<html><head><style type='text/css'>p { margin: 0; }</style></head><body><div style='font-family: arial,helvetica,sans-serif; font-size: 10pt; color: #000000'>God, I hope customers don't hold their carriers responsible for inappropriate use of speakerphones.<div><br></div><div><br></div><div>Yes, I'm sure the complaints received for the above are non-null. That's how much faith I have in customers.<br><br><div><span name="x"></span><br><br>-----<br>Mike Hammett<br>Intelligent Computing Solutions<br>http://www.ics-il.com<br><br><br><br>Midwest Internet Exchange<br>http://www.midwest-ix.com<br><br><span name="x"></span><br></div><br><hr id="zwchr"><div style="color:#000;font-weight:normal;font-style:normal;text-decoration:none;font-family:Helvetica,Arial,sans-serif;font-size:12pt;"><b>From: </b>"Tim Bray via VoiceOps" <voiceops@voiceops.org><br><b>To: </b>voiceops@voiceops.org<br><b>Sent: </b>Monday, June 14, 2021 4:36:55 PM<br><b>Subject: </b>Re: [VoiceOps] Call Quality<br><br>On 14/06/2021 22:25, Mike Hammett wrote:<br>> One of the concerns I heard was echo. On a purely digital call, what <br>> would be the cause of echo?<br><br>Echo, as in hearing yourself coming back with a delay?<br><br>Sound flying from the speaker to the microphone at the far end. Dodgy <br>speaker phone, poor plastic design of the phone, DSP not doing echo <br>cancellation. Or too much end to end latency - if it is quick enough, <br>you don't notice. Could be loads of things.<br><br><br><br><br>Quite often with third party USB or bluetooth `speaker phones`<br><br><br><br>-- <br>Tim Bray<br>Huddersfield, GB<br>tim@kooky.org<br><br>_______________________________________________<br>VoiceOps mailing list<br>VoiceOps@voiceops.org<br>https://puck.nether.net/mailman/listinfo/voiceops<br></div><br></div></div></body></html>