BUSINESS TELECOMMUNICATIONS (BTC) - COMPARISON OF PBX TRANSMISSION REQUIREMENTS IN STANDARDS ANSI/TIA/EIA 464-B AND ETS 300 439

Available format(s)

Hardcopy , PDF

Language(s)

English

Publisher

European Telecommunications Standards Institute

Foreword
Introduction
1 Scope
2 References
3 Abbreviations
4 Reference Model
5 Requirements
  5.1 Loss and loss - related parameters
  5.2 Voice impairment parameters
  5.3 Loudness levels
  5.4 Other impairment parameters
History

Evaluates, in an orderly manner, like transmission requirements in ANSI/TIA/EIA-464B-1996, "Requirements for Private Branch eXchange (PBX) Switching Equipment" and those in ETS 300 439, "Business TeleCommunications (BTC); Transmission characteristics of digital Private Branch eXchanges (PBXs)".