[asterisk-users] Echo on hard SIP devices...

[Tim Panton]

On 25 May 2007, at 04:57, Carlos Chavez wrote:

>      We have an installation with around 50 sip phones but only 5  
> of those are
> hardware.  There are three Grandstream phones, one Snom and one  
> PAP2T.  We are
> running Asterisk 1.2.8 with an E1 (R2).  Only the hard phones are  
> having
> problems which are either echo or distortion.  The softphones all  
> work fine
> and no one is reporting any problems.
>
>      They are using 3Com switches which are fairly new.  I have  
> really tried
> all the settings I can think of and it seems impossible that all 5  
> hard phones
> are defective.  Obviously the customer is irritated because the  
> hard phones
> belong to the director and the receptionist and they notice the  
> problem all
> day.  I still think the problem may be with the switch but I just  
> want to
> check if anyone has had an experience like this before.

Who is hearing the echo ? Your users or the party at the far end ?


Tim Panton

www.mexuar.net
www.westhawk.co.uk/