<div>link with the same problem: <A href="http://www.asteriskguru.com/archives/asterisk-users-tdm2400-hardware-echo-cancel-vt96394.html?highlight=tdm2400">http://www.asteriskguru.com/archives/asterisk-users-tdm2400-hardware-echo-cancel-vt96394.html?highlight=tdm2400</A></div> <div> </div> <div>nobody can solve the problem ?<BR><BR><B><I>Vu AnhTuan <tuan_ptit@yahoo.com></I></B> wrote:</div> <BLOCKQUOTE class=replbq style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #1010ff 2px solid"> <DIV>hi you,</DIV> <DIV> </DIV> <DIV><SPAN class=postbody>I'm having problem with voice quality on my trixbox using TDM2400B.</SPAN><SPAN class=postbody>The trixbox is connected via 20 FXO ports on a <FONT color=#000000><SPAN style="COLOR: rgb(255,163,79)"><B>TDM2400</B></SPAN> with the hardware echo cancel module. Echo cancel almost works, but the users hear what they describe as a '<SPAN class=postbody>background
</SPAN>crackle/buzz' coming back when they talk. </FONT></SPAN></DIV> <DIV><SPAN class=postbody></SPAN> </DIV> <DIV><SPAN class=postbody>anyone have the same problem? pls help me. thanks a lot.</SPAN></DIV> <DIV><SPAN class=postbody></SPAN> </DIV> <DIV><SPAN class=postbody></SPAN><SPAN class=postbody><STRONG>my trixbox and config file:</STRONG></SPAN></DIV> <DIV><SPAN class=postbody></SPAN> </DIV> <DIV dir=ltr style="MARGIN-RIGHT: 0px"><SPAN class=postbody>trixbox version 2.4 (Linux kernel 2.6.18, Zaptel 1.4.7)</SPAN></DIV> <DIV><SPAN class=postbody><STRONG></STRONG></SPAN> </DIV> <DIV><SPAN class=postbody><STRONG></STRONG></SPAN> </DIV> <DIV><SPAN class=postbody><STRONG>zaptel.conf</STRONG></SPAN></DIV> <DIV><SPAN class=postbody>----------------</SPAN></DIV> <DIV><SPAN class=postbody># Autogenerated by /usr/sbin/genzaptelconf -- do not hand edit<BR># Zaptel Configuration File<BR>#<BR># This file is parsed by the Zaptel
Configurator, ztcfg<BR>#</SPAN></DIV> <DIV><SPAN class=postbody># It must be in the module loading order</SPAN></DIV><SPAN class=postbody> <DIV><BR># Span 1: WCTDM/0 "Wildcard TDM2400P Board 1" <BR>fxsks=1<BR>fxsks=2<BR>fxsks=3<BR>fxsks=4<BR>fxsks=5<BR>fxsks=6<BR>fxsks=7<BR>fxsks=8<BR>fxsks=9<BR>fxsks=10<BR>fxsks=11<BR>fxsks=12<BR>fxsks=13<BR>fxsks=14<BR>fxsks=15<BR>fxsks=16<BR>fxsks=17<BR>fxsks=18<BR>fxsks=19<BR>fxsks=20<BR># channel 21, WCTDM, no module.<BR># channel 22, WCTDM, no module.<BR># channel 23, WCTDM, no module.<BR># channel 24, WCTDM, no module.</DIV> <DIV># Global data</DIV> <DIV>loadzone = us<BR>defaultzone = us</SPAN></DIV> <DIV><SPAN class=postbody></SPAN> </DIV> <DIV><SPAN class=postbody></SPAN> </DIV> <DIV><SPAN class=postbody><STRONG>zapata.conf</STRONG></SPAN></DIV> <DIV><SPAN class=postbody>------------------------------</SPAN></DIV> <DIV><SPAN class=postbody>; Zapata telephony interface<BR>;<BR>; Configuration
file</SPAN></DIV> <DIV><SPAN class=postbody>[trunkgroups]</SPAN></DIV> <DIV><SPAN class=postbody>[channels]</SPAN></DIV> <DIV><SPAN class=postbody>language=en<BR>context=from-zaptel<BR>signalling=fxs_ks<BR>rxwink=300 ; Atlas seems to use long (250ms) winks<BR>;<BR>; Whether or not to do distinctive ring detection on FXO lines<BR>;<BR>;usedistinctiveringdetection=yes</SPAN></DIV> <DIV><SPAN class=postbody>usecallerid=yes<BR>hidecallerid=no<BR>callwaiting=yes<BR>usecallingpres=yes<BR>callwaitingcallerid=yes<BR>threewaycalling=yes<BR>transfer=yes<BR>cancallforward=yes<BR>callreturn=yes<BR>echocancel=yes<BR>echocancelwhenbridged=no ;default<BR>;echotraining=800 ;default<BR>rxgain=0.0<BR>txgain=0.0<BR>group=0<BR>callgroup=1<BR>pickupgroup=1<BR>immediate=no</SPAN></DIV> <DIV><SPAN class=postbody>busydetect=yes<BR>busycount=0</SPAN></DIV> <DIV><SPAN
class=postbody>relaxdtmf=yes<BR>;faxdetect=both<BR>faxdetect=incoming<BR>;faxdetect=outgoing<BR>;faxdetect=no</SPAN></DIV> <DIV><SPAN class=postbody>;Include genzaptelconf configs<BR>#include zapata-channels.conf</SPAN></DIV> <DIV><SPAN class=postbody>group=1</SPAN></DIV> <DIV><SPAN class=postbody>;Include AMP configs<BR>#include zapata_additional.conf</SPAN></DIV> <DIV><SPAN class=postbody><BR> </DIV></SPAN> <DIV><SPAN class=postbody><STRONG>zapata_additional.conf</STRONG></SPAN></DIV> <DIV><SPAN class=postbody>-------------------------------</SPAN></DIV> <DIV><SPAN class=postbody>; Autogenerated by /usr/sbin/genzaptelconf -- do not hand edit<BR>; Zaptel Channels Configurations (zapata.conf)<BR>;<BR>; This is not intended to be a complete zapata.conf. Rather, it is intended <BR>; to be #include-d by /etc/zapata.conf that will include the global settings<BR>;</SPAN></DIV> <DIV><SPAN class=postbody>; Span 1: WCTDM/0 "Wildcard TDM2400P Board 1" <BR>;;; line="1
WCTDM/0/0"<BR>signalling=fxs_ks<BR>callerid=asreceived<BR>group=0<BR>context=from-zaptel<BR>channel => 1<BR>context=default</SPAN></DIV> <DIV><SPAN class=postbody>;;; line="2 WCTDM/0/1"<BR>signalling=fxs_ks<BR>callerid=asreceived<BR>group=0<BR>context=from-zaptel<BR>channel => 2<BR>context=default</SPAN></DIV> <DIV><SPAN class=postbody>;;; line="3 WCTDM/0/2"<BR>signalling=fxs_ks<BR>callerid=asreceived<BR>group=0<BR>context=from-zaptel<BR>channel => 3<BR>context=default</SPAN></DIV> <DIV><SPAN class=postbody>;;; line="4 WCTDM/0/3"<BR>signalling=fxs_ks<BR>callerid=asreceived<BR>group=0<BR>context=from-zaptel<BR>channel => 4<BR>context=default</SPAN></DIV> <DIV><SPAN class=postbody>;;; line="5 WCTDM/0/4"<BR>signalling=fxs_ks<BR>callerid=asreceived<BR>group=0<BR>context=from-zaptel<BR>channel => 5<BR>context=default</SPAN></DIV> <DIV><SPAN class=postbody>;;; line="6
WCTDM/0/5"<BR>signalling=fxs_ks<BR>callerid=asreceived<BR>group=0<BR>context=from-zaptel<BR>channel => 6<BR>context=default</SPAN></DIV> <DIV><SPAN class=postbody>;;; line="7 WCTDM/0/6"<BR>signalling=fxs_ks<BR>callerid=asreceived<BR>group=0<BR>context=from-zaptel<BR>channel => 7<BR>context=default</SPAN></DIV> <DIV><SPAN class=postbody>;;; line="8 WCTDM/0/7"<BR>signalling=fxs_ks<BR>callerid=asreceived<BR>group=0<BR>context=from-zaptel<BR>channel => 8<BR>context=default</SPAN></DIV> <DIV><SPAN class=postbody>;;; line="9 WCTDM/0/8"<BR>signalling=fxs_ks<BR>callerid=asreceived<BR>group=0<BR>context=from-zaptel<BR>channel => 9<BR>context=default</SPAN></DIV> <DIV><SPAN class=postbody>;;; line="10 WCTDM/0/9"<BR>signalling=fxs_ks<BR>callerid=asreceived<BR>group=0<BR>context=from-zaptel<BR>channel => 10<BR>context=default</SPAN></DIV> <DIV><SPAN class=postbody>...........more...........</SPAN></DIV> <DIV><SPAN class=postbody></SPAN> </DIV> <DIV><SPAN
class=postbody></SPAN> </DIV> <DIV><SPAN class=postbody><STRONG>[IP-PBX ~]# ztcfg -vv</STRONG></SPAN></DIV> <DIV><SPAN class=postbody>----------------------------------------------</SPAN></DIV> <DIV><SPAN class=postbody>Zaptel Version: 1.4.7-3259<BR>Echo Canceller: OSLEC<BR>Configuration<BR>======================</SPAN></DIV><SPAN class=postbody> <DIV><BR>Channel map:</DIV> <DIV>Channel 01: FXS Kewlstart (Default) (Slaves: 01)<BR>Channel 02: FXS Kewlstart (Default) (Slaves: 02)<BR>Channel 03: FXS Kewlstart (Default) (Slaves: 03)<BR>Channel 04: FXS Kewlstart (Default) (Slaves: 04)<BR>Channel 05: FXS Kewlstart (Default) (Slaves: 05)<BR>Channel 06: FXS Kewlstart (Default) (Slaves: 06)<BR>Channel 07: FXS Kewlstart (Default) (Slaves: 07)<BR>Channel 08: FXS Kewlstart (Default) (Slaves: 08)<BR>Channel 09: FXS Kewlstart (Default) (Slaves: 09)<BR>Channel 10: FXS Kewlstart (Default) (Slaves: 10)<BR>Channel 11: FXS Kewlstart (Default) (Slaves: 11)<BR>Channel 12: FXS
Kewlstart (Default) (Slaves: 12)<BR>Channel 13: FXS Kewlstart (Default) (Slaves: 13)<BR>Channel 14: FXS Kewlstart (Default) (Slaves: 14)<BR>Channel 15: FXS Kewlstart (Default) (Slaves: 15)<BR>Channel 16: FXS Kewlstart (Default) (Slaves: 16)<BR>Channel 17: FXS Kewlstart (Default) (Slaves: 17)<BR>Channel 18: FXS Kewlstart (Default) (Slaves: 18)<BR>Channel 19: FXS Kewlstart (Default) (Slaves: 19)<BR>Channel 20: FXS Kewlstart (Default) (Slaves: 20)</DIV> <DIV>20 channels to configure.</DIV> <DIV> </DIV> <DIV>cat /proc/modules</DIV> <DIV>---------------------------</DIV> <DIV>zttranscode 11784 0 - Live 0xf89b8000<BR>ipv6 251393 18 - Live 0xf8ae8000<BR>autofs4 24517 2 - Live 0xf8a5a000<BR>sunrpc 144253 1 - Live 0xf8a79000<BR>wcusb 18048 0 - Live 0xf89b2000<BR>wctdm 37312 0 - Live 0xf89a7000<BR>wcfxo 15008 0 - Live 0xf88bb000<BR>wcte11xp 26656 0 - Live 0xf8961000<BR>wct1xxp 17184 0 - Live 0xf88a0000<BR>wcte12xp 37696 0 - Live 0xf899c000<BR>wct4xxp 297920 0 - Live
0xf8c75000<BR>tor2 91680 0 - Live 0xf8984000<BR>dm_mirror 28869 0 - Live 0xf896b000<BR>dm_multipath 21577 0 - Live 0xf88b4000<BR>dm_mod 58457 2 dm_mirror,dm_multipath, Live 0xf8974000<BR>parport_pc 29157 0 - Live 0xf88fb000<BR>lp 15849 0 - Live 0xf88af000<BR>parport 37513 2 parport_pc,lp, Live 0xf8932000<BR>floppy 57125 0 - Live 0xf8923000<BR>wctdm24xxp 106176 20 - Live 0xf88e0000<BR>zaptel 197176 56 zttranscode,wcusb,wctdm,wcfxo,wcte11xp,wct1xxp,wcte12xp,wct4xxp,tor2,wctdm24xxp, Live 0xf89be000<BR>oslec 13464 1 zaptel, Live 0xf8824000<BR>crc_ccitt 6337 1 zaptel, Live 0xf887d000<BR>e1000 119505 0 - Live 0xf8904000<BR>i2c_i801 11469 0 - Live 0xf8847000<BR>i2c_core 23745 1 i2c_i801, Live 0xf88a8000<BR>serio_raw 10693 0 - Live 0xf8829000<BR>pcspkr 7105 0 - Live 0xf8812000<BR>ata_piix 18501 0 - Live 0xf8841000<BR>libata 115833 1 ata_piix, Live 0xf88c2000<BR>sd_mod 24897 0 - Live 0xf8839000<BR>scsi_mod 132685 2 libata,sd_mod, Live 0xf885b000<BR>ext3 123337 2 - Live
0xf8880000<BR>jbd 56553 1 ext3, Live 0xf884c000<BR>ehci_hcd 32973 0 - Live 0xf882f000<BR>ohci_hcd 23261 0 - Live 0xf881d000<BR>uhci_hcd 25421 0 - Live 0xf8815000</DIV> <DIV> </DIV> <DIV>cat /proc/interrupts</DIV> <DIV>--------------------------</DIV> <DIV> CPU0 <BR> 0: 370499389 IO-APIC-edge timer<BR> 1: 8 IO-APIC-edge i8042<BR> 2: 0 XT-PIC cascade<BR> 6: 3 IO-APIC-edge floppy<BR> 8: 3 IO-APIC-edge rtc<BR> 12:
4 IO-APIC-edge i8042<BR> 14: 0 IO-APIC-edge libata<BR> 15: 438090 IO-APIC-edge ide1<BR>153: 370597206 IO-APIC-level uhci_hcd:usb3, ehci_hcd:usb7, Wildcard TDM2400P<BR>161: 6782414 IO-APIC-level uhci_hcd:usb1, uhci_hcd:usb6, eth0<BR>169: 0 IO-APIC-level uhci_hcd:usb5<BR>177: 0 IO-APIC-level uhci_hcd:usb2, libata<BR>185: 0 IO-APIC-level uhci_hcd:usb4, ehci_hcd:usb8<BR>NMI: 0 <BR>LOC: 370689937 <BR>ERR:
0<BR>MIS: 0</SPAN></DIV> <div> <HR SIZE=1> Be a better friend, newshound, and know-it-all with Yahoo! Mobile. <A href="http://us.rd.yahoo.com/evt=51733/*http://mobile.yahoo.com/;_ylt=Ahu06i62sR8HDtDypao8Wcj9tAcJ">Try it now.</A>_______________________________________________<BR>-- Bandwidth and Colocation Provided by http://www.api-digital.com --<BR><BR>asterisk-users mailing list<BR>To UNSUBSCRIBE or update options visit:<BR>http://lists.digium.com/mailman/listinfo/asterisk-users</BLOCKQUOTE><BR><BR><BR>Vu Anh Tuan <br>Tel:0909202201<p> 
<hr size=1>Be a better friend, newshound, and
know-it-all with Yahoo! Mobile. <a href="http://us.rd.yahoo.com/evt=51733/*http://mobile.yahoo.com/;_ylt=Ahu06i62sR8HDtDypao8Wcj9tAcJ "> Try it now.</a>