[asterisk-users] [Fwd: Internal LAN echo problem]

[Eric "ManxPower" Wieling]

Any echo you hear on pure IP calls is caused by the endpoint phone.  You 
cannot do ANYTHING about it on Asterisk.


Jonn Taylor wrote:
> Any ideas ?????
> 
> Jonn
> 
> -------- Original Message --------
> Subject: 	[asterisk-users] Internal LAN echo problem
> Date: 	Wed, 24 Oct 2007 08:34:32 -0500
> From: 	Jonn R Taylor <jonnt at taylortelephone.com>
> Reply-To: 	Asterisk Users Mailing List - Non-Commercial Discussion 
> <asterisk-users at lists.digium.com>
> To: 	Asterisk Users Mailing List - Non-Commercial Discussion 
> <asterisk-users at lists.digium.com>
> 
> 
> 
> Hi all,
> 
> I have an internal echo problem on my LAN only. I replaced the LAN 
> switch with a new linksys 2024 with QOS and seemed to help but not fix 
> the problem. Any ideas? Here in my setup - Dell PE6400 Dual 700, 
> Asterisk 1.2.24/FreePBX, 2-NIC cards, one with a public ip and one with 
> an internal ip, one PAP2, one SPA3102 and 2 BT101. I know that bt's are 
> cheap that are known for echo problem in the handset. I have one remote 
> user that never has a problem. I have a remote test server at home 
> connect via IAX with no problems, also a PAP2 with no problem. External 
> faxing from the rest of the world via our voip provider is working 
> great. One strange thing that I noticed is that we can not fax to our 
> iaxmodem, ATA ---> iaxmodem, but works perfect ATA ---> rx_fax. Not sure 
> why either.