[asterisk-users] SIP & Echo

[Asterisk]

Thanks. I will try to ping my phones, to see what's the situation.

 

  _____  

From: asterisk-users-bounces at lists.digium.com [mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of David Gomillion
Sent: Tuesday, May 22, 2007 3:22 PM
To: Asterisk Users Mailing List - Non-Commercial Discussion
Subject: Re: [asterisk-users] SIP & Echo

 

We experience echo too from time to time. It's usually headset-related, but not always. I ran a persistent ping on one of the phones, and we diagnosed a wiring problem with it. Other phones needed a new handset. The problem is that these problems need to be fixed on the phone NOT hearing echo. 

On 5/22/07, Asterisk <asterisk at abraxas.si> wrote:

How could I check if bandwith or/and latency is causing it?

If I do SIP show peers it says OK (13 ms) for all peers. I guess there is a way to gather more detailed info on SIP calls and latency?

* box is connected to the 1Gb switch with 1Gb connection, and clients have 100Gb/s speed. CPU is 90% free in peak time, and there are 34 SIP hardphones connected to the * box. 

Thanks, Alex

-----Original Message-----
From: asterisk-users-bounces at lists.digium.com [mailto: asterisk-users-bounces at lists.digium.com <mailto:asterisk-users-bounces at lists.digium.com> ] On Behalf Of Alexandre VERNIOL
Sent: Tuesday, May 22, 2007 2:18 PM
To: Asterisk Users Mailing List - Non-Commercial Discussion
Subject: Re: [asterisk-users] SIP & Echo 

Hi,

Could be bandwith or/and latency ... Many causes...


Alex

Asterisk a écrit :
> Hello all,
>
> One of our clients reported that they are experiencing echo in SIP calls
> (even on internal ones). What do you think could be causing echo in
> internal SIP calls?
>
> We're using Polycom telephones, do you think they could be causing it?
>
> Thanks,
> Alex 
>
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