ES 201 168 : 1.2.1
Current
The latest, up-to-date edition.
CORPORATE TELECOMMUNICATION NETWORKS (CN); TRANSMISSION CHARACTERISTICS OF DIGITAL PRIVATE BRANCH EXCHANGES (PBXS)
Hardcopy , PDF
English
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Intellectual Property Rights
Foreword
1 Scope
2 References
3 Definitions and abbreviations
3.1 Definitions
3.2 Abbreviations
4 Compliance principles
5 Characteristics of analogue interfaces
5.1 PBX input impedance of interfaces K2, L2, M2 and M4
5.2 Transmission loss
5.3 Group delay distortion
5.4 Noise
5.5 Crosstalk
5.6 Total distortion including quantizing distortion
5.7 Discrimination against out-of-band signals applied
to the K2, L2, M2 and M4 input interfaces
5.8 Echo and stability of interfaces K2, L2 and M2
6 Characteristics of digital interfaces
6.1 Coding law
6.2 Transmission loss
6.3 Bit sequence independence
7 Characteristics of system specific (non-analogue) MS
interfaces
7.1 Equipment Impairment Factor, Ie
7.2 Transmission loss
8 System specific telephones (wired or cordless)
8.1 General
8.2 Speech performance characteristics for 3,1 kHz
handset telephones (wired or cordless)
9 Characteristics for connections between two interfaces
9.1 General
9.2 Transmission loss between interfaces
9.3 Quantizing distortion units (qdu)
9.4 Equipment Impairment Factor, Ie
9.5 Mean one-way transmission time
9.6 Stability loss
Annex A (normative): Digital PBX transmission characteristic
measurements
A.1 General
A.2 Test point and access to the test point
A.3 Auxiliary test equipment
A.4 Specific measure
A.5 Electro-acoustic measurements
Annex B (informative): Description of the CSS
B.1 General
B.2 Test signal
B.3 Measurement
B.4 Calculation
Annex C (informative): Bibliography
History
To produce ETS specifying the transmission properties of digital PABX systems to be connected by cordless extensions.
| Committee |
STQ
|
| DocumentType |
Standard
|
| Pages |
92
|
| PublisherName |
European Telecommunications Standards Institute
|
| Status |
Current
|
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| ES 202 020 : 1.4.2 | SPEECH PROCESSING, TRANSMISSION AND QUALITY ASPECTS (STQ); HARMONIZED PAN-EUROPEAN/NORTH-AMERICAN APPROACH TO LOSS AND LEVEL PLANNING FOR VOICE GATEWAYS TO IP BASED NETWORKS |
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| TR 102 024-7 : 4.1.1 | TELECOMMUNICATIONS AND INTERNET PROTOCOL HARMONIZATION OVER NETWORKS (TIPHON) RELEASE 4; END-TO-END QUALITY OF SERVICE IN TIPHON SYSTEMS; PART 7: DESIGN GUIDE FOR ELEMENTS OF A TIPHON CONNECTION FROM AN END-TO-END SPEECH TRANSMISSION PERFORMANCE POINT OF VIEW |
| EG 201 184 : 1.1.1 | 2-WIRE ANALOGUE VOICE BAND INTERFACES - MULTIPLE LINE TERMINAL EQUIPMENT SPECIFIC CHARACTERISTICS |
| EG 202 009-2 : 1.3.1 | USER GROUP; QUALITY OF TELECOM SERVICES; PART 2: USER RELATED INDICATORS ON A SERVICE SPECIFIC BASIS |
| EG 201 050 : 1.2.2 | SPEECH PROCESSING, TRANSMISSION AND QUALITY ASPECTS (STQ) - OVERALL TRANSMISSION PLAN ASPECTS FOR TELEPHONY IN A PRIVATE NETWORK |
| I-ETS 300 245-3 : FEB 95 | INTEGRATED SERVICES DIGITAL NETWORK (ISDN) - TECHNICAL CHARACTERISTICS OF TELEPHONY TERMINALS - PULSE CODE MODULATION (PCM) A-LAW, LOUDSPEAKING AND HANDSFREE TELEPHONY |
| TR 101 802 : 1.1.1 | SPEECH PROCESSING, TRANSMISSION AND QUALITY ASPECTS (STQ); THE CONCEPT OF RELATIVE LEVELS |
| ISO 9614-1:1993 | Acoustics — Determination of sound power levels of noise sources using sound intensity — Part 1: Measurement at discrete points |
| ISO 3:1973 | Preferred numbers Series of preferred numbers |
| EG 201 050 : 1.2.2 | SPEECH PROCESSING, TRANSMISSION AND QUALITY ASPECTS (STQ) - OVERALL TRANSMISSION PLAN ASPECTS FOR TELEPHONY IN A PRIVATE NETWORK |
| IEC 61260:1995 | Electroacoustics - Octave-band and fractional-octave-band filters |
| TBR 010 : 20003 | DIGITAL EUROPEAN CORDLESS TELECOMMUNICATIONS (DECT) - GENERAL TERMINAL ATTACHMENT REQUIREMENTS - TELEPHONY APPLICATIONS |
| IEC 60651:1979+AMD1:1993+AMD2:2000 CSV | Sound level meters |
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