Hi, I have configured a conference on new installation of freeswitch, every thing works fine voice quality is good when lady says that "You are the only one in this conference" and music but as soon as other party get connected and started to talk voice get choppy/noisy nothing can be understood, like if someone says "HELLO" other party listen jerking noisy voice like "---$H^----#E@----%LL^----*O&" I am new to Freeswitch please guide me that how I can fix / troubleshoot this issue or let me know if need some debugging etc... currently my setup is following CentOs-5 32bit Intel(R) Pentium(R) D CPU 2.66GHz [root@localhost conf]# freeswitch -version FreeSWITCH version: 1.0.head (git-66d16d1 2011-05-20 12-49-16 -0500) [root@localhost conf]# uname -a Linux localhost.localdomain 2.6.18-128.el5 #1 SMP Wed Jan 21 10:44:23 EST 2009 i686 i686 i386 GNU/Linux [root@localhost conf]# free total used free shared buffers cached Mem: 1001664 959668 41996 0 196484 540676 -/+ buffers/cache: 222508 779156 Swap: 2031608 60 2031548 <?xml version="1.0"?> <include> <configuration name="conference.conf"> <caller-controls> <group name="default-keymap"> <control action="vol talk dn" digits="1"/> <control action="vol talk zero" digits="2"/> <control action="vol talk up" digits="3"/> <control action="vol listen dn" digits="4"/> <control action="vol listen zero" digits="5"/> <control action="vol listen up" digits="6"/> <control action="energy dn" digits="7"/> <control action="energy equ" digits="8"/> <control action="energy up" digits="9"/> <control action="deaf mute" digits="*"/> <control action="mute" digits="0"/> </group> </caller-controls> <profiles> <profile name="conference_1"> <param name="rate" value="8000"/> <!-- Here I tried all possible values but no luck --> <param name="interval" value="20"/> <param name="energy-level" value="20"/> <param name="sound-prefix" value="$${sounds_dir}/en/us/callie"/> <param name="caller-controls" value="default-keymap"/> <param name="tts-engine" value="flite"/> <param name="tts-voice" value="kal"/> <param name="muted-sound" value="conference/conf-muted.wav"/> <param name="mute-detect-sound" value=""/> <param name="max-members" value=""/> <param name="max-members-sound" value=""/> <param name="comfort-noise" value="1"/> <param name="suppress-events" value=""/> <param name="verbose-events" value=""/> <param name="unmuted-sound" value="conference/conf-unmuted.wav"/> <param name="alone-sound" value="conference/conf-alone.wav"/> <param name="moh-sound" value="local_stream://moh"/> <param name="enter-sound" value="tone_stream://%(200,0,500,600,700)"/> <param name="exit-sound" value="tone_stream://%(500,0,300,200,100,50,25)"/> <param name="kicked-sound" value="conference/conf-kicked.wav"/> <param name="locked-sound" value="conference/conf-locked.wav"/> <param name="is-locked-sound" value="conference/conf-is-locked.wav"/> <param name="is-unlocked-sound" value="conference/conf-is-unlocked.wav"/> <param name="pin-sound" value="conference/conf-pin.wav"/> <param name="bad-pin-sound" value="conference/conf-bad-pin.wav"/> </profile> </profiles> </configuration> </include> Thanks in advance Nasir