btw.  I have no audio issues when making calls between phones through freeswitch (voice quality is very good).



From: rafonline@hotmail.com
To: freeswitch-users@lists.freeswitch.org
Date: Fri, 17 Dec 2010 21:19:11 +0000
Subject: [Freeswitch-users] audio quality issue



Hi,

I recently installed freeswitch 1.0.6 on centos 5.5 (hosted on xen server).  I feel as if the audio quality is not as good as what it should be (6-7 out of 10).  This is apparent in calling the default voicemail IVR, sometimes I have issues leaving a message, sometimes I hear some weird noises.  However, I have no issues with the quality of the recorded voicemail message I leave, it sounds fine on playback.

Is this an issue with my phones (Flexor 500)?  I have a softphone which doesn't seem as bad but still has issues.

I also get the following message on startup of freeswitch:

2010-12-17 21:17:39.138958 [WARNING] switch_time.c:206 Timer resolution of 4000 microseconds detected!
Do you have your kernel timer frequency set to lower than 1,000Hz? You may experience audio problems.

I assume its related.

Any help will be much appreciated.

Cheers

Raf

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