Hi, I have a freeswitch box, with a sip trunk to a voip provider. When making / receiving external calls the external party gets an echo, which the freeswitch users dont suffer from. What can I do to reduce that. Thanks Alan Dawson -- GPG key: http://aland.burngreave.net/files/e81a4bba.gpg.pub.asc Key Transition: http://aland.burngreave.net/files/keytransition.txt.asc Further Reading: https://we.riseup.net/alster/openpgp-dsa1-key-rollover
The question is not related to FS. Lower speaker volume on user's phone. On Friday 01 October 2010, Alan Dawson wrote:
Hi,
I have a freeswitch box, with a sip trunk to a voip provider.
When making / receiving external calls the external party gets an echo, which the freeswitch users dont suffer from.
What can I do to reduce that. Thanks
Alan Dawson
On Fri, Oct 01, 2010 at 01:46:37PM -0400, Sergey Okhapkin wrote:
The question is not related to FS. Lower speaker volume on user's phone.
hi, interesting response. When we dont use the FS box, and just make a direct connection to the VOIP provider no echo occurs. This leads me to believe that it is an artefact related to the PBX -- GPG key: http://aland.burngreave.net/files/e81a4bba.gpg.pub.asc Key Transition: http://aland.burngreave.net/files/keytransition.txt.asc Further Reading: https://we.riseup.net/alster/openpgp-dsa1-key-rollover
This will probably take some good old fashioned detective work on your part. I'd recommend gathering all the information about your topology, devices, etc. and putting it in pastebin.freeswitch.org. I'd also get a pcap of he traffic on the FS box (including media) and analyze in Wireshark. Assuming that you don't have an ATA causing the echo then you're looking at the more traditional network issues like delay. You might want to start going down the rabbit hole by checking out this article and the links therein: http://networkinstruments.wordpress.com/2007/10/25/voip-troubleshooting-expl... I'm not saying it's not FreeSWITCH, but since we use it all day, every day, and the only echo issues we ever have are related to network issues, I'd recommend barking up that tree first. -MC On Fri, Oct 1, 2010 at 1:01 PM, Alan Dawson <aland@burngreave.net> wrote:
On Fri, Oct 01, 2010 at 01:46:37PM -0400, Sergey Okhapkin wrote:
The question is not related to FS. Lower speaker volume on user's phone.
hi, interesting response.
When we dont use the FS box, and just make a direct connection to the VOIP provider no echo occurs.
This leads me to believe that it is an artefact related to the PBX
-- GPG key: http://aland.burngreave.net/files/e81a4bba.gpg.pub.asc Key Transition: http://aland.burngreave.net/files/keytransition.txt.asc Further Reading: https://we.riseup.net/alster/openpgp-dsa1-key-rollover
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participants (3)
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Alan Dawson
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Michael Collins
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Sergey Okhapkin