The Evolution of Voice Over IP (VoIP)

In part 1 of this series on VOIP, Jim Gibson looks at a brief history of telephone PBX systems and how they differ from today's VOIP systems.

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[klc]

Best explanation of VoIP so far. Where we were, where we are, why its better and how it works. No fluff. Just what I needed to understand for my organization. Thank you!

[yohannesmengistudemeke]

Thank you for explaining the differnce and evolution of Telephone systems

[santoshdanapur]

Thank you so much Jim for clear explanation.

[polemicvs]

Very nicely done, Jim. looking forward to more.

[EzekielRamadan]

Thanks Jim, this is simply awesome :)

[bobaustralia]

Hi. I live in Sydney Australia, and recently transferred to HFC, I originally had a DSL modem and an ordinary copper wire worked really well, after switching over to HFC the internetworks really well but my Voip is appalling in fact at times the phone is unusable the voices keep breaking up so bad I’m thinking seriously about getting a mobile problem is I’m paying for a phone line I can’t use.

[threeseven]

So the internet telephony company does not require physical connection but only that I'm connected to the internet through my ISP. Is that correct?

[damien]

u don't even need phone or anything else xD all you need is up to date pc and a microphone and you can use voip using a program on pc