<snip>
On Jan 23, 2008 3:11 PM, Ingmar Schraub <[EMAIL PROTECTED]> wrote:
> Fred wrote:
> > I don't know the %, but the vast majority of standard PBX (ie. not IP
> PBXs
> > using regular PC parts) are connected to the phone network with ISDN.
> It's
> > pretty hard to find a PBX that supports analog lines. But then, ISDN
> lines
> > are of a better quality and offer additional services, so it's worth it
> for
> > companies.
>
> Here you have to differentiate between ISDN PRI and ISDN BRI lines. The
> mISDN module supports ISDN BRI while libpri/zaptel is supporting ISDN PRI.
>
> Small companies have a bunch of BRI lines (2 voice-channels per BRI).
> Medium size / bigger companies are using PRIs. You have up to 30/31
> channels per PRI.
Euro ISDN = 23+1 Channels
>
>
> Now, mISDN is patched against oslec. If you run mISDN from trunk, you
> get automatically oslec. No need to select the oslec package separately.
>
> I don't know if the oslec package which is available for Zaptel is also
> enhancing PRI calls. No idea, I have no test environment for this.
I'm using Zaptel + OSLEC for Analogue so i cannot confirm neither.
>
>
> Furthermore, there is a 'competitor' of mISDN which is called bristuff.
> Bristuff is set of patches against zaptel. The pro is, you don't need
> chan_misdn in Asterisk, but only zaptel. The con is, that it's a messy
> patchset. What's better? What provides the better quality? Well, check
> out the millions of discussions and battles on the internet about this
> subject. There is no clear winner! I integrated mISDN because it is
> totally independent from what can happen to Asterisk/Zaptel. If you
> upgrade/downgrade zaptel, your ISDN (BRI!) configuration is not touched.
> If you use bristuff, you must have the proper patches (plus some
> supplemental patches) for Zaptel. Easy up-/downgrading of Zaptel is not
> guaranteed and often not possible.
>
> To end this, if someone is keen on getting bristuff ISDN into Astlinux,
> it is doable, but I have no resources available myself to maintain this
> patchset.
>
> Let me know if someone has further questions on this subject.
>
> cheers, Ingmar
>
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