Embedded Systems : Voice over IP

Voice over IP

EETimes

Voice over IP
By EE Times
May 6, 2002 (11:16 a.m. EST)
URL: http://www.eetimes.com/story/OEG20020503S0091


Voice services build out from network core
Most consumers do not reach for their computer mouse when they want to make a telephone call, and even if they do, the resulting conversation is often disturbed by peculiar speech delays. That may give the impression tha t voice-over-Internet Protocol (VoIP) technology still has far to go before it represents a challenge to the age-old telephone system. But the contributors to this week's In Focus section paint a very different picture of where Internet and local-network voice technologies are headed.


  • Telephone moves to broadband
  • Digital voice market needs novel apps
  • Rough start, but voice market growing
  • Channelized DSL targets multiservice
  • IP routing key to integrated services

  • Deploying service at the network edg
  • Voice gateways pose challenges to design engineers
  • IP voice quality: Getting a handle on echo control
  • Optimizing softswitches: international versus national long distance
  • Standards, test requirements needed for toll quality VoIP
  • Advanced analog voice solutions in a VoIP world
  • Real-time tuning critical for voice quality

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