Conserving VoIP bandwidth using Asterisk IAX and Cisco RTPc

One of the biggest challenges in designing a VoIP telephony system is the issue of bandwidth and usually there's not enough of it.  Luckily there are ways to solve the problem with careful design and ingenuity using tools such as Cisco RTPc (Real Time Protocol header compression).

One of the biggest challenges in designing a VoIP telephony system is the issue of bandwidth and usually there's not enough of it.  Luckily there are ways to solve the problem with careful design and ingenuity using tools such as Cisco RTPc (Real Time Protocol header compression).  Anyone looking to design a Voice over IP telephony system or wanting to learn more about it can check out this *new article* on all these issues and more.  In it you'll learn about:

  • VoIP codec types
  • Standard and high fidelity wideband audio codecs
  • The packet overhead tax
  • Dealing with packet overhead
  • Case studies and examples

 

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