[VoiceOps] Call Quality

[Mike Hammett]

I can't say I've experienced it, no. 

It was just something a potential customer told me they were concerned with. 




----- 
Mike Hammett 
Intelligent Computing Solutions 
http://www.ics-il.com 



Midwest Internet Exchange 
http://www.midwest-ix.com 



----- Original Message -----

From: "Carlos Alvarez" <caalvarez at gmail.com> 
To: voiceops at voiceops.org 
Sent: Monday, June 14, 2021 4:37:38 PM 
Subject: Re: [VoiceOps] Call Quality 


So are you saying that you've experienced echo on a fully VoIP call? IP handset to IP handset, without some sort of analog interface other than in the handsets? 


I can't recall the last echo complaint we've had. 




On Mon, Jun 14, 2021 at 2:35 PM Mike Hammett < voiceops at ics-il.net > wrote: 




Well right. 

The analog portions of most calls are extremely small anymore (speaker to ear and mouth to microphone). 




----- 
Mike Hammett 
Intelligent Computing Solutions 
http://www.ics-il.com 



Midwest Internet Exchange 
http://www.midwest-ix.com 





From: "Carlos Alvarez" < caalvarez at gmail.com > 
To: voiceops at voiceops.org 
Sent: Monday, June 14, 2021 4:31:07 PM 
Subject: Re: [VoiceOps] Call Quality 


Well, no call is purely digital, the endpoints are still analog, as is the meatbag behind the handset. I can't imagine any way you can create echo in the digital portions. But a mismatch in impedance on an ATA or similar device would be a common old problem I've faced. 




On Mon, Jun 14, 2021 at 2:28 PM Mike Hammett < voiceops at ics-il.net > wrote: 

<blockquote>


One of the concerns I heard was echo. On a purely digital call, what would be the cause of echo? 




----- 
Mike Hammett 
Intelligent Computing Solutions 
http://www.ics-il.com 



Midwest Internet Exchange 
http://www.midwest-ix.com 





From: "Mike Hammett" < voiceops at ics-il.net > 
To: "VoiceOps" < voiceops at voiceops.org > 
Sent: Sunday, June 13, 2021 1:11:30 PM 
Subject: [VoiceOps] Call Quality 


I've heard a variety of complaints and concerns over the years about call quality. How are these quality issues introduced? As long as pipes and equipment aren't overloaded, where is a quality issue to come from? 




Obviously, the closer you are to the handsets, the less opportunity there is for issues. What else is there to take into account? 




----- 
Mike Hammett 
Intelligent Computing Solutions 
http://www.ics-il.com 



Midwest Internet Exchange 
http://www.midwest-ix.com 




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</blockquote>

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