Echo

[Lusk]

I initiated a call through 3CX to a landline and the call from my side was perfect quality. The person who I was speaking with said there was a great deal of echo so the call was terminated and then re-initiated; the same problem persisted.

I have just downloaded the two calls and I can confirm there is a great deal of echo.

Any ideas where to start?

 

[leejor]

Was this over A SIP trunk, or a PSTN Gateway? If they are hearing echo, then their level is too high. Have you tested this with just the one number, or to/from multiple destinations? I have found that some echo issues have arisen because the person at the other end is using a headset, or a device with some amplification. If you are using a PSTN Gateway, there should be Pad settings to reduce the incoming level.

 

[Lusk]

Was this over A SIP trunk, or a PSTN Gateway? If they are hearing echo, then their level is too high. Have you tested this with just the one number, or to/from multiple destinations? I have found that some echo issues have arisen because the person at the other end is using a headset, or a device with some amplification. If you are using a PSTN Gateway, there should be Pad settings to reduce the incoming level.

This was on my trunk and they were on a non voip line. I have since listened to other calls which my system has recorded and therefore using the same trunk and these calls seem to be okay.

 

[JohnS_3CX]

Hi Lusk,

Chances are, the other side had the problem then.

Note that the trunk does not do echo cancellation, the devices are the ones doing it.