[asterisk-users] [RESOLVED] Echocancellation OSLEC vs MG2 ?

[satish patel]

I was right i grab kernel 2.6.35 and build oslec against it and everything works!!

Thanks all of you...

-S


From: satish_lx at hotmail.com
To: asterisk-users at lists.digium.com
Date: Thu, 28 Apr 2011 14:42:00 +0000
Subject: Re: [asterisk-users] Echocancellation OSLEC vs MG2 ?








AH! i dig into kernel and i found there was already echo.ko module exist in kernel  

 ls -l /lib/modules/2.6.32-30-preempt/kernel/drivers/staging/echo/echo.ko
-rw-r--r-- 1 root root 10840 2011-03-01 21:48 /lib/modules/2.6.32-30-preempt/kernel/drivers/staging/echo/echo.ko

I remove that echo.ko module and install dahdi echo.ko module and it allowed me to load oslec module 

I believe i should download kernel-2.6.32.30 and build oslec again that source right ? 

-S


From: satish_lx at hotmail.com
To: asterisk-users at lists.digium.com
Date: Thu, 28 Apr 2011 14:35:25 +0000
Subject: Re: [asterisk-users] Echocancellation OSLEC vs MG2 ?








Thanks for rely,

Actually i have build OSLEC with the help of http://www.rowetel.com/blog/?page_id=454 

And now i am getting error at loading module 

root at shirley:~# lsmod | grep echo
dahdi_echocan_mg2       5662  23
dahdi                 210313  50 dahdi_echocan_mg2,wanpipe
echo                    5253  0
root at shirley:~# modprobe dahdi_echocan_oslec
FATAL: Error inserting dahdi_echocan_oslec (/lib/modules/2.6.32-30-preempt/dahdi/dahdi_echocan_oslec.ko): Unknown symbol in module, or unknown parameter (see dmesg)


What do you suggest ?

-S

Date: Thu, 28 Apr 2011 08:54:30 +0100
From: tiago.geada at gmail.com
To: asterisk-users at lists.digium.com
Subject: Re: [asterisk-users] Echocancellation OSLEC vs MG2 ?

linux-dahdi/README has a section on how to compile and install oslec

On 27 April 2011 22:15, Anthony Messina <amessina at messinet.com> wrote:

On 04/27/2011 02:06 PM, satish patel wrote:

> Which echo cancellation is good between OSLEC and MG2. Dahdi by default use MG2 echo cancellation on channel.  If i want to use OSLEC then what should i need to do ? Do i need to recompile dahdi with OSLEC ?



Yes, you would need to compile the OSLEC kernel module.  Or, if you are

using a RedHat/Fedora based distro, you're welcome to use the

dahdi-linux and dahdi-linux-kmod RPMS I build here.  I include OSLEC

with the dahdi-linux-kmod build.



http://messinet.com/rpms/



--

Anthony - http://messinet.com - http://messinet.com/~amessina/gallery

8F89 5E72 8DF0 BCF0 10BE 9967 92DC 35DC B001 4A4E




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