Brian, Thanks for getting back to me. The SVN revision is 7343. The host is dedicated hardware (to be honest I didn't even think it would be ok to run freeswitch on a virtual host). I'll give the QoS settings a go and see if it clears up the problem. Could you send me a link to an audio file that is known to play fine? I will send you the SIP details of my server off list if you have a sec to see if you can replicate the issue. thanks, - Dale On Sat, Jan 26, 2008 at 11:33:01AM -0800, Brian West wrote:
Dale, What SVN rev are you running? Is this a xen or other virtual instance? I have done extensive testing in this area and haven't seen this... It could be related to QoS bits. Have you tried to use iptables to tag your traffic? Check this link http://wiki.freeswitch.org/wiki/QoS/
FreeSWITCH doesn't tag any traffic with any QoS bits and Asterisk does... So you might have to use the above URL to cause the traffic to get tagged and prioritized on the ADSL router.
/b
On Jan 26, 2008, at 7:29 AM, freeswitch@dalethatcher.com wrote:
Hello all!
I'm experiencing some problems with clipping and the rate of playback of wav files from Freeswitch. I've not raised this before as I thought the problems were due to hosting over an ADSL line. However I've now seen the same issues running from a dedicated host.
My test setup is:
Client <-> NAT ADSL <-> Freeswitch
I've replicated using both the Gizmo and FWD clients from Windows. If I substitute Asterisk with Freeswitch then the audio comes over fine. The two test samples are one of myself and the fpm-sunshine.wav that is bundled with asterisk.
I've tried playing around with the codecs but see the same problems regardless. Also I've performed a test with a conference hosted on the Freeswitch instance with myself and friend dialling in using Gizmo and the audio is fine. Which implied to me that the link between Gizmo to Freeswitch is ok.
So I'm guessing that there is something wrong with the samples that is causing the problem? They're both in this format:
$ file fpm-sunshine.wav RIFF (little-endian) data, WAVE audio, Microsoft PCM, 16 bit, mono 8000 Hz
My deployment platform is Debian stable and the Freeswitch SVN revision is 7343. I've tried looking in Jira but keep getting a system error page (for search terms 'audio', 'wav' and others).
Is anyone else seeing the same issues or has a solution?
thanks,
- Dale
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