[asterisk-users] mISDN Vs Dahdi

[Gopal krishnan]

Ok Thank you Tamer.

On Wed, Sep 21, 2011 at 4:32 PM, Tamer Higazi <th982a at googlemail.com> wrote:

> Be sure, if you make us of HFC Boards that you have the zapfhfc patches.
> There is some work for you to accomplish, like patching dahdi to make
> use with the cheap isdn boards.
>
> For office using ISDN Devices it's fairly enough. If you want to make
> use of a server, I advise you to take the digium or sangoma boards,
> because of the native support for asterisk.
>
> If you don't love patching and searching to get what in the internet,
> take Gentoo Linux. All included (don't use dahdi 1.5.x, still not
> working on gentoo).
>
>
>
> Tamer
>
> Am 21.09.2011 12:43, schrieb 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
> > <mailto: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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