[Asterisk-Users] Re: Best drivers for HFC-S ISDN cards

[Vidar]

Can anyone get zaphfc to work with CVS HEAD? The version currently available 
from Junghans (f) is against CVS HEAD as of 2005-05-29 - it doesn't patch 
very well on the latest CVS HEAD.

--
Vidar

----- Original Message ----- 
From: "Stefan Tichy" <asterisk at pi4tel.de>
To: "'Asterisk Users Mailing List - Non-Commercial Discussion'" 
<asterisk-users at lists.digium.com>
Sent: Monday, September 26, 2005 4:54 PM
Subject: [Asterisk-Users] Re: Best drivers for HFC-S ISDN cards


> On Mon, Sep 26, 2005 at 02:23:04PM +0100, Chris Bagnall wrote:
>> It seems that HFC-S cards can be connected with asterisk in a few 
>> different
>> ways - isdn4linux, mISDN, chan_capi or zaphfc.
>
> mISDN (kernel modules and user lib) is used by chan_misdn and
> chan_capi. vISDN might be another option.
>
>
>> I've tried isdn4linux (severe
>> echo, reproducable on every inbound call) and zaphfc (intermittent echo,
>> disappears within about 30 secs of the call starting).
>
> There are some "Audio Quality Tuning Options" for zap channels.
>
>
>> What's the recommended way to hook up these ISDN cards? Is switching to 
>> capi
>> or mISDN likely to remove the echo problem completely, or is this one of
>> those things one has to accept?
>
> chan_misdn, chan_capi (echosquelch) and vISDN include a very basic
> echo cancellation or non echo cancellation. IMHO bristuff is the best
> (least worse) choice. chan_modem/isdn4linux will cause additional
> delay and will itensify the echo problem.
>
>
> Do not use "reply" if you want to start a new thread. The header
> "In-Reply-To:" is used by thread-aware mail clients even if the
> subject has been changed.
>
>
> -- 
> Stefan Tichy   <asterisk at pi4tel.de>
> _______________________________________________
> --Bandwidth and Colocation sponsored by Easynews.com --
>
> Asterisk-Users mailing list
> Asterisk-Users at lists.digium.com
> http://lists.digium.com/mailman/listinfo/asterisk-users
> To UNSUBSCRIBE or update options visit:
>   http://lists.digium.com/mailman/listinfo/asterisk-users