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andres at telesip.net
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 Posted: Fri Apr 25, 2008 8:53 am Post subject: [asterisk-users] Digium B410P or Sangoma A502D? |
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Matt Watson wrote:
| Quote: | I haven;t used any BRI cards but... call me crazy but wouldn;t they still be using Zaptel (even your sangoma... the script might just be configuring it for you)...
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All Sangoma Asterisk cards **except** the BRI cards will indeed use
Zaptel. But the BRI cards use a totally independent driver that
communicates with the WOOMERA channel. It does not use Zaptel at all
and therefore no software echo cancel or even HPEC will help. Believe
me, we talked to Sangoma in detail about this.
Andres.
| Quote: | and btw, software echo cancel happens in the zaptel kernel driver... it has nothing to do with the hardware (hence why its a software echo cancel)....
You also would of had the option of buying HPEC licenses for software echo cancel from digium for a rather cheap price.
--
Matt
________________________________________
From: asterisk-users-bounces at lists.digium.com [asterisk-users-bounces at lists.digium.com] On Behalf Of Andres [andres at telesip.net]
Sent: Thursday, April 24, 2008 5:04 PM
To: Asterisk Users Mailing List - Non-Commercial Discussion
Subject: Re: [asterisk-users] Digium B410P or Sangoma A502D?
We have tested both and they work fine. The Sangoma is much easier to
install as it does not depend on any other driver, you just run
'setup-sangoma' and follow the instructions. You don't have to fiddle
with the linux kernel or zaptel or chan_misdn. It just works. Plus
its more modular. You can chose 2/4/6 ports to buy and if you need more
just add remoras up to 24 ports. The Digium card is fixed to 4 ports,
period.
Having said that, make sure you stick with the version that has hardware
echo cancel and not even try the other one. We made the mistake of
buying the first time without echo cancel expecting to test the
'software echo cancel'. But there is no such thing as 'software echo
cancel' on this card. I do not even understand why Sangoma would make a
version without the hardware echo cancel. You get some degree of echo
on practically every call.
Andres.
Patrick wrote:
| Quote: | Hi,
I need to setup an Asterisk box with 4x ISDN BRI links. Looking at the
specs of various cards I favor the Digium B410P and Sangoma A502D
because of hardware echo cancellation. Does anyone have any experience
with either card, good or bad? Which one would you choose and why?
Thanks for your insight.
Regards,
Patrick
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_______________________________________________
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_______________________________________________
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andres at telesip.net
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| Posted: Fri Apr 25, 2008 9:11 am Post subject: [asterisk-users] Digium B410P or Sangoma A502D? |
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Olivier wrote:
| Quote: |
2008/4/24 Andres <andres at telesip.net <mailto:andres at telesip.net>>:
<snip>
You can chose 2/4/6 ports to buy and if you need more
just add remoras up to 24 ports.
Is this still usable within 1U server, when you cannot "stack" PCI
cards like this
xxxxxxx
xxxxxxx
but you must align them like this
xxxxxxx xxxxxxx
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no, you must align the Remoras vertically.
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tzafrir.cohen at xorco...
Guest
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| Posted: Fri Apr 25, 2008 9:42 am Post subject: [asterisk-users] Digium B410P or Sangoma A502D? |
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On Fri, Apr 25, 2008 at 09:53:16AM -0400, Andres wrote:
| Quote: | All Sangoma Asterisk cards **except** the BRI cards will indeed use
Zaptel. But the BRI cards use a totally independent driver that
communicates with the WOOMERA channel. It does not use Zaptel at all
and therefore no software echo cancel or even HPEC will help. Believe
me, we talked to Sangoma in detail about this.
|
Sangoma BRI cards can use Zaptel as well. They just need support for it
in Asterisk. This is either from bristuff or from Asterisk 1.6 .
--
Tzafrir Cohen
icq#16849755 jabber:tzafrir.cohen at xorcom.com
+972-50-7952406 mailto:tzafrir.cohen at xorcom.com
http://www.xorcom.com iax:guest at local.xorcom.com/tzafrir |
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lee at datatrakpos.com
Guest
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| Posted: Fri Apr 25, 2008 10:32 am Post subject: [asterisk-users] Digium B410P or Sangoma A502D? |
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Andres wrote:
| Quote: | We have tested both and they work fine. The Sangoma is much easier to
install as it does not depend on any other driver, you just run
'setup-sangoma' and follow the instructions. You don't have to fiddle
with the linux kernel or zaptel or chan_misdn. It just works. Plus
its more modular. You can chose 2/4/6 ports to buy and if you need more
just add remoras up to 24 ports. The Digium card is fixed to 4 ports,
period.
Having said that, make sure you stick with the version that has hardware
echo cancel and not even try the other one. We made the mistake of
buying the first time without echo cancel expecting to test the
'software echo cancel'. But there is no such thing as 'software echo
cancel' on this card. I do not even understand why Sangoma would make a
version without the hardware echo cancel. You get some degree of echo
on practically every call.
Andres.
|
I have a couple of installs using the A200 analog card with FXO modules and the
Octware echo cancel software works like a charm. These are 2-4 POTS line installs.
--
Warm Regards,
Lee |
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