Martin Johnson used his keyboard to write :
> Jono wrote:
>> Martin Johnson explained on 10/05/2008 :
>>> Christian wrote:
>>>>> My solution will be to get a Siemens C475IP or maybe the similar
>>>>> SNOM M3.
>>>>
>>>> To be honest, that is exactly what I did (an S450IP in my case). The
>>>> advantage of a real VOIP-phone rather than an ATA is that the sent and
>>>> received signal never meet each other on a single line. The only echo
>>>> will be caused acoustically in the handset. So the chance of echo on the
>>>> far end is reduced quite a lot. I never had any complaints about echo
>>>> anymore (I did have some with my SPA3000, although not often).
>>>
>>> I have a local PSTN number on my Gradwell VOIP service, so that PSTN
>>> callers in my own town don't need to dial an area code to call me.
>>
>> Right, I've been reading this thread thinking you've got echo problems on
>> the PSTN side of the SPA3000.
>>
>> What you're actually saying is it's a VoIP account that's suffering the
>> echo..
>
> Yes, since I mostly only use the VOIP account.

I've got a couple of SPA3000s. Both are acting as PSTN trunks on my PBX
and also as regular ATAs.

I get the old echo on PSTN calls but not on VoIP calls.

>
> In fact, the echo is much worse on calls to the analog BT line, but I only
> give out the VOIP number.

Frustratingly so.