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TS 03.50 (SA4)
Transmission Planning Aspects of the Speech Service in the GSM Public Land Mobile Network (PLMN) System

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(P) GSM Rel-99 v8.1.1  2000/11  58 p.
(P) GSM Rel-98 v7.1.1  2000/11  58 p.
(P) GSM Rel-97 v6.2.1  2000/11  58 p.
(P) GSM Rel-96 v5.4.0  2000/06  59 p.
(P) GSM Phase-2 v4.6.1  1999/03  48 p.
(P) GSM Phase-1 v3.4.0  1994/07  29 p.

Rapporteur:  USAI, Paolino
Descendant:  TS 43.050

This TS describes the transmission planning aspects pertaining to the speech service in the GSM PLMN system. Due to technical and economic factors, there cannot be full compliance with the general characteristics of international telephone connections and circuits recommended by the ITU T.

This TS gives guidance as to the precautions, measures and minimum requirements needed for successful interworking of the PLMN with the national and international PSTN. This TS identifies a number of routeing and network configurations. The objective is to reach a quality as close as possible to ITU T standards in order to safeguard the performance seen by PSTN customers.


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1  ScopePDF-p. 8
2  Network configurationsPDF-p. 11
3  Transmission performancePDF-p. 13
3.1  Overall Loss/Loudness ratings
3.2  Stability LossPDF-p. 15
3.3  Delay
3.4  EchoPDF-p. 18
3.5  Clipping
3.6  Idle channel noise (handset and headset MS)
3.7  Noise contrastUp
3.8  Sensitivity/frequency characteristicsUp
3.9  Distortion (handset and headset MS)
3.10  Sidetone (handset and headset MS)PDF-p. 26Up
3.11  Out-of-band signals
3.12  Requirements for information tonesUp
3.13  Crosstalk
3.14  MS Ambient Noise RejectionPDF-p. 28

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