[asterisk-users] Which policy for ISDN BRI support in NT/PtMP ?

[Olivier]

2009/1/24 Matthew Fredrickson <creslin at digium.com>

> Olivier wrote:
> > Hi,
> >
> > As you may know, these ISDN BRI features are very important here in
> > Europe as ISDN Basic Rate Access is very popular among Small & Medium
> > Entreprises.
> > I don't really know why but it seems that in many countries, default is
> > to install small PBX using Point-to-Multipoint (PtMP) mode as opposed to
> > Point-to-Point (PtP) which is the norm for PRI.
> >
> > So basically, in several countries, SME are equipped today with PBX
> > connected with TE/PtMP interfaces to telco BRI lines.
> > When we address those SME, my opinion is that it's very useful to be
> > able to support any combination of TE/NT, PtP/PtMP modes.
> >
> > Latest 1.6 Asterisk and 1.4.8 Libpri introduced a new set of welcomed
> > ISDN BRI features.
> > Unfortunately, NT/PtMP is not available at this time, in latest
> > Zaptel/Asterisk/Libpri.
> >
> > My question is "what is the policy concerning NT/PtMP ?"
> > Is it really hard to extend Libpri to support this mode ?
> > Or shall mISDN remain the way to go when NT/PtMP is needed ?
>
> Hey Olivier,
>
> I actually was the one that did a lot the work in adding the BRI support
> to libpri/chan_dahdi.


I know how  much we owe you for BRI support and lipri in general and I
really thank you for that.

>
>
> NT PTMP is very significantly different, in that you have to do much
> more from a TEI management perspective.
>
> Most people's needs that I saw were actually fulfilled in using either
> NT or TE PTP or TE PTMP, since they were interfacing with PBXs or using
> TE-PTMP trunks from the telephone network to provide voice trunks for
> Asterisk.