Thanks a lot for your help.
Since we decreased tx on the patton gateway (-3db iirc) , no more echo
report... so far. But this is a bit too early to conclude everything
is fine now.
Now I guess we would have had similar results with the pci card we
replaced by the gateway (Digium B410p with m
Gaëtan,
The echo arise at 4w/2w conversion point, normally at the far end. Try
to call another phone number assigned to your BRI, i.e. call back to
your Asterisk server. If you use a Polycom phone to initiate the call
and another to receive the call, you have the perfect link: 4 wires with
not 4w/
Thanks !
We installed it in the interim and have a lot of calls with far-end
echo :(.
But it seems the solution could be to reduce the TX gain on our side
(these are using polycom phones, and indeed I can see a big
amplitude imbalance between tx/rx on a recording). It's under test, I
ho
Gaëtan,
They are using as gateway to the pstn. In fact, they are remote gateways
for a centralized callcenter:
[pstn] «--» [BRI] «--» [internet] «--» [callcenter]
Regards
Jorge Mendoza
Gaëtan Minet wrote:
> Thanks
>
> Are you using these to connect isdn phones to the voip or to as a
> gatewa
Thanks
Are you using these to connect isdn phones to the voip or to as a
gateway to the pstn for a voip system ?
Kind regards
Gaetan
On 08/09/2009, at 19:40, Jorge Mendoza wrote:
> We have some installations with smartnode 4554, (same tail echo
> cancellation) without problems so far.
>
> J
We have some installations with smartnode 4554, (same tail echo
cancellation) without problems so far.
Jorge Mendoza
Gaëtan Minet wrote:
> Hi
>
> Is anybody using these ?
>
> Gaetan
>
>
> Begin forwarded message:
>
>> *From: *Gaëtan Minet mailto:gminet...@mcit.be>>
>> *Date: *Sat 22 Aug 2009 16:2
Hi
Is anybody using these ?
Gaetan
Begin forwarded message:
From: Gaëtan Minet
Date: Sat 22 Aug 2009 16:29:42 GMT+02:00
To: Asterisk Users Mailing List - Non-Commercial Discussion >
Subject: [asterisk-users] Patton smartnode 463x (BRI) 25ms tail echo
cancellation
Reply-To: Asterisk Users
