[TriLUG] VOIP Implementation

[Jim Ray]

If no one is there to answer it, then we do not exist. The latency still exists, though :-)


-----Original Message-----
From: jonc at nc.rr.com [mailto:jonc at nc.rr.com] 
Sent: Monday, October 05, 2009 11:05 AM
To: Triangle Linux Users Group General Discussion
Cc: Jim Ray
Subject: Re: [TriLUG] VOIP Implementation

Very philosophical, Jim...

If a voip phone rings, and there is no one there to answer it, is there still latency?

---- Jim Ray <jim at neuse.net> wrote: 
> Agreed. You get your latency under 30 ms according to Vint Cerf when we had lunch with each other, and you will not be able to detect latency.
> 
> Now, one might argue latency still exists :-)
> 
> -----Original Message-----
> From: jonc at nc.rr.com [mailto:jonc at nc.rr.com] 
> Sent: Monday, October 05, 2009 10:52 AM
> To: Triangle Linux Users Group General Discussion
> Cc: Jim Ray
> Subject: Re: [TriLUG] VOIP Implementation
> 
> Jim,
> 
> Not necessarily.  
> 
> We're on-net with Time Warner, so traffic from Time Warner customers never hits the internet, and the latencies are sweet - as low as 4ms for Fiber customers and about 20ms for cable customers.
> 
> Of course any time you mix Voice and Data together, you need Bandwidth shaping and QoS on your Firewall - but this is fairly simple in the Opensource world. In fact we recommend to folks the SG300 firewall which runs a Linux kernel and has very easy controls for applying QoS and Bandwidth shaping.
> 
> VoIP rocks (almost as much as Python!)
> 
> Jon Carnes
> FeatureTel.com
>