[Asterisk-Dev] libpri ISDN features

[Andrew Kohlsmith]

On November 24, 2004 03:36 pm, Aaron S. Joyner wrote:
> If you register with the ITU's website, you can obtain 3 free ITU
> specifications at no charge.  I discovered this when I was looking for
> exactly the same Q.931 spec.  Since the registration is pretty painless,
> it's a good way to acquire a free copy of the spec for educational /
> open source use.

I found the ITU's documents completely and totally worthless.  There was *no* 
actual protocol layout, just highlevel hand-waving in all the documents I 
downloaded.

I found MUCH better info (along with bit-level descriptons) on the CAPI 
website.

-A.