[Asterisk-Users] HELP! Bad sound quality

[Rudolf Ladyzhenskii]

I think you are right. 1.0.7

I connect via VoIP providers -- via Internet only. No direct PSTN
connection. (Well I do have TDM400, but did not have time to set ot up
yet).
I use Polycom SP300 phones
I even have problems when talking to people with softphones registered
on my * server.

Somehoe, I am starting to suspect that my ISP have something to do
with that. Is there any way to check quality of Internet connection?
Not just speed but quality.

Thanks,
Rudolf

On 4/14/06, Tzafrir Cohen <tzafrir at cohens.org.il> wrote:
> On Fri, Apr 14, 2006 at 05:47:32PM +1000, Rudolf Ladyzhenskii wrote:
> > Hi, all
> >
> > Suddenly I started to have bad sound quality. Happens with all
> > providers as well as with softphones connected to my * server on the
> > Internet.
> >
> > It was OK on 1.1.17, then I migrated to 1.2.5 and it was OK for some
> > time. Nothing has changed in my setup, but voice quality degraged
> > greatly.
>
> 1.1.17? Do you mean 1.0.7?
>
> Could you also give some details about your setup? How do you connect to
> your provider? If via ISDN: what ISDN channel?
>
> >
> > When I call someone, they can hear myself quite clear, but I hear lots
> > of interruptions in the voice. It actually gets worse. It may start as
> > a good clear conversation and in a few seconds it "slips" and I can
> > not make out what they say. Seem to only happen when calling via
> > Internet.
> > I have tried to restart both * server and my main server/gateway. I
> > also made sure no other traffic is going through. Nothing like P2P.
> > When I do use P2P I am getting my usual dowload speed, so looks like
> > my ISP is fine.
> > I run ADSL 512/128.
> >
> > Any ideas on what could happen?
> >
> > Thanks,
> > Rudolf
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