Digital Enhanced Cordless Telecommunications (DECT); General terminal attachment requirements: Telephony applications

To update TBR 10 based upon the work on GAP/PAP and comments received.

Radijska oprema in sistemi (RES) - Digitalne izboljšane brezvrvične telekomunikacije (DECT) - Splošne zahteve za priključevanje terminala: Aplikacije v telefoniji

General Information

Status
Published
Publication Date
31-May-2000
Current Stage
6060 - National Implementation/Publication (Adopted Project)
Start Date
01-Jun-2000
Due Date
01-Jun-2000
Completion Date
01-Jun-2000
Mandate

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SLOVENSKI STANDARD
3SIST TBR 010:
01-DYJXVW
5DGLMVNDRSUHPDLQVLVWHPL 5(6 'LJLWDOQHL]EROMãDQHEUH]YUYLþQH

WHOHNRPXQLNDFLMH '(&7 6SORãQH]DKWHYH]DSULNOMXþHYDQMHWHUPLQDOD$SOLNDFLMH

YWHOHIRQLML
Digital Enhanced Cordless Telecommunications (DECT); General terminal attachment
requirements: Telephony applications
Ta slovenski standard je istoveten z: TBR 010 Edition 2
ICS:
33.070.30 'LJLWDOQHL]EROMãDQH Digital Enhanced Cordless
EUH]YUYLþQHWHOHNRPXQLNDFLMH Telecommunications (DECT)
'(&7
3SIST TBR 010: en

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

---------------------- Page: 1 ----------------------
SIST TBR 010:2000
---------------------- Page: 2 ----------------------
SIST TBR 010:2000
TECHNICAL TBR 10
BASIS for January 1997
REGULATION Second Edition
Source: ETSI TC-RES Reference: RTBR/RES-03052
ICS: 33.020
Key words: DECT, radio, testing, type approval
Radio Equipment and Systems (RES);
Digital Enhanced Cordless Telecommunications (DECT);
General terminal attachment requirements:
Telephony applications
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 4 92 94 42 00 - Fax: +33 4 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 1997. All rights reserved.
---------------------- Page: 3 ----------------------
SIST TBR 010:2000
Page 2
TBR 10: January 1997

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.

---------------------- Page: 4 ----------------------
SIST TBR 010:2000
Page 3
TBR 10: January 1997
Contents

Foreword .......................................................................................................................................................7

1 Scope ..................................................................................................................................................9

2 Normative references..........................................................................................................................9

3 Definitions and abbreviations ............................................................................................................11

3.1 Definitions ..........................................................................................................................11

3.2 Abbreviations .....................................................................................................................13

4 Interpretation of the measurement results ........................................................................................13

5 General test requirements.................................................................................................................14

5.1 Test philosophy..................................................................................................................14

5.1.1 Equipment supporting an ETSI approved profile...........................................14

5.1.2 Equipment not supporting an ETSI approved profile.....................................15

5.1.3 Applicant's declaration...................................................................................15

5.2 Low noise room..................................................................................................................15

5.3 Lower Tester (LT) ..............................................................................................................16

5.3.1 Description ....................................................................................................16

5.3.2 Connections between the EUT and the LT ...................................................16

5.3.3 Functions and abilities...................................................................................16

5.3.4 Measurement uncertainty..............................................................................16

6 General testing conditions.................................................................................................................16

6.1 Environment for tests.........................................................................................................16

6.2 Power supply limitations ....................................................................................................16

6.3 Power source.....................................................................................................................17

7 Speech and telephony tests ..............................................................................................................17

7.1 Test configurations ............................................................................................................17

7.1.1 General..........................................................................................................17

7.1.2 Testing a DECT system ................................................................................17

7.1.3 Testing a separate PP or FP.........................................................................17

7.1.4 Reference FP (ReFP) and reference PP (RePP)..........................................18

7.1.5 Applicability of tests.......................................................................................19

7.2 Digital signal level ..............................................................................................................19

7.3 General conditions of test ..................................................................................................20

7.4 Ideal codec.........................................................................................................................20

7.5 Electro-acoustical equipment.............................................................................................21

7.6 Speech coding scheme .....................................................................................................21

7.6.1 Requirement for speech coding algorithm ....................................................21

7.6.2 Applicant's declaration on speech coding algorithm .....................................21

7.6.3 Requirement for the TAP in the FP ...............................................................21

7.6.4 Applicant's declaration on the TAP in the FP ................................................21

7.7 PP sending frequency response........................................................................................22

7.7.1 Requirement..................................................................................................22

7.7.2 Method of measurement ...............................................................................22

7.8 PP receiving frequency response ......................................................................................22

7.8.1 Requirement..................................................................................................22

7.8.2 Method of measurement ...............................................................................23

7.9 PP loudness rating.............................................................................................................23

7.9.1 Requirement..................................................................................................23

7.9.2 Method of measurement ...............................................................................23

7.9.2.1 SLR ...................................................................................23

7.9.2.2 RLR ...................................................................................23

7.10 User controlled volume control in the PP...........................................................................23

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TBR 10: January 1997

7.10.1 Requirement ................................................................................................. 23

7.10.2 Method of measurement............................................................................... 24

7.10.2.1 SLR ................................................................................... 24

7.10.2.2 RLR .................................................................................. 24

7.11 PP talker sidetone masking rating..................................................................................... 24

7.11.1 Requirement ................................................................................................. 24

7.11.2 Method of measurement............................................................................... 24

7.12 Listener SideTone (LST) ................................................................................................... 25

7.12.1 LSTR requirement ........................................................................................ 25

7.12.2 Protocol requirement for EUTs with declared noise rejection capability....... 25

7.12.3 Method of measurement for LSTR ............................................................... 25

7.12.4 Method of measurement for the protocol requirement for EUTs with

declared noise rejection capability applying to be approved separately ....... 26

7.12.5 Applicant's declaration for the protocol requirement for EUTs applying to

be approved as a DECT system................................................................... 26

7.13 Terminal Coupling Loss (TCLw) of a PP........................................................................... 26

7.13.1 TCLw requirement ........................................................................................ 26

7.13.2 Protocol requirement .................................................................................... 26

7.13.3 Method of measurement for TCLw for a PP being approved separately...... 26

7.13.4 Method of measurement for TCLw for a PP being approved as part of a

DECT system................................................................................................ 27

7.13.5 Method of measurement for the protocol requirement for EUTs applying

to be approved separately ............................................................................ 27

7.13.6 Applicant's declaration for the protocol requirement for EUTs applying to

be approved as a DECT system................................................................... 27

7.14 FP echo control functions with a 4-wire interface.............................................................. 28

7.14.1 Static requirements....................................................................................... 28

7.14.2 Dynamic requirements.................................................................................. 28

7.14.2.1 Minimum TCLw................................................................... 28

7.14.2.2 Full TCLw............................................................................ 28

7.14.3 Artificial echo loss of a FP with a 4-wire interface ........................................ 28

7.14.3.1 Requirement for artificial echo loss..................................... 28

7.14.3.2 Requirement for the ability to disable the artificial echo

loss...................................................................................... 29

7.14.3.3 Method of measurement of artificial echo loss ................... 29
7.14.3.4 Method of measurement for ability to disable artificial

echo loss............................................................................. 29

7.14.3.4.1 EUTs being approved as separate
items..................................................... 29
7.14.3.4.2 EUTs being approved as a DECT
system with a PP having full TCLw ...... 29

7.14.4 Echo control device of a FP with a 4-wire interface...................................... 29

7.14.4.1 Requirement for the echo control device ............................ 29
7.14.4.2 Requirement for the ability to disable the echo control

device.................................................................................. 29

7.14.4.3 Method of measurement for the echo control device.......... 30
7.14.4.4 Method of measurement for the ability to disable the echo

control function.................................................................... 30

7.14.4.4.1 EUTs being approved as separate
items..................................................... 30
7.14.4.4.2 EUTs being approved as a DECT
system with a PP having full TCLw ...... 30

7.15 Stability loss - fixed geometry............................................................................................ 30

7.15.1 Requirement ................................................................................................. 30

7.15.2 Method of measurement............................................................................... 31

7.16 Stability loss variable geometry......................................................................................... 31

7.16.1 Requirement ................................................................................................. 31

7.16.2 Method of measurement............................................................................... 31

7.17 Sending distortion.............................................................................................................. 31

7.17.1 Requirement ................................................................................................. 31

7.17.2 Method of measurement............................................................................... 31

7.18 Receiving distortion........................................................................................................... 32

7.18.1 Requirement ................................................................................................. 32

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TBR 10: January 1997

7.18.2 Method of measurement ...............................................................................32

7.19 Side tone distortion ............................................................................................................32

7.19.1 Requirement..................................................................................................32

7.19.2 Method of measurement ...............................................................................32

7.20 Out of band (sending) ........................................................................................................32

7.20.1 Requirement..................................................................................................32

7.20.2 Method of measurement ...............................................................................33

7.21 Out of band (receiving) ......................................................................................................33

7.21.1 Requirement..................................................................................................33

7.21.2 Method of measurement ...............................................................................33

7.22 Sending noise ....................................................................................................................33

7.22.1 Requirement..................................................................................................33

7.22.2 Method of measurement ...............................................................................33

7.23 Sending noise (narrow band).............................................................................................33

7.23.1 Requirement..................................................................................................33

7.23.2 Method of measurement ...............................................................................34

7.24 Receiving noise..................................................................................................................34

7.24.1 Requirement..................................................................................................34

7.24.2 Method of measurement ...............................................................................34

7.25 Sampling frequency level (receiving).................................................................................34

7.25.1 Requirement..................................................................................................34

7.25.2 Method of measurement ...............................................................................34

7.26 Acoustic shock...................................................................................................................34

7.27 DECT network delay..........................................................................................................34

7.27.1 Requirement..................................................................................................34

7.27.2 Method of measurement ...............................................................................35

7.28 PP delay.............................................................................................................................36

7.28.1 Requirement..................................................................................................36

7.28.2 Method of measurement ...............................................................................36

7.29 FP delay.............................................................................................................................37

7.29.1 Requirement..................................................................................................37

7.29.2 Method of measurement ...............................................................................37

7.30 Echo control at the network side........................................................................................39

7.30.1 Requirement..................................................................................................39

7.30.2 Method of measurement ...............................................................................39

7.30.2.1 4-wire interface ....................................................................39

7.30.2.2 Analogue 2-wire interface....................................................40

7.30.2.2.1 Requirement 1 ......................................40
7.30.2.2.2 Requirement 2 ......................................41

7.31 Variation of gain with input level- sending..........................................................................42

7.31.1 Requirement..................................................................................................42

7.31.2 Method of measurement ...............................................................................42

7.32 Variation of gain with input level- receiving........................................................................43

7.32.1 Requirement..................................................................................................43

7.32.2 Method of measurement ...............................................................................43

8 Loudspeaking and handsfree telephony ...........................................................................................43

Annex A (informative): Essential requirement justification......................................................................44

Annex B (informative): Description of the CSS .......................................................................................45

B.1 General..............................................................................................................................................45

B.2 Test signal.........................................................................................................................................45

B.3 Measurement ....................................................................................................................................46

B.4 Calculation.........................................................................................................................................47

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TBR 10: January 1997

Annex C (normative): Description of the cross-correlation method ...................................................... 49

C.1 Test signal ........................................................................................................................................ 49

C.2 Calculation ........................................................................................................................................ 49

Annex D (informative): Acoustic shock requirements............................................................................. 50

D.1 Continuous signal ............................................................................................................................. 50

D.2 Peak signal ....................................................................................................................................... 50

Annex E (informative): Bibliography ....................................................................................................... 51

History......................................................................................................................................................... 52

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SIST TBR 010:2000
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TBR 10: January 1997
Foreword

This 2nd edition Technical Basis for Regulation (TBR) has been produced by the Radio Equipment and

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

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Page 8
TBR 10: January 1997
Blank page
---------------------- Page: 10 ----------------------
SIST TBR 010:2000
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TBR 10: January 1997
1 Scope

This Technical Basis for Regulation (TBR) specifies the technical characteristics particular to telephony

applications provided by terminal equipment which is capable of connection to a public

telecommunications network and which uses Digital European Cordless Telecommunications (DECT).

The cordless transmissions for such terminal equipment operate within the frequency band

1 880 - 1 900 MHz.

The objective of this TBR is to ensure interworking of terminal equipment via the public network.

The requirements in this TBR apply in addition to the attachment requirements for the appropriate public

network (see note) and the TBR for DECT general attachment requirements.

NOTE: TBR for basic ISDN, TBR for primary rate ISDN, or national regulations (implementing

ETS 300 001 [1]) for Public Switched Telephone Network (PSTN). Interconnection of a

DECT terminal to a GSM network is still under study; in due course, the scope
statement may need amending to reflect this point.

This TBR is applicable to simple telephony terminals as well as to the telephony function of multi-function

or multi-service terminals.

This TBR includes the speech quality and transmission requirements for a 3,1 kHz telephony teleservice.

For each requirement in this TBR, a test is given, including measurement methods. The terminal

equipment may be stimulated to perform the tests by additional equipment if necessary.

This TBR is not applicable to terminal equipment specially designed for the disabled (e.g. with

amplification of received speech as an aid for the hard-of-hearing).

DECT comprises two equipment elements, referred to as a Fixed Part (FP) and a Portable Part (PP). This

TBR is structured to allow type approval of either a) the FP and PP together, or b) the FP and PP as

separate items. Where the DECT FP is connected to a PSTN, and there are any national peculiarities in

the requirements for voice telephony, these shall be accommodated within the FP.
2 Normative references

This TBR 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 TBR only when incorporated in it by amendment or revision. For undated references the

latest edition of the publication referred to applies.
[1] ETS 300 001 (1992): "Attachments to Public Switched Telephone Network
(PSTN); General technical requirements for equipment connected to an
analogue subscriber interface in the PSTN (NET 4)".
[2] TBR 8 (1994): "Integrated Services Digital Network (ISDN); Telephony 3,1 kHz
teleservice; Attachment requirements for handset terminals".
[3] ETS 300 111: "Integrated Services Digital Network (ISDN); Telephony 3,1 kHz
teleservice; Service description".
[4] ETS 300 175-1: "Radio Equipment and Systems (RES); Digital European
Cordless Telecommunications (DECT); Common Interface (CI); Part 1:
Overview".
[5] ETS 300 175-2: "Radio Equipment and Systems (RES); Digital European
Cordless Telecommunications (DECT); Common Interface (CI); Part 2: Physical
Layer".
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SIST TBR 010:2000
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TBR 10: January 1997
[6] ETS 300 175-3: "Radio Equipment and Systems (RES); Digital European
Cordless Telecommunications (DECT); Common Interface (CI); Part 3: Medium
Access Control (MAC) layer".
[7] ETS 300 175-4: "Radio Equipment and Systems (RES); Digital European
Cordless Telecommunications (DECT); Common Interface (CI); Part 4: Data
Link Control (DLC) layer".
[8] ETS 300 175-5: "Radio Equipment and Systems (RES); Digital European
Cordless Telecommunications (DECT); Common Interface (CI); Part 5: Network
(NWK) layer".
[9] ETS 300 175-6: "Radio Equipment and Systems (RES); Digital European
Cordless Telecommunications (DECT); Common Interface (CI); Part 6:
Identities and addressing".
[10] ETS 300 175-7: "Radio Equipment and Systems (RES); Digital European
Cordless Telecommunications (DECT); Common Interface (CI); Part 7: Security
features".
[11] ETS 300 175-8: "Radio Equipment and Systems (RES); Digital European
Cordless Telecommunications (DECT); Common Interface (CI); Part 8: Speech
coding and transmission".
[12] ETS 300 175-9: "Radio Equipment and Systems (RES); Digital European
Cordless Telecommunications (DECT); Common Interface (CI); Part 9: Public
Access Profile (PAP)".
[13] ETS 300 444: "Radio Equipment and Systems (RES); Digital European
Cordless Telecommunications (DECT); Generic Access Profile (GAP)".
[14] TBR 3: "Integrated Services Digital Network (ISDN); Attachment requirements
for terminal equipment to connect to an ISDN using ISDN basic access".

[15] 73/23/EEC: "Council Directive of 19 February 1973 on the harmonization of the

laws of the Member States relating to electrical equipment designed for use
within certain voltage limits" (Low Voltage Directive).
[16] 91/263/EEC: "Council Directive of 29 April 1991 on the approximation of the
laws of the Member States concerning telecommunications terminal equipment,
including the mutual recognition of their conformity" (Terminal Directive).
[17] CCITT Recommendation G.101 (1988): "The transmission plan".
[18] ITU-T Recommendation G.111: "Loudness ratings (LRs) in an international
connection".
[19] CCITT Recommendation G.122 (1988): "Influence of national systems on
stability talker echo in international connections".
[20] CCITT Recommendation G.223 (1988): "Assumptions for the calculation of
noise on hypothetical reference circuits for telephony".
[21] CCITT Recommendation G.711 (1988): "Pulse code modulation (PCM) of voice
frequencies".
[22] CCITT Recommendation G.712 (1992): "Transmission performance character-
istics of pulse code modulation".
[23] CCITT Recommendation G.726 (1991): "40, 32, 24, 16 kbit/s adaptive
differential pulse code modulation (ADPCM)".
---------------------- Page: 12 ----------------------
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TBR 10: January 1997
[24] CCITT Recommendation O.132 (1988): "Quantizing distortion measuring
equipment using a sinusoidal test signal".
[25] CCITT Recommendation O.133 (1988): "Equipment for measuring the
performance of PCM encoders and decoders".
[26] ITU-T Recommendation P.50 (1993): "Artificial voices".
[27] ITU-T Recommendation P.51 (1993): "Artificial mouth".
[28] ITU-T Recommendation P.57 (1993): "Artificial ears".
[29] ITU-T Recommendation P.64 (1993): "Determination of sensitivity/frequency
characteristics of local telephone systems".
[30] ITU-T Recommendation P.79 (1993): "Calculation of loudness ratings for
telephone sets".
[31] IEC 651: "Sound level meters".
[32] ISO 3 (1973): "Preferred numbers - series of preferred numbers".
[33] ISO DIS 9614: "Acoustics - Determination of sound power levels of noise
sources using sound intensity".
3 Definitions and abbreviations
3.1 Definitions
For the purposes of this TBR, the following definitions apply:

Acoustic Reference Level (ARL): The acoustic level that corresponds to a power level of -10 dBm0 at

the TAP.

conducted measurements: Measurements which are made using a direct connection to the Equipment

Under Test (EUT).
dBPa: Sound pressure level relative to 1 Pa (no weighting).
duplex bearer: The use of two simplex
...

SLOVENSKI STANDARD
SIST TBR 010:2000
01-junij-2000
5DGLMVNDRSUHPDLQVLVWHPL 5(6 'LJLWDOQHL]EROMãDQHEUH]YUYLþQH

WHOHNRPXQLNDFLMH '(&7 6SORãQH]DKWHYH]DSULNOMXþHYDQMHWHUPLQDOD$SOLNDFLMH

YWHOHIRQLML
Digital Enhanced Cordless Telecommunications (DECT); General terminal attachment
requirements: Telephony applications
Ta slovenski standard je istoveten z: TBR 010 Edition 2
ICS:
33.070.30 'LJLWDOQHL]EROMãDQH Digital Enhanced Cordless
EUH]YUYLþQHWHOHNRPXQLNDFLMH Telecommunications (DECT)
'(&7
SIST TBR 010:2000 en

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

---------------------- Page: 1 ----------------------
SIST TBR 010:2000
---------------------- Page: 2 ----------------------
SIST TBR 010:2000
TECHNICAL TBR 10
BASIS for January 1997
REGULATION Second Edition
Source: ETSI TC-RES Reference: RTBR/RES-03052
ICS: 33.020
Key words: DECT, radio, testing, type approval
Radio Equipment and Systems (RES);
Digital Enhanced Cordless Telecommunications (DECT);
General terminal attachment requirements:
Telephony applications
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 4 92 94 42 00 - Fax: +33 4 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 1997. All rights reserved.
---------------------- Page: 3 ----------------------
SIST TBR 010:2000
Page 2
TBR 10: January 1997

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.

---------------------- Page: 4 ----------------------
SIST TBR 010:2000
Page 3
TBR 10: January 1997
Contents

Foreword .......................................................................................................................................................7

1 Scope ..................................................................................................................................................9

2 Normative references..........................................................................................................................9

3 Definitions and abbreviations ............................................................................................................11

3.1 Definitions ..........................................................................................................................11

3.2 Abbreviations .....................................................................................................................13

4 Interpretation of the measurement results ........................................................................................13

5 General test requirements.................................................................................................................14

5.1 Test philosophy..................................................................................................................14

5.1.1 Equipment supporting an ETSI approved profile...........................................14

5.1.2 Equipment not supporting an ETSI approved profile.....................................15

5.1.3 Applicant's declaration...................................................................................15

5.2 Low noise room..................................................................................................................15

5.3 Lower Tester (LT) ..............................................................................................................16

5.3.1 Description ....................................................................................................16

5.3.2 Connections between the EUT and the LT ...................................................16

5.3.3 Functions and abilities...................................................................................16

5.3.4 Measurement uncertainty..............................................................................16

6 General testing conditions.................................................................................................................16

6.1 Environment for tests.........................................................................................................16

6.2 Power supply limitations ....................................................................................................16

6.3 Power source.....................................................................................................................17

7 Speech and telephony tests ..............................................................................................................17

7.1 Test configurations ............................................................................................................17

7.1.1 General..........................................................................................................17

7.1.2 Testing a DECT system ................................................................................17

7.1.3 Testing a separate PP or FP.........................................................................17

7.1.4 Reference FP (ReFP) and reference PP (RePP)..........................................18

7.1.5 Applicability of tests.......................................................................................19

7.2 Digital signal level ..............................................................................................................19

7.3 General conditions of test ..................................................................................................20

7.4 Ideal codec.........................................................................................................................20

7.5 Electro-acoustical equipment.............................................................................................21

7.6 Speech coding scheme .....................................................................................................21

7.6.1 Requirement for speech coding algorithm ....................................................21

7.6.2 Applicant's declaration on speech coding algorithm .....................................21

7.6.3 Requirement for the TAP in the FP ...............................................................21

7.6.4 Applicant's declaration on the TAP in the FP ................................................21

7.7 PP sending frequency response........................................................................................22

7.7.1 Requirement..................................................................................................22

7.7.2 Method of measurement ...............................................................................22

7.8 PP receiving frequency response ......................................................................................22

7.8.1 Requirement..................................................................................................22

7.8.2 Method of measurement ...............................................................................23

7.9 PP loudness rating.............................................................................................................23

7.9.1 Requirement..................................................................................................23

7.9.2 Method of measurement ...............................................................................23

7.9.2.1 SLR ...................................................................................23

7.9.2.2 RLR ...................................................................................23

7.10 User controlled volume control in the PP...........................................................................23

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TBR 10: January 1997

7.10.1 Requirement ................................................................................................. 23

7.10.2 Method of measurement............................................................................... 24

7.10.2.1 SLR ................................................................................... 24

7.10.2.2 RLR .................................................................................. 24

7.11 PP talker sidetone masking rating..................................................................................... 24

7.11.1 Requirement ................................................................................................. 24

7.11.2 Method of measurement............................................................................... 24

7.12 Listener SideTone (LST) ................................................................................................... 25

7.12.1 LSTR requirement ........................................................................................ 25

7.12.2 Protocol requirement for EUTs with declared noise rejection capability....... 25

7.12.3 Method of measurement for LSTR ............................................................... 25

7.12.4 Method of measurement for the protocol requirement for EUTs with

declared noise rejection capability applying to be approved separately ....... 26

7.12.5 Applicant's declaration for the protocol requirement for EUTs applying to

be approved as a DECT system................................................................... 26

7.13 Terminal Coupling Loss (TCLw) of a PP........................................................................... 26

7.13.1 TCLw requirement ........................................................................................ 26

7.13.2 Protocol requirement .................................................................................... 26

7.13.3 Method of measurement for TCLw for a PP being approved separately...... 26

7.13.4 Method of measurement for TCLw for a PP being approved as part of a

DECT system................................................................................................ 27

7.13.5 Method of measurement for the protocol requirement for EUTs applying

to be approved separately ............................................................................ 27

7.13.6 Applicant's declaration for the protocol requirement for EUTs applying to

be approved as a DECT system................................................................... 27

7.14 FP echo control functions with a 4-wire interface.............................................................. 28

7.14.1 Static requirements....................................................................................... 28

7.14.2 Dynamic requirements.................................................................................. 28

7.14.2.1 Minimum TCLw................................................................... 28

7.14.2.2 Full TCLw............................................................................ 28

7.14.3 Artificial echo loss of a FP with a 4-wire interface ........................................ 28

7.14.3.1 Requirement for artificial echo loss..................................... 28

7.14.3.2 Requirement for the ability to disable the artificial echo

loss...................................................................................... 29

7.14.3.3 Method of measurement of artificial echo loss ................... 29
7.14.3.4 Method of measurement for ability to disable artificial

echo loss............................................................................. 29

7.14.3.4.1 EUTs being approved as separate
items..................................................... 29
7.14.3.4.2 EUTs being approved as a DECT
system with a PP having full TCLw ...... 29

7.14.4 Echo control device of a FP with a 4-wire interface...................................... 29

7.14.4.1 Requirement for the echo control device ............................ 29
7.14.4.2 Requirement for the ability to disable the echo control

device.................................................................................. 29

7.14.4.3 Method of measurement for the echo control device.......... 30
7.14.4.4 Method of measurement for the ability to disable the echo

control function.................................................................... 30

7.14.4.4.1 EUTs being approved as separate
items..................................................... 30
7.14.4.4.2 EUTs being approved as a DECT
system with a PP having full TCLw ...... 30

7.15 Stability loss - fixed geometry............................................................................................ 30

7.15.1 Requirement ................................................................................................. 30

7.15.2 Method of measurement............................................................................... 31

7.16 Stability loss variable geometry......................................................................................... 31

7.16.1 Requirement ................................................................................................. 31

7.16.2 Method of measurement............................................................................... 31

7.17 Sending distortion.............................................................................................................. 31

7.17.1 Requirement ................................................................................................. 31

7.17.2 Method of measurement............................................................................... 31

7.18 Receiving distortion........................................................................................................... 32

7.18.1 Requirement ................................................................................................. 32

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7.18.2 Method of measurement ...............................................................................32

7.19 Side tone distortion ............................................................................................................32

7.19.1 Requirement..................................................................................................32

7.19.2 Method of measurement ...............................................................................32

7.20 Out of band (sending) ........................................................................................................32

7.20.1 Requirement..................................................................................................32

7.20.2 Method of measurement ...............................................................................33

7.21 Out of band (receiving) ......................................................................................................33

7.21.1 Requirement..................................................................................................33

7.21.2 Method of measurement ...............................................................................33

7.22 Sending noise ....................................................................................................................33

7.22.1 Requirement..................................................................................................33

7.22.2 Method of measurement ...............................................................................33

7.23 Sending noise (narrow band).............................................................................................33

7.23.1 Requirement..................................................................................................33

7.23.2 Method of measurement ...............................................................................34

7.24 Receiving noise..................................................................................................................34

7.24.1 Requirement..................................................................................................34

7.24.2 Method of measurement ...............................................................................34

7.25 Sampling frequency level (receiving).................................................................................34

7.25.1 Requirement..................................................................................................34

7.25.2 Method of measurement ...............................................................................34

7.26 Acoustic shock...................................................................................................................34

7.27 DECT network delay..........................................................................................................34

7.27.1 Requirement..................................................................................................34

7.27.2 Method of measurement ...............................................................................35

7.28 PP delay.............................................................................................................................36

7.28.1 Requirement..................................................................................................36

7.28.2 Method of measurement ...............................................................................36

7.29 FP delay.............................................................................................................................37

7.29.1 Requirement..................................................................................................37

7.29.2 Method of measurement ...............................................................................37

7.30 Echo control at the network side........................................................................................39

7.30.1 Requirement..................................................................................................39

7.30.2 Method of measurement ...............................................................................39

7.30.2.1 4-wire interface ....................................................................39

7.30.2.2 Analogue 2-wire interface....................................................40

7.30.2.2.1 Requirement 1 ......................................40
7.30.2.2.2 Requirement 2 ......................................41

7.31 Variation of gain with input level- sending..........................................................................42

7.31.1 Requirement..................................................................................................42

7.31.2 Method of measurement ...............................................................................42

7.32 Variation of gain with input level- receiving........................................................................43

7.32.1 Requirement..................................................................................................43

7.32.2 Method of measurement ...............................................................................43

8 Loudspeaking and handsfree telephony ...........................................................................................43

Annex A (informative): Essential requirement justification......................................................................44

Annex B (informative): Description of the CSS .......................................................................................45

B.1 General..............................................................................................................................................45

B.2 Test signal.........................................................................................................................................45

B.3 Measurement ....................................................................................................................................46

B.4 Calculation.........................................................................................................................................47

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Annex C (normative): Description of the cross-correlation method ...................................................... 49

C.1 Test signal ........................................................................................................................................ 49

C.2 Calculation ........................................................................................................................................ 49

Annex D (informative): Acoustic shock requirements............................................................................. 50

D.1 Continuous signal ............................................................................................................................. 50

D.2 Peak signal ....................................................................................................................................... 50

Annex E (informative): Bibliography ....................................................................................................... 51

History......................................................................................................................................................... 52

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Foreword

This 2nd edition Technical Basis for Regulation (TBR) has been produced by the Radio Equipment and

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

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1 Scope

This Technical Basis for Regulation (TBR) specifies the technical characteristics particular to telephony

applications provided by terminal equipment which is capable of connection to a public

telecommunications network and which uses Digital European Cordless Telecommunications (DECT).

The cordless transmissions for such terminal equipment operate within the frequency band

1 880 - 1 900 MHz.

The objective of this TBR is to ensure interworking of terminal equipment via the public network.

The requirements in this TBR apply in addition to the attachment requirements for the appropriate public

network (see note) and the TBR for DECT general attachment requirements.

NOTE: TBR for basic ISDN, TBR for primary rate ISDN, or national regulations (implementing

ETS 300 001 [1]) for Public Switched Telephone Network (PSTN). Interconnection of a

DECT terminal to a GSM network is still under study; in due course, the scope
statement may need amending to reflect this point.

This TBR is applicable to simple telephony terminals as well as to the telephony function of multi-function

or multi-service terminals.

This TBR includes the speech quality and transmission requirements for a 3,1 kHz telephony teleservice.

For each requirement in this TBR, a test is given, including measurement methods. The terminal

equipment may be stimulated to perform the tests by additional equipment if necessary.

This TBR is not applicable to terminal equipment specially designed for the disabled (e.g. with

amplification of received speech as an aid for the hard-of-hearing).

DECT comprises two equipment elements, referred to as a Fixed Part (FP) and a Portable Part (PP). This

TBR is structured to allow type approval of either a) the FP and PP together, or b) the FP and PP as

separate items. Where the DECT FP is connected to a PSTN, and there are any national peculiarities in

the requirements for voice telephony, these shall be accommodated within the FP.
2 Normative references

This TBR 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 TBR only when incorporated in it by amendment or revision. For undated references the

latest edition of the publication referred to applies.
[1] ETS 300 001 (1992): "Attachments to Public Switched Telephone Network
(PSTN); General technical requirements for equipment connected to an
analogue subscriber interface in the PSTN (NET 4)".
[2] TBR 8 (1994): "Integrated Services Digital Network (ISDN); Telephony 3,1 kHz
teleservice; Attachment requirements for handset terminals".
[3] ETS 300 111: "Integrated Services Digital Network (ISDN); Telephony 3,1 kHz
teleservice; Service description".
[4] ETS 300 175-1: "Radio Equipment and Systems (RES); Digital European
Cordless Telecommunications (DECT); Common Interface (CI); Part 1:
Overview".
[5] ETS 300 175-2: "Radio Equipment and Systems (RES); Digital European
Cordless Telecommunications (DECT); Common Interface (CI); Part 2: Physical
Layer".
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[6] ETS 300 175-3: "Radio Equipment and Systems (RES); Digital European
Cordless Telecommunications (DECT); Common Interface (CI); Part 3: Medium
Access Control (MAC) layer".
[7] ETS 300 175-4: "Radio Equipment and Systems (RES); Digital European
Cordless Telecommunications (DECT); Common Interface (CI); Part 4: Data
Link Control (DLC) layer".
[8] ETS 300 175-5: "Radio Equipment and Systems (RES); Digital European
Cordless Telecommunications (DECT); Common Interface (CI); Part 5: Network
(NWK) layer".
[9] ETS 300 175-6: "Radio Equipment and Systems (RES); Digital European
Cordless Telecommunications (DECT); Common Interface (CI); Part 6:
Identities and addressing".
[10] ETS 300 175-7: "Radio Equipment and Systems (RES); Digital European
Cordless Telecommunications (DECT); Common Interface (CI); Part 7: Security
features".
[11] ETS 300 175-8: "Radio Equipment and Systems (RES); Digital European
Cordless Telecommunications (DECT); Common Interface (CI); Part 8: Speech
coding and transmission".
[12] ETS 300 175-9: "Radio Equipment and Systems (RES); Digital European
Cordless Telecommunications (DECT); Common Interface (CI); Part 9: Public
Access Profile (PAP)".
[13] ETS 300 444: "Radio Equipment and Systems (RES); Digital European
Cordless Telecommunications (DECT); Generic Access Profile (GAP)".
[14] TBR 3: "Integrated Services Digital Network (ISDN); Attachment requirements
for terminal equipment to connect to an ISDN using ISDN basic access".

[15] 73/23/EEC: "Council Directive of 19 February 1973 on the harmonization of the

laws of the Member States relating to electrical equipment designed for use
within certain voltage limits" (Low Voltage Directive).
[16] 91/263/EEC: "Council Directive of 29 April 1991 on the approximation of the
laws of the Member States concerning telecommunications terminal equipment,
including the mutual recognition of their conformity" (Terminal Directive).
[17] CCITT Recommendation G.101 (1988): "The transmission plan".
[18] ITU-T Recommendation G.111: "Loudness ratings (LRs) in an international
connection".
[19] CCITT Recommendation G.122 (1988): "Influence of national systems on
stability talker echo in international connections".
[20] CCITT Recommendation G.223 (1988): "Assumptions for the calculation of
noise on hypothetical reference circuits for telephony".
[21] CCITT Recommendation G.711 (1988): "Pulse code modulation (PCM) of voice
frequencies".
[22] CCITT Recommendation G.712 (1992): "Transmission performance character-
istics of pulse code modulation".
[23] CCITT Recommendation G.726 (1991): "40, 32, 24, 16 kbit/s adaptive
differential pulse code modulation (ADPCM)".
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[24] CCITT Recommendation O.132 (1988): "Quantizing distortion measuring
equipment using a sinusoidal test signal".
[25] CCITT Recommendation O.133 (1988): "Equipment for measuring the
performance of PCM encoders and decoders".
[26] ITU-T Recommendation P.50 (1993): "Artificial voices".
[27] ITU-T Recommendation P.51 (1993): "Artificial mouth".
[28] ITU-T Recommendation P.57 (1993): "Artificial ears".
[29] ITU-T Recommendation P.64 (1993): "Determination of sensitivity/frequency
characteristics of local telephone systems".
[30] ITU-T Recommendation P.79 (1993): "Calculation of loudness ratings for
telephone sets".
[31] IEC 651: "Sound level meters".
[32] ISO 3 (1973): "Preferred numbers - series of preferred numbers".
[33] ISO DIS 9614: "Acoustics - Determination of sound power levels of noise
sources using sound intensity".
3 Definitions and abbreviations
3.1 Definitions
For the purposes of this TBR, the following definitions apply:

Acoustic Reference Level (ARL): The acoustic level that corresponds to a power level of -10 dBm0 at

the TAP.

conducted measurements: Measurements which are made using a direct connection to the Equipment

Under Test (EUT).
dBPa: Sound pressure level relative to 1 Pa (no weighting).
duplex bearer: The use of two simplex bea
...

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