[Asterisk-Users] Can DPNSS be developed in S/w like libpri ?

[Steve Underwood]

Shahed wrote:

> Hi All,
>
> I dont know too much about the technical specs on DPNSS, but can
> support for it be developed in software, like libpri ?
>
> I guess what I am asking is, if DPNSS is just another
> signalling protocol, I suppose it can be built using software,
> as a layer over zaptel  using a digium digital E1 card.
>
> Unless, there is something about the physical nature of the
> signalling, that would require different hardware ??
>
> If its possible, has anyone thought about how to go about doing it ?

DPNSS runs over a D channel, just like most other ISDN related 
signalling protocols. However, DPNSS is a UK only protocol. It might be 
hard to get anyone outside the UK to take any interest in it.

Steve