[Asterisk-Dev] libpri ISDN features
Paul Cadach
paul at odt.east.telecom.kz
Wed Nov 24 20:56:15 MST 2004
Hello,
Andrew Kohlsmith wrote:
> 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.
Andrew, you are wrong a bit. ITU's specifications just describes how things MUST work but without relation to any sort
of implementation like CAPI is (CAPI is API, i.e. it describes way to implement/support ITU's/ETSI's/etc.
specifications).
I dislike ITU's specs because they are very cross-linked (for example, support for some sort of supplementary services
described on Q.95x and relies on Q.932, X.219, X.208, etc. and this list is very, VERY long)...
WBR,
Paul.
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