Gartner Research

Voice Quality and Network Capacity Planning for VoIP

Published: 22 June 2006

ID: G00140936

Analyst(s): Eric J. Zwar, Bjarne Munch


Voice quality in an Internet Protocol network is affected by a number of factors, including the choice of coder/decoder. Enterprises need to understand the implications of their codec choices, as well as the impacts on network capacity planning.

Table Of Contents
  • Codec
  • Standards
  • Expected Sound Quality
  • Processing Delay
  • Bandwidth Implications
  • Capacity Implications
  • Summarized Data
  • Context
  • Cost Implications
  • Bottom Line

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