levels of conformance.25
Annex A (informative): Bibliography.26
Annex B (informative): Change history .27
History .28
ETSI
4 ETSI EN 300 175-1 V1.8.1 (2004-11)
Intellectual Property Rights
IPRs essential or potentially essential to the present document may have been declared to ETSI. The information
pertaining to these essential IPRs, if any, is publicly available for ETSI members and non-members, and can be found
in ETSI SR 000 314: "Intellectual Property Rights (IPRs); Essential, or potentially Essential, IPRs notified to ETSI in
respect of ETSI standards", which is available from the ETSI Secretariat. Latest updates are available on the ETSI Web
server (http://webapp.etsi.org/IPR/home.asp).
Pursuant to the ETSI IPR Policy, no investigation, including IPR searches, has been carried out by ETSI. No guarantee
can be given as to the existence of other IPRs not referenced in ETSI SR 000 314 (or the updates on the ETSI Web
server) which are, or may be, or may become, essential to the present document.
Foreword
This European Standard (Telecommunications series) has been produced by ETSI Project Digital Enhanced Cordless
Telecommunications (DECT).
The present document is part 1 of a multi-part deliverable covering the Common Interface (CI) for the Digital Enhanced
Cordless Telecommunications (DECT), as identified below:
Part 1: "Overview";
Part 2: "Physical Layer (PHL)";
Part 3: "Medium Access Control (MAC) layer";
Part 4: "Data Link Control (DLC) layer";
Part 5: "Network (NWK) layer";
Part 6: "Identities and addressing";
Part 7: "Security features";
Part 8: "Speech coding and transmission".
The following aspects of the present document are subject to controlled distribution:
a) DECT identities, as defined in EN 300 175-6 [5];
b) DECT cryptographic algorithms.
The cryptographic algorithms specify the details of the DECT standard authentication algorithm and the DECT standard
cipher.
These aspects are distributed on an individual basis. Further information and details of the current distribution
procedures can be obtained from the ETSI Secretariat at the address on the second page of the present document.
Further details of the DECT system may be found in TR 101 178 [8], ETR 043 [10] and TR 102 185 [11].
National transposition dates
Date of adoption of this EN: 12 November 2004
Date of latest announcement of this EN (doa): 28 February 2005
Date of latest publication of new National Standard
or endorsement of this EN (dop/e): 31 August 2005
Date of withdrawal of any conflicting National Standard (dow): 31 August 2005
ETSI
5 ETSI EN 300 175-1 V1.8.1 (2004-11)
1 Scope
The present document gives an introduction and overview of the complete Digital Enhanced Cordless
Telecommunications (DECT) Common Interface (CI).
The present document contains an abstract of the other parts of the DECT standard together with a general description
of:
- the objectives of the present document;
- the DECT Common Interface;
- the protocol architecture of DECT.
The present document also provides an extensive vocabulary; in particular it contains the common definitions of all the
technical terms used in different parts of the present document.
2 References
The following documents contain provisions which, through reference in this text, constitute provisions of the present
document.
• References are either specific (identified by date of publication and/or edition number or version number) or
non-specific.
• For a specific reference, subsequent revisions do not apply.
• For a non-specific reference, the latest version applies.
Referenced documents which are not found to be publicly available in the expected location might be found at
http://docbox.etsi.org/Reference.
[1] ETSI EN 300 175-2: "Digital Enhanced Cordless Telecommunications (DECT); Common
Interface (CI); Part 2: Physical Layer (PHL)".
[2] ETSI EN 300 175-3: "Digital Enhanced Cordless Telecommunications (DECT); Common
Interface (CI); Part 3: Medium Access Control (MAC) layer".
[3] ETSI EN 300 175-4: "Digital Enhanced Cordless Telecommunications (DECT); Common
Interface (CI); Part 4: Data Link Control (DLC) layer".
[4] ETSI EN 300 175-5: "Digital Enhanced Cordless Telecommunications (DECT); Common
Interface (CI); Part 5: Network (NWK) layer".
[5] ETSI EN 300 175-6: "Digital Enhanced Cordless Telecommunications (DECT); Common
Interface (CI); Part 6: Identities and addressing".
[6] ETSI EN 300 175-8: "Digital Enhanced Cordless Telecommunications (DECT); Common
Interface (CI); Part 8: Speech coding and transmission".
[7] ETSI EN 300 176 (all parts): "Digital Enhanced Cordless Telecommunications (DECT); Approval
test specification".
[8] ETSI TR 101 178: "Digital Enhanced Cordless Telecommunications (DECT); A High Level Guide
to the DECT Standardization".
[9] ETSI ETR 310: "Digital Enhanced Cordless Telecommunications (DECT); Traffic capacity and
spectrum requirements for multi-system and multi-service DECT applications co-existing in a
common frequency band".
[10] ETSI ETR 043: "Digital Enhanced Cordless Telecommunications (DECT); Common Interface
(CI); Services and facilities requirements specification".
ETSI
6 ETSI EN 300 175-1 V1.8.1 (2004-11)
[11] ETSI TR 102 185: "Digital Enhanced Cordless Telecommunications (DECT); Data Services
Profile (DSP); Profile overview".
[12] ETSI EN 300 403-1: "Integrated Services Digital Network (ISDN); Digital Subscriber Signalling
System No. one (DSS1) protocol; Signalling network layer for circuit-mode basic call control;
Part 1: Protocol specification [ITU-T Recommendation Q.931 (1993), modified]".
[13] ITU-R Recommendation SM.1046-1 (1997): "Definition of spectrum use and efficiency of a radio
system".
[14] ITU-R Recommendation M.816-1 (1997): "Framework for services supported on International
Mobile Telecommunications-2000 (IMT-2000)".
[15] ITU-R Recommendation M.1457: "Detailed specifications of the radio interfaces of International
Mobile Telecommunications-2000 (IMT-2000)".
3 Definitions and abbreviations
3.1 Definitions
For the purposes of the present document, the following terms and definitions apply:
Access Rights Class (ARC): type of access to a DECT network, such as public, residential or private
Access Rights Details (ARD): unique number within one ARC
Access Rights Identity (ARI): globally unique identity that shows the access rights related to a service provider
NOTE: PARI = Primary ARI;
SARI = Secondary ARI;
TARI = Tertiary ARI.
algorithm: mathematical process or function that transforms an input into an output
algorithm identifier: designator to show which algorithm is in use, so that the correct one may be chosen
antenna diversity: diversity implies that the Radio Fixed Part (RFP) for each bearer independently can select different
antenna properties such as gain, polarization, coverage patterns and other features that may effect the practical coverage
NOTE: A typical example is space diversity, provided by two vertically polarized antennas separated by 10 cm to
20 cm.
asymmetric algorithm: See public key algorithm.
attach: process whereby a Portable Part (PP) within the coverage area of a Fixed Part (FP) to which it has access rights,
notifies the FP that it is operative
authentication: corroboration that an entity is the one that is claimed
authentication of Fixed radio Termination (FT): process whereby the identity of an FT is verified to a DECT PT
authentication of Portable radio Termination (PT): process whereby a DECT PT is positively verified to be a
legitimate user of a particular FP
authentication (of a subscriber): process whereby a DECT subscriber is positively verified to be a legitimate user of a
particular FP
authentication of user: process whereby a DECT user is positively verified to be a legitimate user of a particular FP
bearer: See Medium Access Control (MAC) bearer or bearer service.
bearer handover: internal handover process provided by the MAC layer, whereby one MAC connection can modify its
underlying bearers while maintaining the service provided to the Data Link Control (DLC) layer
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7 ETSI EN 300 175-1 V1.8.1 (2004-11)
bearer service: type of telecommunication service that provides a defined capability for the transmission of signals
between user-network interfaces
broadcast: simplex point-to-multipoint mode of transmission
C-plane: control plane of the DECT protocol stacks, which contains all of the internal DECT protocol control, but may
also include some external user information
call: all of the Network (NWK) layer processes involved in one NWK layer peer-to-peer association
cell: domain served by a single antenna(e) system (including a leaky feeder) of one FP
Central Control Fixed Part (CCFP): physical grouping that contains the central elements of a FP
centrex: implementation of a private telecommunication network exchange that is not located on the premises of the
private network operator
Cipher Key (CK): value that is used to determine the transformation of plaintext to ciphertext in a cryptographic
algorithm
Cipher Key (CK) generation: process for generating cryptographic keys
ciphertext: output of a cryptographic algorithm
channel: See physical channel.
cluster: logical grouping of one or more cells between which bearer handover is possible
confidentiality: rendering information secret as ciphertext unless the capability is possessed to recover the plaintext
from ciphertext
connection: See MAC connection.
connection handover: internal handover process provided by the DLC layer, whereby one set of DLC entities (C-plane
and U-plane) can re-route data from one MAC connection to a second new MAC connection, while maintaining the
service provided to the NWK layer
Connectionless mode (C/L): transmission mode that transfers one packet (one self contained unit) of data from one
source point to one (or more) destination points in a single phase
Connection Oriented mode (C/O): transmission mode that transfers data from one source point to one or more
destination points using a protocol based on three phases:
• "Set-up";
• "Data transfer"; and
• "Release".
Cordless Radio Fixed Part (CRFP): Wireless Relay Station (WRS) that provides independent bearer control to a PT
and FT for relayed connections
countermeasure: device, instrument or procedure used to counteract or defend against a threat
coverage area: area over which reliable communication can be established and maintained
cryptography: secret writing
Data Encryption Standard (DES): United States Federal data encryption standard
Data Link Control (DLC): layer 2b of the DECT protocol stack
decipherment: rendering of ciphertext into plaintext
DECT Network (DNW): network that uses the DECT air interface to interconnect a local network to one or more
portable applications
DECT Standard Authentication Algorithm (DSAA): algorithm used for authentication in DECT
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8 ETSI EN 300 175-1 V1.8.1 (2004-11)
DECT Standard Cipher (DSC): algorithm used for data encryption in DECT
distributed communication: the ability of a DECT terminal to provide means for or assist direct communication
between any two terminals, members of a "closed" local DECT network
DLC broadband data link: link that can be associated with a logical MAC connection comprising a number of MAC
(physical) connections
DLC broadcast: simplex "connectionless" mode of transmission from the DLC broadcast entity of one FT to the DLC
broadcast entities in one or more PT
DLC data link (DLC link): association between two DLC layer entities
DLC frame: format used to structure all messages that are exchanged between DLC layer peer entities
double duplex bearer: use of two duplex bearers (see duplex bearer) which refer to the same MAC connection, sharing
their simplex bearers (see simplex bearer) for the information flow
double-simplex bearer: use of two simplex bearers operating in the same direction on two physical channels
th
double slot: one 12 of a TDMA frame which is used to support one high capacity physical channel
down-link: transmission in the direction FT to PT
duplex bearer: use of two simplex bearers operating in opposite directions on two physical channels
encipherment: rendering of plaintext into ciphertext
End System (ES): logical grouping that contains application processes and supports telecommunication services
Extended MAC control messages: MAC messages of the B-field connection control set
external handover: process of switching a call in progress from one FP to another FP
Fast Encryption Algorithm (FEAL algorithm): a particular encryption algorithm in the public domain
field: continuous region of data (i.e. adjacent bits) that jointly convey information
fixed geometry Portable Part (PP): PP in which the electro-acoustic transducers and their associated acoustic
components are held in fixed relative positions and/or orientations during all on-line conditions and test conditions of
the PP
Fixed Part (DECT Fixed Part) (FP): physical grouping that contains all of the elements in the DECT network
between the local network and the DECT air interface
Fixed radio Termination (FT): logical group of functions that contains all of the DECT processes and procedures on
the fixed side of the DECT air interface
flow control: mechanism that is used to regulate the flow of data between two peer entities
fragment: one of the Service Data Units (SDUs) that is produced by the process of fragmentation
fragmentation: process of dividing a Protocol Data Unit (PDU) into more than one SDU for delivery to a lower layer
frame: See TDMA frame or DLC frame.
th
full slot (slot): one 24 of a TDMA frame which is used to support one physical channel
generic: generalized set or general purpose set, often in the sense of basic or ordinary
Generic Access Profile (GAP): standard in addition to the DECT CI that ensures interoperability between FPs and PPs
from different manufacturers
geographically unique: two FPs with the same PARI, or respectively two RFPs with the same RFPI, cannot be reached
or listened to at the same geographical position
Global NetWork (GNW): telecommunication network capable of offering a long distance telecommunication service
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9 ETSI EN 300 175-1 V1.8.1 (2004-11)
globally unique identity: identity is unique within DECT (without geographical or other restrictions)
guard space: nominal interval between the end of a radio transmission in a given slot and the start of a radio
transmission in the next successive slot
th
half slot: one 48 of a TDMA frame which is used to support one physical channel
handover: process of switching a call in progress from one physical channel to another physical channel
handset echo: echo, perceptible by the far-end user, resulting from the coupling between the receiving and sending
directions of the handset, mostly due to acoustic coupling between transducers
Hybrid Part (HyP): DECT terminal that provides FT as well as PT capabilities
impersonation: where one identity claims the part of another identity
incoming call: call received at a PP
Integrated Services Digital Network (ISDN): digital telecommunications infrastructure to the Consultative
Committee on International Telegraphy and Telephony (CCITT) standards
intercell handover: switching of a call in progress from one cell to another cell
internal call: call between 2 users that does not make use of the local network resources
internal handover: handover processes that are completely internal to one FT
International Portable User Identity (IPUI): identity that uniquely defines one user within the domain defined by his
access rights related to this IPUI
interoperability: 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 one operator (more than one service provider)
interoperator roaming: roaming between FP coverage areas of different operators (different service providers)
InterWorking Unit (IWU): unit that is used to interconnect subnetworks
intracell handover: switching of a call in progress from one physical channel of one cell to another physical channel of
the same cell
intraoperator roaming: roaming between different FP coverage areas of the same operator (same service provider)
isochronous: essential characteristic of a time-scale or a signal such that the time intervals between consecutive
significant instants either have the same duration or durations that are integral multiples of the shortest duration
key management: way in which cryptographic keys are generated, distributed and used
Key Stream Generator (KSG): cryptographic algorithm which produces a stream of binary digits which can be used
for encipherment and decipherment
link: See DLC data link.
Local Area Network (LAN): electronic systems which are interconnected and in physical proximity to each other
Local Network (LNW): telecommunication network capable of offering local telecommunication services
locally unique identity: identity is unique within one FP or location area, depending on application
location area: domain in which a PP may receive (and/or make) calls as a result of a single location registration
location registration: process whereby the position of a DECT portable termination is determined to the level of one
location area, and this position is updated in one or more databases
logical channel: generic term for any distinct data path
logical connection: association between two instances of the MAC MBC that can be used by higher layers to exchange
U-plane or C-plane data
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10 ETSI EN 300 175-1 V1.8.1 (2004-11)
Lower Layer Management Entity (LLME): management entity that spans a number of lower layers, and is used to
describe all control activities which do not follow the rules of layering
Lower Tester (LT): logical grouping that contains the test equipment, a functionally equivalent DECT PT, a
functionally equivalent DECT FT and a test controller
MAC bearer (bearer): service element that is provided by each Cell Site Function (CSF)
MAC connection (connection): association between one source MAC Multi-Bearer Control (MBC) entity and one
destination MAC MBC entity
masquerading: where one identity plays the part of, or acts as, another identity
Medium Access Control (MAC): layer 2a of the DECT protocol stack
minimal MMS-message attributes: message meta-information used in the request-to-send, etc.
MMS-message attributes: message meta-information
mobility class 1: local area applications, for which terminals are pre-registered off-air with one or more specific fixed
parts, and establishment of service and user parameters is therefore implicit, according to a profile-defined list
mobility class 2: private and public roaming applications for which terminals may move between FPs within a given
domain and for which association of service parameters is explicit at the time of service request
multiframe: repeating sequence of 16 successive TDMA frames, that allows low rate or sporadic information to be
multiplexed (e.g. basic system information or paging)
Multimedia Messaging Service: generic set of commands, information elements and functionality for file/messaging
service
mutual authentication: where two entities corroborate the identity of each other
network (telecommunication network): all the means of providing telecommunication services between a number of
locations where the services are accessed via equipment attached to the network
network echo: echo, perceptible by the DECT user, resulting from reflections in the network. It is mostly due to hybrid
impairments at both ends of the communication
node: point at which switching occurs
operator (DECT operator): individual or entity who or which is responsible for operation of one or more DECT FPs
outgoing call: call originating from a PP
paging: process of broadcasting a message from a DECT FP to one or more DECT PPs
paging area: domain in which the PP will be paged as a part of incoming call establishment
PARK Length Indicator (PLI): associates a group of FP ARIs to the PARK, by indicating how many of the first
ARC + ARD bits are relevant
Personal Identity Number (PIN): short sequence of numbers (usually 4 to 8 digits) which may be used in an
authentication process to prove identity
phase: one discrete part of a procedure, where the start and end of the part can be clearly identified (e.g. by the arrival
or dispatch of a primitive)
Physical (PHY): layer 1 of the DECT protocol stack
physical channel (channel): simplex channel that is created by transmitting in one particular slot on one particular RF
channel in successive TDMA frames
plaintext: information or data which is intelligible to everyone
Portable Access Rights Key (PARK): this states the access rights for a PP
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11 ETSI EN 300 175-1 V1.8.1 (2004-11)
Portable Application (PA): logical grouping that contains all the elements that lie beyond the DECT network
boundary on the portable side
Portable Handset (PHS): single physical grouping that contains all of the portable elements that are needed to provide
a teleservice to the user
Portable Part (DECT Portable Part) (PP): physical grouping that contains all elements between the user and the
DECT air interface
Portable radio Termination (PT): logical group of functions that contains all of the DECT processes and procedures
on the portable side of the DECT air interface
Portable User Number (PUN): globally or locally unique number within one PUT
Portable User Type (PUT): this shows the numbering plan structure of a PUN
Primary Access Rights Identity (PARI): most frequently transmitted ARI
primitive: distinct (but abstract) data element that is passed between adjacent protocol layers
private: attribute indicating that the application of the so qualified term, e.g. a network, an equipment, a service, is
offered to, or is in the interest of, a determined set of users
proprietary algorithm: algorithm which is the intellectual property of a legal entity
public: attribute indicating that the application of the so qualified term, e.g. a network, an equipment, a service, is
offered to, or is in the interest of, the general public
Public Access Profile (PAP): profile which ensures interoperability between FPs and PPs for public access services
public access service: service that provides access to a public network for the general public
public key algorithm: cryptographic algorithm in which a different key is used for encipherment and for decipherment
radio channel: See RF channel or physical channel.
radio end point: physical grouping that contains one radio transceiver (transmitter/receiver), fixed or portable
Radio Fixed Part (RFP): one physical sub-group of a FP that contains all the radio end points (one or more) that are
connected to a single system of antennas
Radio Fixed Part Identity (RFPI): identity frequently transmitted by every RFP:
- PARI;
- the RFPs local identity within that FP;
- domains for handover and location areas.
random number: number generated by a non-deterministic process
registration: See either location registration or subscription registration.
Repeater Part (REP): WRS that relays information within the half frame time interval
RF carrier (carrier): centre frequency occupied by one DECT transmission
RF channel: nominal range of frequencies (RF spectrum) allocated to the DECT transmissions of a single RF carrier
roaming: movement of a PP from one FP coverage area to another FP coverage area, where the capabilities of the FPs
enable the PP to make or receive calls in both areas
roaming service: service which can be used in more than one FP coverage area
RS: value used to establish authentication session keys
NOTE: As defined in clause 4.4.3.
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12 ETSI EN 300 175-1 V1.8.1 (2004-11)
Rivest, Shamir and Adleman (RSA) algorithm: public key algorithm
Secondary Access Rights Identity (SARI): less frequently broadcast than the PARI
security attribute: protocol element indicating security services, mechanisms, processes or algorithms that are
supported
segment: one of the pieces of data that is produced by the process of segmentation
segmentation: process of partitioning one SDU from a higher layer into more than one PDU
Session Key (KS): key which is used only for a single session
service call: call initiated by a DECT PT for entering of FT related service and adjustment procedures in a transparent
way
service provider (telecommunications service provider): individual, or entity, who, or which, interfaces to the
customer in providing telecommunications service
service type A: low speed frame relay, with a net sustainable throughput of up to 24 kbit/s, optimized for burst data,
low power consumption and low complexity applications such as hand-portable equipment
service type B: high performance frame relay, with a net sustainable throughput of up to 552 kbit/s, optimized for high
speed and low latency with burst data
service type C: non-transparent connection of data streams requiring Link Access Protocol (LAP) services, optimized
for high reliability and low additional complexity
service type D: non-transparent service that supports Isochronous Data Bearer Services and is suitable for transparent
transfer of isochronous data streams
service type E: short message transfer or paging service which may be unacknowledged or acknowledged, optimized
for small SDUs, low PP complexity and ultra-low power consumption
service type F: application profile specifically supporting teleservices such as fax, building upon the services offered
by the type A/B and C profiles, optimized for terminal simplicity, spectrum efficiency and network flexibility
sequencing (sequence numbering): process of adding a sequence number to a set of data packets so that the packets
can be reassembled in the correct order, regardless of the order they are received
simplex bearer: simplex bearer is the MAC layer service that is created using one physical channel
Single Radio Fixed Part (SRFP): radio FP that contains only one radio end point
stream cipher: algorithm in which the output is combined bit by bit with plaintext to produce the ciphertext
Subscriber Interface Module (SIM): smart card used for authentication in GSM
subscriber (customer): natural person or juristic person who has subscribed to telecommunication services, and is,
therefore, responsible for payment
subscription registration: infrequent process whereby a subscriber obtains access rights to one or more FPs
Supplementary Service (SS): service that modifies or supplements a basic telecommunication service:
1) DECT TRANSPARENT supplementary services:
- the service elements are unspecified within EN 300 175;
2) DECT STANDARD supplementary services:
- the service elements are specified within EN 300 175 by reference to other standards;
3) DECT SPECIFIC supplementary services:
- the service elements are fully specified within EN 300 175.
ETSI
13 ETSI EN 300 175-1 V1.8.1 (2004-11)
switching: process of interconnecting functional units, transmission channels or telecommunication circuits for as long
as required to convey signals
symmetric algorithm: cryptographic algorithm in which the same key is used for both encipherment and decipherment
synchronization: methods used to ensure that time correspondence exists between processes to ensure that data is not
repeated or lost
synchronous: essential characteristics of time-scales or signals such that their corresponding significant instants occur
at precisely the same average rate
synchronous transmission: transmission using isochronous signals in which the sending and receiving instruments are
operating continuously in a constant time difference between corresponding significant instants
TDMA frame: time-division multiplex of 10 ms duration containing 24 successive full slots
telecommunication: any transmission and/or emission and/or reception of signals representing signs, writings, images,
and sounds or intelligence of any nature by wire, radio, optical or other electromagnetic systems
teleservice: type of telecommunication service that provides the complete capability, including terminal equipment
functions, for communication between users, according to protocols that are established by agreement
Tertiary Access Rights Identity (TARI): available as a Yes/No answer upon a request including the wanted ARI, not
broadcast at all
threat: indication of coming evil
TPUI domain: domain over which every TPUI is (locally) unique
U-plane: user plane of the DECT protocol stacks
up link: transmission in the direction PT to FT
User Authentication Key (UAK): cryptographic key held by a user to prove identity
user (of a telecommunication network): person or machine delegated by a subscriber (by a customer) to use the
services, and/or facilities, of a telecommunication network
variable geometry PP: PP that allows the position and/or orientation of its electro-acoustic transducers and their
associated acoustic components to be changed during all on-line conditions of the PP
Wireless Relay Station (WRS): physical grouping that combines elements of both PTs and FTs to relay information on
a physical channel from one DECT termination to a physical channel to another DECT termination
XRES1: expected response calculated by a Fixed radio Termination (FT)
XRES2: expected response calculated by a Portable radio Termination (PT)
X.25: packet switched network
3.2 Abbreviations
For the purposes of the present document, the following abbreviations apply:
A Algorithm
AC Authentication Code
ACK (positive) ACKnowledgement
ACP Adjacent Channel Power
ADPCM Adaptive Differential Pulse Code Modulation
ADU Adapted Data Unit
ALI Assigned Link Identifier
A-MAP A-field MAP
AMCI Advanced MAC Connection Identifier
ANSI American National Standards Institute
ARC Access Rights Class
ETSI
14 ETSI EN 300 175-1 V1.8.1 (2004-11)
ARD Access Rights Details
ARI Access Rights Identity
ARQ Automatic Repeat reQuest
ASM Assigned link identifier with Synchronous Mode
BCD Binary Coded Decimal
BCT Business Cordless Telephone
B-MAP B-field MAP
BMC Broadcast Message Control
BMCI Basic MAC Connection Identifier
BRAT Basic RATe adaption service
B Slow Broadcast channel (a logical channel to the MAC layer)
S
C higher layer control Channel (see C and C )
S F
C/L ConnectionLess mode
C/O Connection Oriented mode
CBC Connectionless Bearer Control
CBI Collective Broadcast Identifier
CC Call Control
CCF Cluster Control Function
CCFP Central Control Fixed Part
CEP Connection End Point
C higher layer signalling Channel (fast)
F
C , C logical channels to the MAC layer
F S
CHO Connection HandOver
CHP Connection Handover Pending
CI Cell Identity
CI Common Interface (standard)
CISS Call Independent Supplementary Services
CK Cipher Key
CL higher layer ConnectionLess channel (protected; see CL and CL )
S F
CL higher layer ConnectionLess channel (fast), (logical channel to the MAC layer)
F
CLMS ConnectionLess Message Service
CLRR Circuit Loudness Rating, Receiving
CLRS Circuit Loudness Rating, Sending
CL higher layer ConnectionLess channel (slow), (logical channel to the MAC layer)
S
CMC Connectionless Message Control
C-MMS Call control part of MMS
CODEC COder-DECoder
COMS Connection Oriented Message Service
C-plane Control plane
CRC Cyclic Redundancy Check
CRFP Cordless Radio Fixed Part
CRSS Call Related Supplementary Services
C higher layer signalling Channel (slow)
S
CSF Cell Site Function
CSPDN Circuit Switched Public Data Network
CX Co-eXistence standard
DAM DECT Authentication Module
dBc dB relative to the peak power of an unmodulated carrier
DBC Dummy Bearer Control
dBm dB relative to 1 milliwatt
dBm0 the absolute power level in decibels referred to a point of zero relative level
dBr the relative power level in decibels
DCDL-net Distributed Communication DECT Local network
DCK Derived Cipher Key
DCS Dynamic Channel Selection
DLC Data Link Control
DLEI Data Link Endpoint Identifier (DLC layer)
DLI Data Link Identifier (DLC layer)
D-MAP D-field MAP
DNW DECT NetWork
ETSI
15 ETSI EN 300 175-1 V1.8.1 (2004-11)
DSAA DECT Standard Authentication Algorithm
DSC DECT Standard Cipher
DTE Data Terminal Equipment
DTMF Dual Tone Multi-Frequency
E/U-MUX switch between E-type and U-type MUltipleXes
ECN Exchanged Connection Number (DLC/MAC layer)
EIRP Effective Isotropic Radiated Power
ERP Ear Reference Point
ERP Effective Radiated Power
ES End System
FB Frame Buffer (uNprotected)
N
FB Frame Buffer (Protected)
P
FEC Forward Error Correction service
FLEN Frame LENgth
FMID Fixed part MAC IDentity
FP DECT Fixed Part
FREL Frame RELay service
FSWI Frame SWItching service
FT Fixed radio Termination
GAP Generic Access Profile
GBN Go Back N
G higher layer information control channel (a logical channel to the MAC layer)
F
GFSK Gaussian Frequency Shift Keying
GMSK Gaussian Minimum Shift Keying
GNW Global NetWork
GSM Global System for Mobile communications
HDB Home Data Base
HOV HandOver flag
HyP Hybrid Part
I higher layer Information channel (see I and I )
N P
IA5 International Alphabet No. 5 as defined by ITU-T
IFEI International Fixed Equipment Identity
I higher layer Information channel (uNprotected), (logical channels to the MAC layer)
N
I higher layer Information channel (Protected), (logical channels to the MAC layer)
P
IP Internet Protocol
IPEI International Portable Equipment Identity
IPUI International Portable User Identity
IPv4 Internet Protocol Version 4
IPv6 Internet Protocol Version 6
IRC Idle Receiver Control
ISDN Integrated Services Digital Network
ISM Industrial, Scientific and Medical
IUT Implementation Under Test
IV Initial Vector
IWF InterWorking Functions
IWU InterWorking Unit
K authentication Key
KS' FT authentication Session Key
KS PT authentication Session Key
KSG Key Stream Generator
KSS Key Stream Segment
LAL Location Area Level
LAN Local Area Network
LAPC a DLC layer C-plane protocol entity
LAP-U Link Access Procedure (U-plane) (a service offered by LU3)
Lb a DLC layer C-plane protocol entity
LBN Logical Bearer Number
Lc a DLC layer C-plane protocol entity
LCE Link Control Entity
LCN Logical Connection Number (DLC/MAC layer)
ETSI
16 ETSI EN 300 175-1 V1.8.1 (2004-11)
LLe Local echo Loss
LLME Lower Layer Management Entity
LLN Logical Link Number (DLC layer)
LNW Local NetWork
LRMS Low Rate Messaging Service
LRMS-PTM Low Rate Messaging Service, Point To Multi-point
LRMS-PTP Low Rate Messaging Service, Point To Point
LSB Least Significant Bit
LSTR Listener SideTone Rating
LT Lower Tester
M MAC control channel
MAC Medium Access Control layer
MAP bit MAPpings
MBC Multi-Bearer Control
MCEI MAC Connection Endpoint Identification
MCI MAC Connection Identifier
MCS Multi-Channel Set
MDU Multiplexed Data Unit
MM Mobility Management
M-MMS Messaging part of MMS
MMS Multimedia Messaging Service
MMSP Multimedia Messaging Service Protocol
MRP Mouth Reference Point
MSB Most Significant Bit
MSC Mobile Switching Centre
MUX time MUltipleXor
N identities channel
NACK Negative ACKnowledgement
NLF New Link Flag
NLP Non-Linear Processor
NLR No Link Required
NTP Normal Transmitted Powe
...
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