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Voice Feature Guide 01

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Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document. Note: Even the most advanced machine translation cannot match the quality of professional translators. Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).
ISDN Standards and Protocols Compliance

ISDN Standards and Protocols Compliance

This topic provides the reference documents of the ISDN:
  • ITU-T Q.920 ISDN user-network interface data link layer General aspects
  • ITU-T Q.921 ISDN user-network interface - Data link layer specification
  • ITU-T Q.930 Digital Subscriber Signalling System No.1 (DSS 1) -ISDN User-Network Interface Layer 3 - General Aspects
  • ITU-T Q.931 ISDN user-network interface layer 3specification for basic call control
  • ITU-T H.248 Media gateway overload control package
  • RFC3435 Media Gateway Control Protocol (MGCP) Version 1_0
  • RFC3660 Basic Media Gateway Control Protocol (MGCP) Packages
  • RFC3661 Media Gateway Control Protocol (MGCP) Return Code Usage
  • ITU-T G.961 Digital transmission system on metallic local lines for ISDN basic rate access
Updated: 2019-02-22

Document ID: EDOC1100067358

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