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  Products & Solutions    Telecom    Products    Analysis Systems Overview    
  ACQUA Extension Modules (ACOPT) Overview    ACOPT 22
ACOPT 22 - Option ES 203 021 (Code 6847)
 
The ETSI Standard ES 203 021 is the successor of the standard TBR 21 and like its predecessor specifies a series of harmonized requirements for the analog connection of terminals to existing public telephone networks in Europe.
It covers all relevant requirements of Directive 91/263/EEC regarding terminals which are capable of establishing or receiving a switched connection via Dual Tone Multi Frequency (DTMF) signalling.
The measurements required by Standard ES 203 021 have been implemented by HEAD acoustics into an automated test suite for the
  communication analysis system ACQUA.
Note: All ACOPTs require the latest ACQUA version.
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