I-ETS 300 245-3 : FEB 95
Current
The latest, up-to-date edition.
INTEGRATED SERVICES DIGITAL NETWORK (ISDN) - TECHNICAL CHARACTERISTICS OF TELEPHONY TERMINALS - PULSE CODE MODULATION (PCM) A-LAW, LOUDSPEAKING AND HANDSFREE TELEPHONY
12-01-2013
Foreword
1 Scope
2 Normative references
3 Definitions and abbreviations
3.1 Definitions
3.2 Abbreviations
4 Call control functions
5 Transmission aspects
5.1 General
5.2 Sensitivity frequency response
5.3 Loudness ratings
5.4 Terminal Coupling Loss (TCL)
5.5 Stability loss
5.6 Distortion
5.7 Out-of-band signals
5.8 Noise
5.9 Delay
5.10 Switching characteristics
5.11 Acoustic Echo Controllers characteristics
5.12 Articulation
Annex A (normative): Test specification
A.1 Test considerations
A.2 Transmission requirements testing
Annex B (informative): Description of the Composite
Source Signal (CSS)
B.1 General presentation of the CSS
B.2 Use of the CSS
B.3 Practical Composite Source Signal
Annex C (informative): Bibliography
History
States the speech transmission characteristics of a loudspeaking or handsfree terminal to be used at the S/T interface of ISDN basic access.
| Committee |
TE 4
|
| DocumentType |
Miscellaneous Product
|
| PublisherName |
European Telecommunications Standards Institute
|
| Status |
Current
|
| Supersedes |
| Standards | Relationship |
| DIN V I-ETS 300245-3:1995-10 | Identical |
| PN I-ETS 300 245-3 : 2005 | Identical |
| XP I ETS 300245-3 : 97 XP | Identical |
| EN 300 176-2 : 2.2.1 | DIGITAL ENHANCED CORDLESS TELECOMMUNICATIONS (DECT); TEST SPECIFICATION; PART 2: AUDIO AND SPEECH |
| TR 101 110 : 8.0.0 | DIGITAL CELLULAR TELECOMMUNICATIONS SYSTEM (PHASE 2+) (GSM); CHARACTERISATION; TEST METHODS AND QUALITY ASSESSMENT FOR HANDSFREE MOBILE STATIONS (MSS) |
| ETS 300 903 : 20004 | DIGITAL CELLULAR TELECOMMUNICATIONS SYSTEM (PHASE 2+) - TRANSMISSION PLANNING ASPECTS OF THE SPEECH SERVICE IN THE GSM PUBLIC LAND MOBILE NETWORK (PLMN) SYSTEM |
| TBR 010 : 20003 | DIGITAL EUROPEAN CORDLESS TELECOMMUNICATIONS (DECT) - GENERAL TERMINAL ATTACHMENT REQUIREMENTS - TELEPHONY APPLICATIONS |
| NF ETS 300807 : 2001 | INTEGRATED SERVICES DIGITAL NETWORK (ISDN) - AUDIO CHARACTERISTICS OF TERMINALS DESIGNED TO SUPPORT CONFERENCE SERVICES IN THE ISDN |
| XP I ETS 300245-6 : 99 XP | INTEGRATED SERVICES DIGITAL NETWORK (ISDN) - TECHNICAL CHARACTERISTICS OF TELEPHONY TERMINALS - PART 6: WIDEBAND (7 KHZ), LOUDSPEAKING AND HANDS FREE TELEPHONY |
| TR 143 058 : 13.0.0 | DIGITAL CELLULAR TELECOMMUNICATIONS SYSTEM (PHASE 2+) (GSM); CHARACTERISATION, TEST METHODS AND QUALITY ASSESSMENT FOR HANDSFREE MOBILE STATIONS (MSS) (3GPP TR 43.058 VERSION 14.0.0 RELEASE 14) |
| ES 202 738 : 1.4.1 | SPEECH AND MULTIMEDIA TRANSMISSION QUALITY (STQ); TRANSMISSION REQUIREMENTS FOR NARROWBAND VOIP LOUDSPEAKING AND HANDSFREE TERMINALS FROM A QOS PERSPECTIVE AS PERCEIVED BY THE USER |
| XP I ETS 300245-8 : 99 XP | INTEGRATED SERVICES DIGITAL NETWORK (ISDN) - TECHNICAL CHARACTERISTICS OF TELEPHONY TERMINALS - PART 8: SPEECH TRANSMISSION CHARACTERISTIC WHEN USING LOW-DELAY CODE-EXCITED LINEAR PREDICTION (LD-CELP) CODING AT 16 KBIT/S |
| I-ETS 300 245-6 : JAN 96 | INTEGRATED SERVICES DIGITAL NETWORK (ISDN) - TECHNICAL CHARACTERISTICS OF TELEPHONY TERMINALS - WIDEBAND (7KHZ), LOUDSPEAKING AND HANDS FREE TELEPHONY |
| TS 143 050 : 13.0.0 | DIGITAL CELLULAR TELECOMMUNICATIONS SYSTEM (PHASE 2+) (GSM); TRANSMISSION PLANNING ASPECTS OF THE SPEECH SERVICE IN THE GSM PUBLIC LAND MOBILE NETWORK (PLMN) SYSTEM (3GPP TS 43.050 VERSION 14.0.0 RELEASE 14) |
| TR 101 329 : 2.1.1 | TELECOMMUNICATIONS AND INTERNET PROTOCOL HARMONIZATION OVER NETWORKS (TIPHON) - GENERAL ASPECTS OF QUALITY OF SERVICE (QOS) |
| I-ETS 300 302-4 : SEP 96 | INTEGRATED SERVICES DIGITAL NETWORK - (ISDN) - VIDEOTELEPHONY TELESERVICE - AUDIO ASPECTS - WIDEBAND CODING |
| TS 100 903 : 5.4.0 | DIGITAL CELLULAR TELECOMMUNICATIONS SYSTEM (PHASE 2+); TRANSMISSION PLANNING ASPECTS OF THE SPEECH SERVICE IN THE GSM PUBLIC LAND MOBILE NETWORK (PLMN) SYSTEM |
| ES 201 168 : 1.2.1 | CORPORATE TELECOMMUNICATION NETWORKS (CN); TRANSMISSION CHARACTERISTICS OF DIGITAL PRIVATE BRANCH EXCHANGES (PBXS) |
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