[Asterisk-Users] Echo Cancellation

[mustardman29]

That's good to know Francdois,

I was not aware of that.  I talked to a Sangoma tech about that possibility
and they told me that although their hardware echo can is just an added
module, there are some minor differences on the board it mounts to as well
so it's not a possibility to upgrade a non-hardware echo can Sangoma analog
card as far as I know. 

> -----Original Message-----
> From: f6hqz-m at hamwlan.net [mailto:f6hqz-m at hamwlan.net] 
> Sent: Tuesday, March 14, 2006 9:29 PM
> To: 'Asterisk Users Mailing List - Non-Commercial Discussion'
> Subject: RE : [Asterisk-Users] Echo Cancellation
> 
> Hi Asterisk's people,
> 
> You can buy Digium's card harware echo can models without the 
> echo can module and buy it later if necessary.
> They are "scalable"  ;-)
> 
> Best Regards,
> Francois BERGERET,
> France.
> 
> -----Message d'origine-----
> De : asterisk-users-bounces at lists.digium.com
> [mailto:asterisk-users-bounces at lists.digium.com] De la part 
> de mustardman29 Envoyé : mardi 14 mars 2006 22:24 À : 
> 'Asterisk Users Mailing List - Non-Commercial Discussion'
> Objet : RE: [Asterisk-Users] Echo Cancellation
> 
> 
> The way I look at it, it's better to have hardware echo can 
> and not need it than to need it and not have it.  The cards 
> are not upgradeable to hardware echo can and it is almost 
> impossible to pre-determine if you will need it.
> Software echo can sometimes does a good enough job but it 
> will never be as good as hardware.  
> 
> You get what you pay for.
> 
> > -----Original Message-----
> > From: Keith Schmidt [mailto:keith at giantlockbox.com]
> > Sent: Tuesday, March 14, 2006 9:05 AM
> > To: Asterisk Users Mailing List - Non-Commercial Discussion
> > Subject: [Asterisk-Users] Echo Cancellation
> > 
> > I have 3 POTS lines that I want to use with Asterisk, I am 
> looking at 
> > prices for FXO cards and the cards with echo cancellation 
> are really 
> > pricey... is echo cancellation really worth it for a 3 or 4 line 
> > system?  Will I notice a difference without the echo cancellation?
> > 
> > Thanks
> > Keith Schmidt
> > 
> > 
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