[asterisk-users] mISDN Vs Dahdi

[Gopal krishnan]

Hi Tamer,

Many thanks for your comments, really your comments are useful. And finally
I think using dahdi instead of mISDN is better.

On Wed, Sep 21, 2011 at 3:10 AM, Tamer Higazi <th982a at googlemail.com> wrote:

> Am 20.09.2011 19:47, schrieb Gopal krishnan:
> > What is the difference between using mISDN for BRI and using Dahdi
>
> mISDN was at 1st done for ISDN Services and channel driver as I know. It
> supported like call routing (switch based, not your side on the pbx level).
>
>
> > without mISDN?
>
> you can use DAHDI without ISDN, for other related telephony interfaces.
> Like analogue cards. and if there are other telephony hardware
> interfaces that has nothing common todo you can use it too.
>
> and genereal:
> DAHDI is the native digium hardware telephony interface. Beside mISDN
> you have the native support for an echo cancellor you could use.
>
>
>
> for example: oslec or the hpec (high performance echo cancellor) which
> you can't make use of it natively with mISDN.
>
>
>
> As long you have no hardware interface boards as PCI modules, and you
> connect only throug the network to your enddevices, there is no need to
> startup dahdi at all.
>
> end beside: dahdi is an extra service that starts up, mISDN is a channel
> driver you must activate in the modules.conf.
>
>
> Are all your question answered that far?!
>
> >
> > Regards
> >
> >
> Tamer
>
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