---------- Forwarded message ---------- From: C F <[EMAIL PROTECTED]> Date: Thu, 10 Mar 2005 11:43:06 -0500 Subject: Re: [Asterisk-Users] how do i get rid of this blasted echo !!! To: Jon Bebeau <[EMAIL PROTECTED]>
On Thu, 10 Mar 2005 10:43:54 -0500, Jon Bebeau <[EMAIL PROTECTED]> wrote: > Hi all, > > I'm still fighting echo on a T1-PRI too. I see the suggestion about > enabling MMX in zaptel/zconfig.h but I didn't understand the bit about > reordering the instructions. Can you elaborate? In /usr/src/zaptel/Makefile add CFLAGS+=-march=pentium4 underneath the comment in the Makefile talking about all the config settings being in zconfig.h. > Thanks, > > Jon > ----- Original Message ----- > From: "C F" <[EMAIL PROTECTED]> > To: "Asterisk Users Mailing List - Non-Commercial Discussion" > <[email protected]> > Sent: Thursday, March 10, 2005 9:07 AM > Subject: Re: [Asterisk-Users] how do i get rid of this blasted echo !!! > > > On Thu, 10 Mar 2005 12:29:32 -0000, Brett, Gary > > <[EMAIL PROTECTED]> wrote: > >> Sorry for the delay in replying to this post, my hardware platform is an > >> HP > >> Compaq D530 SFF - 2.4gb /512mb /40gb. I have a TDM02b configuration > >> (2xFXO). > >> You mention FCC and the mode for UK impedance, can you explain a little > >> further on this one as I am a little lost, I cant see any setting with > >> "FCC" > >> anywhere (even in the config samples) so could you explain whereabouts I > >> set > >> this ? > > > > > >> The other question I have is regarding the MMX stuff you talk about. My > >> processor is a P4 2.4ghz, excuse my lack of knowledge here but I thought > >> MMX > >> was a feature bundled with processors of about 5 years ago?? Do I still > >> need > >> to recompile with MMX support, and if so, some pointer on how to do this > >> would be appreciated (also, can I recompile the zaptel drivers and carry > >> on > >> as normal, or will I need to reinstall asterisk again?) > > > > MMX is a feature that is bundled since the early days of PentiumII > > (around 1997), it has never been removed, and is still with every > > pentium cpu from intel. > > To enable MMX in zaptel, before you compile zaptel, uncomment the line > > that says: > > /* #define CONFIG_ZAPTEL_MMX */ > > and change it to: > > #define CONFIG_ZAPTEL_MMX > > > > > > > >> Any help would be greatly appreciated > >> > >> Regards > >> Gary > >> > >> -----Original Message----- > >> From: Andrew Kohlsmith [mailto:[EMAIL PROTECTED] > >> Sent: 03 March 2005 12:32 > >> To: [email protected] > >> Subject: Re: [Asterisk-Users] how do i get rid of this blasted echo !!! > >> > >> On March 3, 2005 07:02 am, Brett, Gary wrote: > >> > I have 2 TDM400P's, 2 asterisk servers (running on powerful boxes with > >> > FC1 > >> > and * v CVS 1.0.02), and 4 analogue PSTN lines from BT and whatever I > >> > do, > >> I > >> > cannot get rid of this damn local echo. Ive tried setting the > >> echoTraining, > >> > echoCancel (in phone.conf and Zapata.conf) , echocancelwhenbridged to > >> every > >> > possible combination , Ive even tried running the fxotune utility to no > >> > avail. Ive swapped cards, telephone lines, servers and also tried > >> different > >> > phones (budgetone, x-lite, 7940) but still it's the same. > >> > >> You haven't told us what hardware (platform) you're on, nor have you told > >> us > >> > >> if your FXO ports are in whatever mode they need to be in for UK > >> impedances > >> (I think they default to FCC or North American). > >> > >> For echo on my PRI I could not get rid of it until I recompiled the > >> zaptel > >> and > >> wct4xxp drivers with MMX support enabled and with the instructions > >> reordered > >> > >> and used for the pentium 4 processor (which I'm using, Xeon 2.6 to be > >> exact). > >> > >> After that, the echo magically disappeared. I haven't reverted back to > >> my > >> original (non-processor-optimized, non-MMX-enabled) drivers to see if it > >> comes back, but that's all that's changed and it's in production so I am > >> hesitant to screw around with it any more. > >> > >> -A. > >> _______________________________________________ > >> Asterisk-Users mailing list > >> [email protected] > >> http://lists.digium.com/mailman/listinfo/asterisk-users > >> To UNSUBSCRIBE or update options visit: > >> http://lists.digium.com/mailman/listinfo/asterisk-users > >> _______________________________________________ > >> Asterisk-Users mailing list > >> [email protected] > >> http://lists.digium.com/mailman/listinfo/asterisk-users > >> To UNSUBSCRIBE or update options visit: > >> http://lists.digium.com/mailman/listinfo/asterisk-users > >> > > _______________________________________________ > > Asterisk-Users mailing list > > [email protected] > > http://lists.digium.com/mailman/listinfo/asterisk-users > > To UNSUBSCRIBE or update options visit: > > http://lists.digium.com/mailman/listinfo/asterisk-users > > > > _______________________________________________ Asterisk-Users mailing list [email protected] http://lists.digium.com/mailman/listinfo/asterisk-users To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users
