EG 201 050 : 1.2.2
Current
The latest, up-to-date edition.
SPEECH PROCESSING, TRANSMISSION AND QUALITY ASPECTS (STQ) - OVERALL TRANSMISSION PLAN ASPECTS FOR TELEPHONY IN A PRIVATE NETWORK
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Foreword
Introduction
1. Scope
2. References
3. Abbreviations
4. Definitions
4.1 Private network
4.2 Public network
4.3 Quality aspects
4.4 Network elements
4.5 Types of connections
5. Reference configurations
6. Basic planning principles
6.1 The Impairment Factor Method
6.2 The E-model
7. Parameters subject to Planning and their limits
7.1 Overall loudness rating
7.2 Echo
7.3 Transmission Time in Echofree Connections
7.4 Stability
7.5 Quantization Distortion Units
7.6 Equipment Impairment Factor
7.7 Advantage Factor A
7.8 Limits at the Public / Private Interface with respect
to Echo
7.9 Parameters not directly subject to Transmission
planning
7.10 Synchronization
8. Calculation of End-to-End parameters
8.1 Overall loudness rating
8.2 Talker echo
8.3 Transmission Time in Echofree Connections
8.4 Quantization Distortion Units
8.5 Equipment Impairment Factor
9. Application of the E-Model in Planning Practice
9.1 General
9.2 Reference configurations
9.3 Handling of the Input Parameters
9.4 Interpretation of the results
9.5 Application of the E-Model for Configurations with
two Echo Paths
9.6 Use of Computer programs
9.7 Default Values and Parameter Ranges
10. Rules for the Insertion of Echo Cancellers
10.1 Introduction
10.2 Characteristics of the Echo cancellers
10.3 Limits for the Application of Echo cancellers
10.4 Determination of the Location
10.5 Handling of Echo Cancellers in the E-Model
11. Realization of planning
11.1 General
11.2 Determination of the specific Requirements
11.3 Definition of the Reference Configurations
11.4 Determination of the Transmission Parameters
11.5 End-to-End Calculation with the E-Model
11.6 Analysis of the results
Annex A (informative): General Guidance and Information on
Transmission parameters
A.1 General
A.2 Loss definitions
A.3 Loudness ratings
A.4 Definitions of Levels and their units
A.5 Delay and echo
A.6 Stability
Annex B (informative): The E-Model
B.1 General
B.2 Reference Connection and used Transmission
parameters
B.3 Calculation of the Transmission Rating Factor R
B.4 Quality Measures derived from the Transmission
rating factor R
Annex C (informative): Transmission Parameters for specific
elements
C.1 Elements in Private networks
C.2 Transmission Parameters of Public Networks
C.3 Transmission Parameter of the Far-end Termination
Annex D (informative): Planning Examples
D.1 Planning Example for the European Scenario
D.2 Planning Example for the North American Scenarios
Bibliography
History
Applicable to transmission within private networks and the interconnection of private networks with other - mainly public - networks.
| Committee |
STQ
|
| DocumentType |
Standard
|
| Pages |
136
|
| PublisherName |
European Telecommunications Standards Institute
|
| Status |
Current
|
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| ECMA/TR 75 : 2ED 2000 | CORPORATE TELECOMMUNICATION NETWORKS (CN) - STANDARDIZATION PLAN |
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| EG 202 086 : 2.0.0 | SPEECH PROCESSING, TRANSMISSION AND QUALITY ASPECTS (STQ); OBJECTIVES AND PRINCIPLES FOR THE TRANSMISSION PERFORMANCE OF MULTIPLE INTERCONNECTED NETWORKS THAT AIM TO PROVIDE "TRADITIONAL QUALITY" TELEPHONY SERVICES |
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| TR 101 329-7 : 2.1.1 | TIPHON; DESIGN GUIDE; PART 7: DESIGN GUIDE FOR ELEMENTS OF A TIPHON CONNECTION FROM AN END-TO-END SPEECH TRANSMISSION PERFORMANCE POINT OF VIEW |
| ES 201 801 : 1.1.1 | SPEECH PROCESSING, TRANSMISSION AND QUALITY ASPECTS (STQ); TRANSFER OF PERFORMANCE PARAMETERS OF CONNECTIONS ON A PER CALL BASIS; END-TO-END SPEECH TRANSMISSION PERFORMANCE ADDITIONAL NETWORK FEATURE (ANF); SERVICE DESCRIPTION |
| EG 201 474 : 1.1.1 | SPEECH PROCESSING, TRANSMISSION AND QUALITY ASPECT (STQ); FUTURE APPROACHES TO SPEECH TRANSMISSION QUALITY ACROSS MULTIPLE INTERCONNECTED NETWORKS |
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| ES 201 168 : 1.2.1 | CORPORATE TELECOMMUNICATION NETWORKS (CN); TRANSMISSION CHARACTERISTICS OF DIGITAL PRIVATE BRANCH EXCHANGES (PBXS) |
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| ETS 300 439 : 20001 | BUSINESS TELECOMMUNICATIONS (BTC) - TRANSMISSION CHARACTERISTICS OF DIGITAL PRIVATE BRANCH EXCHANGES (PBXS) |
| ETS 300 175-8 : 20002 | RADIO EQUIPMENT AND SYSTEMS (RES); DIGITAL EUROPEAN CORDLESS TELECOMMUNICATIONS - COMMON INTERFACE - SPEECH CODING AND TRANSMISSION |
| ETR 275 : 20001 | TRANSMISSION AND MULTIPLEXING (TM) - CONSIDERATIONS ON TRANSMISSION DELAY AND TRANSMISSION DELAY VALUES FOR COMPONENTS ON CONNECTIONS |
| TBR 008 : 20002 | INTEGRATED SERVICES DIGITAL NETWORK (ISDN) - TELEPHONY 3,1 kHz TELESERVICE - ATTACHMENT REQUIREMENTS FOR HANDSET TERMINALS |
| ISO/IEC 11573:1994 | Information technology Telecommunications and information exchange between systems Synchronization methods and technical requirements for Private Integrated Services Networks |
| ETR 250 : 20001 | TRANSMISSION AND MULTIPLEXING (TM) - SPEECH COMMUNICATION QUALITY FROM MOUTH TO EAR FOR 3,1 KHZ HANDSET TELEPHONY ACROSS NETWORKS |
| TBR 010 : 20003 | DIGITAL EUROPEAN CORDLESS TELECOMMUNICATIONS (DECT) - GENERAL TERMINAL ATTACHMENT REQUIREMENTS - TELEPHONY APPLICATIONS |
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