Echo with OBI202 using pstn USB dongle
w00dy:
Ive just logged a support ticket for this. For now I've given up on the OBI202 and USB dongle, the echo renders it unusable.
Ive reverted to using the VOIP/FXS/FXO functionality on my Draytek 2830Vn and it works perfectly, using EXACTLY the same connections/configuration that I had with the OBI202. Ive literally just moved the 2x phone connectors and 1x line connector from the OBI to the Draytek. I can also report that it works perfectly using an SPA3102.
So that eliminates phone or PSTN issues as far as Im concerned, leaving only gain or impedance settings as the possible cause. But I have tried pretty much every conceivable permutation.
I would take some persuading there is a not a fundamental issue with the USB dongle.
Mango:
Please let us know how the support ticket goes.
BigSkies:
I have the exact same problem in the UK and very interested in a solution.
eskdale:
Can I add another to this problem in the UK- Have now spent several hours trying different options.
I have two lines one has a Spa3102 on it and that works acceptably well - most of the time there is no echo at all just the odd bit when something changes suddenly on the line. But the Obi202 with USB PSTN dongle can't get rid of the very annoying echo - tried different impedance settings different cables and even plugged it into the other line that is normally using the 3102 - all to no avail.
Willing to try suggestions - But it does seem a problem - is it a UK only problem or perhaps a batch of PSTN USB dongles
Jon
mingobi:
Hi Jon and everyone,
When you have echo, is it that you hear yourself? Or is the guy on the other end of the line hearing him/herself?
Bill
Quote from: eskdale on January 02, 2015, 01:19:24 pm
Can I add another to this problem in the UK- Have now spent several hours trying different options.
I have two lines one has a Spa3102 on it and that works acceptably well - most of the time there is no echo at all just the odd bit when something changes suddenly on the line. But the Obi202 with USB PSTN dongle can't get rid of the very annoying echo - tried different impedance settings different cables and even plugged it into the other line that is normally using the 3102 - all to no avail.
Willing to try suggestions - But it does seem a problem - is it a UK only problem or perhaps a batch of PSTN USB dongles
Jon
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