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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).
Key Techniques for Improving Voice Service Quality

Key Techniques for Improving Voice Service Quality

Voice service quality is the biggest challenge faced by the IP telephony technology. IP telephony service has a higher requirements on real-time transmission of IP packets. If IP packets are lost, or transmission delay or jitter is introduced due to transmission errors or network congestion, subscribers hear noises during calls, and even more, ongoing calls may be interrupted. The VoIP technology provides a series of technologies, such as codec, echo cancellation (EC), and voice activity detector (VAD) to improve the voice quality.

Updated: 2019-02-22

Document ID: EDOC1100067358

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